diff --git a/docs/data/calendar.ics b/docs/data/calendar.ics
index f1c0a8840794018087a7a53c3b900869d7bf6d53..c1ea379db43de22be8d27a489c6394bc310ef9a7 100644
--- a/docs/data/calendar.ics
+++ b/docs/data/calendar.ics
@@ -20,29 +20,6 @@ END:DAYLIGHT
 END:VTIMEZONE
 BEGIN:VEVENT
 DESCRIPTION:\n
-UID:040000008200E00074C5B7101A82E008000000000015F6CB91A2D901000000000000000
- 010000000F16F0369EBE3E948B798BA29A19808F5
-SUMMARY:Nutzung extern Seminarraum
-DTSTART;TZID=W. Europe Standard Time:20230605T140000
-DTEND;TZID=W. Europe Standard Time:20230605T180000
-CLASS:PUBLIC
-PRIORITY:5
-DTSTAMP:20230905T180338Z
-TRANSP:OPAQUE
-STATUS:CONFIRMED
-SEQUENCE:0
-LOCATION:
-X-MICROSOFT-CDO-APPT-SEQUENCE:0
-X-MICROSOFT-CDO-BUSYSTATUS:BUSY
-X-MICROSOFT-CDO-INTENDEDSTATUS:BUSY
-X-MICROSOFT-CDO-ALLDAYEVENT:FALSE
-X-MICROSOFT-CDO-IMPORTANCE:1
-X-MICROSOFT-CDO-INSTTYPE:0
-X-MICROSOFT-DONOTFORWARDMEETING:FALSE
-X-MICROSOFT-DISALLOW-COUNTER:FALSE
-END:VEVENT
-BEGIN:VEVENT
-DESCRIPTION:\n
 UID:040000008200E00074C5B7101A82E00800000000806601DB91A2D901000000000000000
  01000000050C3E7B1D1D27049B8720A3B4EE04E2A
 SUMMARY:Nutzung 3 D Druck und 3D-Scan
@@ -50,7 +27,7 @@ DTSTART;TZID=W. Europe Standard Time:20230606T090000
 DTEND;TZID=W. Europe Standard Time:20230606T170000
 CLASS:PUBLIC
 PRIORITY:5
-DTSTAMP:20230905T180338Z
+DTSTAMP:20230906T180331Z
 TRANSP:OPAQUE
 STATUS:CONFIRMED
 SEQUENCE:0
@@ -73,7 +50,7 @@ DTSTART;TZID=W. Europe Standard Time:20230606T100000
 DTEND;TZID=W. Europe Standard Time:20230606T160000
 CLASS:PUBLIC
 PRIORITY:5
-DTSTAMP:20230905T180338Z
+DTSTAMP:20230906T180331Z
 TRANSP:OPAQUE
 STATUS:CONFIRMED
 SEQUENCE:0
@@ -99,7 +76,7 @@ DTSTART;TZID=W. Europe Standard Time:20230606T103000
 DTEND;TZID=W. Europe Standard Time:20230606T111500
 CLASS:PUBLIC
 PRIORITY:5
-DTSTAMP:20230905T180338Z
+DTSTAMP:20230906T180331Z
 TRANSP:TRANSPARENT
 STATUS:CONFIRMED
 SEQUENCE:0
@@ -122,7 +99,7 @@ DTSTART;TZID=W. Europe Standard Time:20230606T103000
 DTEND;TZID=W. Europe Standard Time:20230606T130000
 CLASS:PUBLIC
 PRIORITY:5
-DTSTAMP:20230905T180338Z
+DTSTAMP:20230906T180331Z
 TRANSP:OPAQUE
 STATUS:CONFIRMED
 SEQUENCE:0
@@ -145,7 +122,7 @@ DTSTART;TZID=W. Europe Standard Time:20230606T113000
 DTEND;TZID=W. Europe Standard Time:20230606T130000
 CLASS:PUBLIC
 PRIORITY:5
-DTSTAMP:20230905T180338Z
+DTSTAMP:20230906T180331Z
 TRANSP:OPAQUE
 STATUS:CONFIRMED
 SEQUENCE:0
@@ -168,7 +145,7 @@ DTSTART;TZID=W. Europe Standard Time:20230606T123000
 DTEND;TZID=W. Europe Standard Time:20230606T150000
 CLASS:PUBLIC
 PRIORITY:5
-DTSTAMP:20230905T180338Z
+DTSTAMP:20230906T180331Z
 TRANSP:OPAQUE
 STATUS:CONFIRMED
 SEQUENCE:0
@@ -191,7 +168,7 @@ DTSTART;TZID=W. Europe Standard Time:20230606T143000
 DTEND;TZID=W. Europe Standard Time:20230606T153000
 CLASS:PUBLIC
 PRIORITY:5
-DTSTAMP:20230905T180338Z
+DTSTAMP:20230906T180331Z
 TRANSP:OPAQUE
 STATUS:CONFIRMED
 SEQUENCE:0
@@ -214,7 +191,7 @@ DTSTART;TZID=W. Europe Standard Time:20230612T080000
 DTEND;TZID=W. Europe Standard Time:20230612T170000
 CLASS:PUBLIC
 PRIORITY:5
-DTSTAMP:20230905T180338Z
+DTSTAMP:20230906T180331Z
 TRANSP:OPAQUE
 STATUS:CONFIRMED
 SEQUENCE:0
@@ -237,7 +214,7 @@ DTSTART;TZID=W. Europe Standard Time:20230613T100000
 DTEND;TZID=W. Europe Standard Time:20230613T160000
 CLASS:PUBLIC
 PRIORITY:5
-DTSTAMP:20230905T180338Z
+DTSTAMP:20230906T180331Z
 TRANSP:OPAQUE
 STATUS:CONFIRMED
 SEQUENCE:0
@@ -260,7 +237,7 @@ DTSTART;TZID=W. Europe Standard Time:20230613T100000
 DTEND;TZID=W. Europe Standard Time:20230613T110000
 CLASS:PUBLIC
 PRIORITY:5
-DTSTAMP:20230905T180338Z
+DTSTAMP:20230906T180331Z
 TRANSP:OPAQUE
 STATUS:CONFIRMED
 SEQUENCE:0
@@ -283,7 +260,7 @@ DTSTART;TZID=W. Europe Standard Time:20230613T100000
 DTEND;TZID=W. Europe Standard Time:20230613T123000
 CLASS:PUBLIC
 PRIORITY:5
-DTSTAMP:20230905T180338Z
+DTSTAMP:20230906T180331Z
 TRANSP:OPAQUE
 STATUS:CONFIRMED
 SEQUENCE:0
@@ -306,7 +283,7 @@ DTSTART;TZID=W. Europe Standard Time:20230613T113000
 DTEND;TZID=W. Europe Standard Time:20230613T123000
 CLASS:PUBLIC
 PRIORITY:5
-DTSTAMP:20230905T180338Z
+DTSTAMP:20230906T180331Z
 TRANSP:OPAQUE
 STATUS:CONFIRMED
 SEQUENCE:0
@@ -329,7 +306,7 @@ DTSTART;TZID=W. Europe Standard Time:20230613T123000
 DTEND;TZID=W. Europe Standard Time:20230613T153000
 CLASS:PUBLIC
 PRIORITY:5
-DTSTAMP:20230905T180338Z
+DTSTAMP:20230906T180331Z
 TRANSP:OPAQUE
 STATUS:CONFIRMED
 SEQUENCE:0
@@ -352,7 +329,7 @@ DTSTART;TZID=W. Europe Standard Time:20230614T090000
 DTEND;TZID=W. Europe Standard Time:20230614T170000
 CLASS:PUBLIC
 PRIORITY:5
-DTSTAMP:20230905T180338Z
+DTSTAMP:20230906T180331Z
 TRANSP:OPAQUE
 STATUS:CONFIRMED
 SEQUENCE:0
@@ -368,14 +345,14 @@ X-MICROSOFT-DISALLOW-COUNTER:FALSE
 END:VEVENT
 BEGIN:VEVENT
 DESCRIPTION:\n
-UID:040000008200E00074C5B7101A82E00800000000307F97A293A2D901000000000000000
- 010000000CED50913C41D414ABFB87789230B5258
-SUMMARY:Nutzung extern Co-Working-Bereich
+UID:040000008200E00074C5B7101A82E008000000008074BA9493A2D901000000000000000
+ 010000000626014CB23E32D47A65434D72C51C762
+SUMMARY:Mobiler Makerspace auf dem Campus Nachhaltigkeitsflohmarkt
 DTSTART;TZID=W. Europe Standard Time:20230615T090000
-DTEND;TZID=W. Europe Standard Time:20230615T160000
+DTEND;TZID=W. Europe Standard Time:20230615T180000
 CLASS:PUBLIC
 PRIORITY:5
-DTSTAMP:20230905T180338Z
+DTSTAMP:20230906T180331Z
 TRANSP:OPAQUE
 STATUS:CONFIRMED
 SEQUENCE:0
@@ -391,14 +368,14 @@ X-MICROSOFT-DISALLOW-COUNTER:FALSE
 END:VEVENT
 BEGIN:VEVENT
 DESCRIPTION:\n
-UID:040000008200E00074C5B7101A82E008000000008074BA9493A2D901000000000000000
- 010000000626014CB23E32D47A65434D72C51C762
-SUMMARY:Mobiler Makerspace auf dem Campus Nachhaltigkeitsflohmarkt
+UID:040000008200E00074C5B7101A82E00800000000307F97A293A2D901000000000000000
+ 010000000CED50913C41D414ABFB87789230B5258
+SUMMARY:Nutzung extern Co-Working-Bereich
 DTSTART;TZID=W. Europe Standard Time:20230615T090000
-DTEND;TZID=W. Europe Standard Time:20230615T180000
+DTEND;TZID=W. Europe Standard Time:20230615T160000
 CLASS:PUBLIC
 PRIORITY:5
-DTSTAMP:20230905T180338Z
+DTSTAMP:20230906T180331Z
 TRANSP:OPAQUE
 STATUS:CONFIRMED
 SEQUENCE:0
@@ -421,7 +398,7 @@ DTSTART;TZID=W. Europe Standard Time:20230615T100000
 DTEND;TZID=W. Europe Standard Time:20230615T143000
 CLASS:PUBLIC
 PRIORITY:5
-DTSTAMP:20230905T180338Z
+DTSTAMP:20230906T180331Z
 TRANSP:OPAQUE
 STATUS:CONFIRMED
 SEQUENCE:0
@@ -445,7 +422,7 @@ DTSTART;TZID=W. Europe Standard Time:20230615T103000
 DTEND;TZID=W. Europe Standard Time:20230615T111500
 CLASS:PUBLIC
 PRIORITY:5
-DTSTAMP:20230905T180338Z
+DTSTAMP:20230906T180331Z
 TRANSP:TRANSPARENT
 STATUS:CONFIRMED
 SEQUENCE:0
@@ -468,7 +445,7 @@ DTSTART;TZID=W. Europe Standard Time:20230615T133000
 DTEND;TZID=W. Europe Standard Time:20230615T153000
 CLASS:PUBLIC
 PRIORITY:5
-DTSTAMP:20230905T180338Z
+DTSTAMP:20230906T180331Z
 TRANSP:OPAQUE
 STATUS:CONFIRMED
 SEQUENCE:0
@@ -491,7 +468,7 @@ DTSTART;TZID=W. Europe Standard Time:20230617T100000
 DTEND;TZID=W. Europe Standard Time:20230617T170000
 CLASS:PUBLIC
 PRIORITY:5
-DTSTAMP:20230905T180338Z
+DTSTAMP:20230906T180331Z
 TRANSP:OPAQUE
 STATUS:CONFIRMED
 SEQUENCE:0
@@ -514,7 +491,7 @@ DTSTART;TZID=W. Europe Standard Time:20230619T110000
 DTEND;TZID=W. Europe Standard Time:20230619T120000
 CLASS:PUBLIC
 PRIORITY:5
-DTSTAMP:20230905T180338Z
+DTSTAMP:20230906T180331Z
 TRANSP:OPAQUE
 STATUS:CONFIRMED
 SEQUENCE:0
@@ -537,7 +514,7 @@ DTSTART;TZID=W. Europe Standard Time:20230620T100000
 DTEND;TZID=W. Europe Standard Time:20230620T160000
 CLASS:PUBLIC
 PRIORITY:5
-DTSTAMP:20230905T180338Z
+DTSTAMP:20230906T180331Z
 TRANSP:OPAQUE
 STATUS:CONFIRMED
 SEQUENCE:0
@@ -560,7 +537,7 @@ DTSTART;TZID=W. Europe Standard Time:20230621T080000
 DTEND;TZID=W. Europe Standard Time:20230621T160000
 CLASS:PUBLIC
 PRIORITY:5
-DTSTAMP:20230905T180338Z
+DTSTAMP:20230906T180331Z
 TRANSP:OPAQUE
 STATUS:CONFIRMED
 SEQUENCE:0
@@ -583,7 +560,7 @@ DTSTART;TZID=W. Europe Standard Time:20230621T133000
 DTEND;TZID=W. Europe Standard Time:20230621T170000
 CLASS:PUBLIC
 PRIORITY:5
-DTSTAMP:20230905T180338Z
+DTSTAMP:20230906T180331Z
 TRANSP:OPAQUE
 STATUS:CONFIRMED
 SEQUENCE:0
@@ -606,7 +583,7 @@ DTSTART;TZID=W. Europe Standard Time:20230622T103000
 DTEND;TZID=W. Europe Standard Time:20230622T113000
 CLASS:PUBLIC
 PRIORITY:5
-DTSTAMP:20230905T180338Z
+DTSTAMP:20230906T180331Z
 TRANSP:OPAQUE
 STATUS:CONFIRMED
 SEQUENCE:0
@@ -629,7 +606,7 @@ DTSTART;TZID=W. Europe Standard Time:20230622T113000
 DTEND;TZID=W. Europe Standard Time:20230622T130000
 CLASS:PUBLIC
 PRIORITY:5
-DTSTAMP:20230905T180338Z
+DTSTAMP:20230906T180331Z
 TRANSP:OPAQUE
 STATUS:CONFIRMED
 SEQUENCE:0
@@ -652,7 +629,7 @@ DTSTART;TZID=W. Europe Standard Time:20230622T120000
 DTEND;TZID=W. Europe Standard Time:20230622T160000
 CLASS:PUBLIC
 PRIORITY:5
-DTSTAMP:20230905T180338Z
+DTSTAMP:20230906T180331Z
 TRANSP:OPAQUE
 STATUS:CONFIRMED
 SEQUENCE:0
@@ -668,14 +645,14 @@ X-MICROSOFT-DISALLOW-COUNTER:FALSE
 END:VEVENT
 BEGIN:VEVENT
 DESCRIPTION:\n
-UID:040000008200E00074C5B7101A82E008000000001079911E94A2D901000000000000000
- 010000000F1CD608B8038F949A3EFBE2BD58CC321
-SUMMARY:Unterweisung 3 D Scanner
+UID:040000008200E00074C5B7101A82E008000000006003A42794A2D901000000000000000
+ 0100000000B92C0D66B14A0489CA90F77D1BC3C12
+SUMMARY:Nutzung Lasercutter
 DTSTART;TZID=W. Europe Standard Time:20230622T130000
 DTEND;TZID=W. Europe Standard Time:20230622T160000
 CLASS:PUBLIC
 PRIORITY:5
-DTSTAMP:20230905T180338Z
+DTSTAMP:20230906T180331Z
 TRANSP:OPAQUE
 STATUS:CONFIRMED
 SEQUENCE:0
@@ -691,14 +668,14 @@ X-MICROSOFT-DISALLOW-COUNTER:FALSE
 END:VEVENT
 BEGIN:VEVENT
 DESCRIPTION:\n
-UID:040000008200E00074C5B7101A82E008000000006003A42794A2D901000000000000000
- 0100000000B92C0D66B14A0489CA90F77D1BC3C12
-SUMMARY:Nutzung Lasercutter
+UID:040000008200E00074C5B7101A82E008000000001079911E94A2D901000000000000000
+ 010000000F1CD608B8038F949A3EFBE2BD58CC321
+SUMMARY:Unterweisung 3 D Scanner
 DTSTART;TZID=W. Europe Standard Time:20230622T130000
 DTEND;TZID=W. Europe Standard Time:20230622T160000
 CLASS:PUBLIC
 PRIORITY:5
-DTSTAMP:20230905T180338Z
+DTSTAMP:20230906T180331Z
 TRANSP:OPAQUE
 STATUS:CONFIRMED
 SEQUENCE:0
@@ -721,7 +698,7 @@ DTSTART;TZID=W. Europe Standard Time:20230626T160000
 DTEND;TZID=W. Europe Standard Time:20230626T190000
 CLASS:PUBLIC
 PRIORITY:5
-DTSTAMP:20230905T180338Z
+DTSTAMP:20230906T180331Z
 TRANSP:OPAQUE
 STATUS:CONFIRMED
 SEQUENCE:0
@@ -744,7 +721,7 @@ DTSTART;TZID=W. Europe Standard Time:20230627T100000
 DTEND;TZID=W. Europe Standard Time:20230627T110000
 CLASS:PUBLIC
 PRIORITY:5
-DTSTAMP:20230905T180338Z
+DTSTAMP:20230906T180331Z
 TRANSP:OPAQUE
 STATUS:CONFIRMED
 SEQUENCE:0
@@ -767,7 +744,7 @@ DTSTART;TZID=W. Europe Standard Time:20230627T100000
 DTEND;TZID=W. Europe Standard Time:20230627T160000
 CLASS:PUBLIC
 PRIORITY:5
-DTSTAMP:20230905T180338Z
+DTSTAMP:20230906T180331Z
 TRANSP:OPAQUE
 STATUS:CONFIRMED
 SEQUENCE:0
@@ -790,7 +767,7 @@ DTSTART;TZID=W. Europe Standard Time:20230627T123000
 DTEND;TZID=W. Europe Standard Time:20230627T143000
 CLASS:PUBLIC
 PRIORITY:5
-DTSTAMP:20230905T180338Z
+DTSTAMP:20230906T180331Z
 TRANSP:OPAQUE
 STATUS:CONFIRMED
 SEQUENCE:0
@@ -813,7 +790,7 @@ DTSTART;TZID=W. Europe Standard Time:20230628T100000
 DTEND;TZID=W. Europe Standard Time:20230628T170000
 CLASS:PUBLIC
 PRIORITY:5
-DTSTAMP:20230905T180338Z
+DTSTAMP:20230906T180331Z
 TRANSP:OPAQUE
 STATUS:CONFIRMED
 SEQUENCE:0
@@ -836,7 +813,7 @@ DTSTART;TZID=W. Europe Standard Time:20230628T110000
 DTEND;TZID=W. Europe Standard Time:20230628T170000
 CLASS:PUBLIC
 PRIORITY:5
-DTSTAMP:20230905T180338Z
+DTSTAMP:20230906T180331Z
 TRANSP:OPAQUE
 STATUS:CONFIRMED
 SEQUENCE:0
@@ -859,7 +836,7 @@ DTSTART;TZID=W. Europe Standard Time:20230629T110000
 DTEND;TZID=W. Europe Standard Time:20230629T143000
 CLASS:PUBLIC
 PRIORITY:5
-DTSTAMP:20230905T180338Z
+DTSTAMP:20230906T180331Z
 TRANSP:OPAQUE
 STATUS:CONFIRMED
 SEQUENCE:0
@@ -882,7 +859,7 @@ DTSTART;TZID=W. Europe Standard Time:20230629T113000
 DTEND;TZID=W. Europe Standard Time:20230629T133000
 CLASS:PUBLIC
 PRIORITY:5
-DTSTAMP:20230905T180338Z
+DTSTAMP:20230906T180331Z
 TRANSP:OPAQUE
 STATUS:CONFIRMED
 SEQUENCE:0
@@ -905,7 +882,7 @@ DTSTART;TZID=W. Europe Standard Time:20230629T133000
 DTEND;TZID=W. Europe Standard Time:20230629T150000
 CLASS:PUBLIC
 PRIORITY:5
-DTSTAMP:20230905T180338Z
+DTSTAMP:20230906T180331Z
 TRANSP:OPAQUE
 STATUS:CONFIRMED
 SEQUENCE:0
@@ -928,7 +905,7 @@ DTSTART;TZID=W. Europe Standard Time:20230704T113000
 DTEND;TZID=W. Europe Standard Time:20230704T130000
 CLASS:PUBLIC
 PRIORITY:5
-DTSTAMP:20230905T180338Z
+DTSTAMP:20230906T180331Z
 TRANSP:OPAQUE
 STATUS:CONFIRMED
 SEQUENCE:0
@@ -951,7 +928,7 @@ DTSTART;TZID=W. Europe Standard Time:20230705T110000
 DTEND;TZID=W. Europe Standard Time:20230705T170000
 CLASS:PUBLIC
 PRIORITY:5
-DTSTAMP:20230905T180338Z
+DTSTAMP:20230906T180331Z
 TRANSP:OPAQUE
 STATUS:CONFIRMED
 SEQUENCE:0
@@ -974,7 +951,7 @@ DTSTART;TZID=W. Europe Standard Time:20230706T120000
 DTEND;TZID=W. Europe Standard Time:20230706T130000
 CLASS:PUBLIC
 PRIORITY:5
-DTSTAMP:20230905T180338Z
+DTSTAMP:20230906T180331Z
 TRANSP:OPAQUE
 STATUS:CONFIRMED
 SEQUENCE:0
@@ -997,7 +974,7 @@ DTSTART;TZID=W. Europe Standard Time:20230708T100000
 DTEND;TZID=W. Europe Standard Time:20230708T170000
 CLASS:PUBLIC
 PRIORITY:5
-DTSTAMP:20230905T180338Z
+DTSTAMP:20230906T180331Z
 TRANSP:OPAQUE
 STATUS:CONFIRMED
 SEQUENCE:0
@@ -1021,7 +998,7 @@ DTSTART;TZID=W. Europe Standard Time:20230713T140000
 DTEND;TZID=W. Europe Standard Time:20230713T200000
 CLASS:PUBLIC
 PRIORITY:5
-DTSTAMP:20230905T180338Z
+DTSTAMP:20230906T180331Z
 TRANSP:OPAQUE
 STATUS:CONFIRMED
 SEQUENCE:3
@@ -1045,7 +1022,7 @@ DTSTART;TZID=W. Europe Standard Time:20230718T100000
 DTEND;TZID=W. Europe Standard Time:20230718T160000
 CLASS:PUBLIC
 PRIORITY:5
-DTSTAMP:20230905T180338Z
+DTSTAMP:20230906T180331Z
 TRANSP:OPAQUE
 STATUS:CONFIRMED
 SEQUENCE:2
@@ -1068,7 +1045,7 @@ DTSTART;TZID=W. Europe Standard Time:20230808T123000
 DTEND;TZID=W. Europe Standard Time:20230808T143000
 CLASS:PUBLIC
 PRIORITY:5
-DTSTAMP:20230905T180338Z
+DTSTAMP:20230906T180331Z
 TRANSP:OPAQUE
 STATUS:CONFIRMED
 SEQUENCE:0
@@ -1089,7 +1066,7 @@ DTSTART;VALUE=DATE:20230810
 DTEND;VALUE=DATE:20230818
 CLASS:PUBLIC
 PRIORITY:5
-DTSTAMP:20230905T180338Z
+DTSTAMP:20230906T180331Z
 TRANSP:TRANSPARENT
 STATUS:CONFIRMED
 SEQUENCE:0
@@ -1112,7 +1089,7 @@ DTSTART;TZID=W. Europe Standard Time:20230810T143000
 DTEND;TZID=W. Europe Standard Time:20230810T151500
 CLASS:PUBLIC
 PRIORITY:5
-DTSTAMP:20230905T180338Z
+DTSTAMP:20230906T180331Z
 TRANSP:TRANSPARENT
 STATUS:CONFIRMED
 SEQUENCE:0
@@ -1135,7 +1112,7 @@ DTSTART;TZID=W. Europe Standard Time:20230815T113000
 DTEND;TZID=W. Europe Standard Time:20230815T130000
 CLASS:PUBLIC
 PRIORITY:5
-DTSTAMP:20230905T180338Z
+DTSTAMP:20230906T180331Z
 TRANSP:TRANSPARENT
 STATUS:CONFIRMED
 SEQUENCE:0
@@ -1158,7 +1135,7 @@ DTSTART;TZID=W. Europe Standard Time:20230815T130000
 DTEND;TZID=W. Europe Standard Time:20230815T150000
 CLASS:PUBLIC
 PRIORITY:5
-DTSTAMP:20230905T180338Z
+DTSTAMP:20230906T180331Z
 TRANSP:TRANSPARENT
 STATUS:CONFIRMED
 SEQUENCE:0
@@ -1182,7 +1159,7 @@ DTSTART;TZID=W. Europe Standard Time:20230829T100000
 DTEND;TZID=W. Europe Standard Time:20230829T160000
 CLASS:PUBLIC
 PRIORITY:5
-DTSTAMP:20230905T180338Z
+DTSTAMP:20230906T180331Z
 TRANSP:OPAQUE
 STATUS:CONFIRMED
 SEQUENCE:0
@@ -1206,7 +1183,7 @@ DTSTART;TZID=W. Europe Standard Time:20230829T100000
 DTEND;TZID=W. Europe Standard Time:20230829T160000
 CLASS:PUBLIC
 PRIORITY:5
-DTSTAMP:20230905T180338Z
+DTSTAMP:20230906T180331Z
 TRANSP:OPAQUE
 STATUS:CONFIRMED
 SEQUENCE:0
@@ -1232,7 +1209,7 @@ DTSTART;TZID=W. Europe Standard Time:20230831T100000
 DTEND;TZID=W. Europe Standard Time:20230831T160000
 CLASS:PUBLIC
 PRIORITY:5
-DTSTAMP:20230905T180338Z
+DTSTAMP:20230906T180331Z
 TRANSP:OPAQUE
 STATUS:CONFIRMED
 SEQUENCE:0
@@ -1256,7 +1233,7 @@ DTSTART;TZID=W. Europe Standard Time:20230905T100000
 DTEND;TZID=W. Europe Standard Time:20230905T160000
 CLASS:PUBLIC
 PRIORITY:5
-DTSTAMP:20230905T180338Z
+DTSTAMP:20230906T180331Z
 TRANSP:OPAQUE
 STATUS:CONFIRMED
 SEQUENCE:0
@@ -1279,7 +1256,7 @@ DTSTART;TZID=W. Europe Standard Time:20230905T123000
 DTEND;TZID=W. Europe Standard Time:20230905T143000
 CLASS:PUBLIC
 PRIORITY:5
-DTSTAMP:20230905T180338Z
+DTSTAMP:20230906T180331Z
 TRANSP:OPAQUE
 STATUS:CONFIRMED
 SEQUENCE:0
@@ -1303,7 +1280,7 @@ DTSTART;TZID=W. Europe Standard Time:20230912T100000
 DTEND;TZID=W. Europe Standard Time:20230912T160000
 CLASS:PUBLIC
 PRIORITY:5
-DTSTAMP:20230905T180338Z
+DTSTAMP:20230906T180331Z
 TRANSP:OPAQUE
 STATUS:CONFIRMED
 SEQUENCE:0
@@ -1329,7 +1306,7 @@ DTSTART;TZID=W. Europe Standard Time:20230914T113000
 DTEND;TZID=W. Europe Standard Time:20230914T140000
 CLASS:PUBLIC
 PRIORITY:5
-DTSTAMP:20230905T180338Z
+DTSTAMP:20230906T180331Z
 TRANSP:OPAQUE
 STATUS:CONFIRMED
 SEQUENCE:0
@@ -1355,7 +1332,7 @@ DTSTART;TZID=W. Europe Standard Time:20230914T170000
 DTEND;TZID=W. Europe Standard Time:20230914T193000
 CLASS:PUBLIC
 PRIORITY:5
-DTSTAMP:20230905T180338Z
+DTSTAMP:20230906T180331Z
 TRANSP:OPAQUE
 STATUS:CONFIRMED
 SEQUENCE:3
@@ -1376,7 +1353,7 @@ DTSTART;TZID=W. Europe Standard Time:20230914T173000
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-DTSTAMP:20230905T180338Z
+DTSTAMP:20230906T180331Z
 TRANSP:OPAQUE
 STATUS:CONFIRMED
 SEQUENCE:0
@@ -1400,7 +1377,7 @@ DTSTART;TZID=W. Europe Standard Time:20230919T113000
 DTEND;TZID=W. Europe Standard Time:20230919T123000
 CLASS:PUBLIC
 PRIORITY:5
-DTSTAMP:20230905T180338Z
+DTSTAMP:20230906T180331Z
 TRANSP:OPAQUE
 STATUS:CONFIRMED
 SEQUENCE:0
@@ -1426,7 +1403,7 @@ DTSTART;TZID=W. Europe Standard Time:20231012T170000
 DTEND;TZID=W. Europe Standard Time:20231012T193000
 CLASS:PUBLIC
 PRIORITY:5
-DTSTAMP:20230905T180338Z
+DTSTAMP:20230906T180331Z
 TRANSP:OPAQUE
 STATUS:CONFIRMED
 SEQUENCE:1
@@ -1452,7 +1429,7 @@ DTSTART;TZID=W. Europe Standard Time:20231109T170000
 DTEND;TZID=W. Europe Standard Time:20231109T193000
 CLASS:PUBLIC
 PRIORITY:5
-DTSTAMP:20230905T180338Z
+DTSTAMP:20230906T180331Z
 TRANSP:OPAQUE
 STATUS:CONFIRMED
 SEQUENCE:2
@@ -1478,7 +1455,7 @@ DTSTART;TZID=W. Europe Standard Time:20231214T170000
 DTEND;TZID=W. Europe Standard Time:20231214T193000
 CLASS:PUBLIC
 PRIORITY:5
-DTSTAMP:20230905T180338Z
+DTSTAMP:20230906T180331Z
 TRANSP:OPAQUE
 STATUS:CONFIRMED
 SEQUENCE:4
@@ -1504,7 +1481,7 @@ DTSTART;TZID=W. Europe Standard Time:20240111T170000
 DTEND;TZID=W. Europe Standard Time:20240111T193000
 CLASS:PUBLIC
 PRIORITY:5
-DTSTAMP:20230905T180338Z
+DTSTAMP:20230906T180331Z
 TRANSP:OPAQUE
 STATUS:CONFIRMED
 SEQUENCE:5
@@ -1530,7 +1507,7 @@ DTSTART;TZID=W. Europe Standard Time:20240208T170000
 DTEND;TZID=W. Europe Standard Time:20240208T193000
 CLASS:PUBLIC
 PRIORITY:5
-DTSTAMP:20230905T180338Z
+DTSTAMP:20230906T180331Z
 TRANSP:OPAQUE
 STATUS:CONFIRMED
 SEQUENCE:6
@@ -1556,7 +1533,7 @@ DTSTART;TZID=W. Europe Standard Time:20240314T170000
 DTEND;TZID=W. Europe Standard Time:20240314T193000
 CLASS:PUBLIC
 PRIORITY:5
-DTSTAMP:20230905T180338Z
+DTSTAMP:20230906T180331Z
 TRANSP:OPAQUE
 STATUS:CONFIRMED
 SEQUENCE:7
diff --git a/public/data/calendar.ics b/public/data/calendar.ics
index f1c0a8840794018087a7a53c3b900869d7bf6d53..c1ea379db43de22be8d27a489c6394bc310ef9a7 100644
--- a/public/data/calendar.ics
+++ b/public/data/calendar.ics
@@ -20,29 +20,6 @@ END:DAYLIGHT
 END:VTIMEZONE
 BEGIN:VEVENT
 DESCRIPTION:\n
-UID:040000008200E00074C5B7101A82E008000000000015F6CB91A2D901000000000000000
- 010000000F16F0369EBE3E948B798BA29A19808F5
-SUMMARY:Nutzung extern Seminarraum
-DTSTART;TZID=W. Europe Standard Time:20230605T140000
-DTEND;TZID=W. Europe Standard Time:20230605T180000
-CLASS:PUBLIC
-PRIORITY:5
-DTSTAMP:20230905T180338Z
-TRANSP:OPAQUE
-STATUS:CONFIRMED
-SEQUENCE:0
-LOCATION:
-X-MICROSOFT-CDO-APPT-SEQUENCE:0
-X-MICROSOFT-CDO-BUSYSTATUS:BUSY
-X-MICROSOFT-CDO-INTENDEDSTATUS:BUSY
-X-MICROSOFT-CDO-ALLDAYEVENT:FALSE
-X-MICROSOFT-CDO-IMPORTANCE:1
-X-MICROSOFT-CDO-INSTTYPE:0
-X-MICROSOFT-DONOTFORWARDMEETING:FALSE
-X-MICROSOFT-DISALLOW-COUNTER:FALSE
-END:VEVENT
-BEGIN:VEVENT
-DESCRIPTION:\n
 UID:040000008200E00074C5B7101A82E00800000000806601DB91A2D901000000000000000
  01000000050C3E7B1D1D27049B8720A3B4EE04E2A
 SUMMARY:Nutzung 3 D Druck und 3D-Scan
@@ -50,7 +27,7 @@ DTSTART;TZID=W. Europe Standard Time:20230606T090000
 DTEND;TZID=W. Europe Standard Time:20230606T170000
 CLASS:PUBLIC
 PRIORITY:5
-DTSTAMP:20230905T180338Z
+DTSTAMP:20230906T180331Z
 TRANSP:OPAQUE
 STATUS:CONFIRMED
 SEQUENCE:0
@@ -73,7 +50,7 @@ DTSTART;TZID=W. Europe Standard Time:20230606T100000
 DTEND;TZID=W. Europe Standard Time:20230606T160000
 CLASS:PUBLIC
 PRIORITY:5
-DTSTAMP:20230905T180338Z
+DTSTAMP:20230906T180331Z
 TRANSP:OPAQUE
 STATUS:CONFIRMED
 SEQUENCE:0
@@ -99,7 +76,7 @@ DTSTART;TZID=W. Europe Standard Time:20230606T103000
 DTEND;TZID=W. Europe Standard Time:20230606T111500
 CLASS:PUBLIC
 PRIORITY:5
-DTSTAMP:20230905T180338Z
+DTSTAMP:20230906T180331Z
 TRANSP:TRANSPARENT
 STATUS:CONFIRMED
 SEQUENCE:0
@@ -122,7 +99,7 @@ DTSTART;TZID=W. Europe Standard Time:20230606T103000
 DTEND;TZID=W. Europe Standard Time:20230606T130000
 CLASS:PUBLIC
 PRIORITY:5
-DTSTAMP:20230905T180338Z
+DTSTAMP:20230906T180331Z
 TRANSP:OPAQUE
 STATUS:CONFIRMED
 SEQUENCE:0
@@ -145,7 +122,7 @@ DTSTART;TZID=W. Europe Standard Time:20230606T113000
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 CLASS:PUBLIC
 PRIORITY:5
-DTSTAMP:20230905T180338Z
+DTSTAMP:20230906T180331Z
 TRANSP:OPAQUE
 STATUS:CONFIRMED
 SEQUENCE:0
@@ -168,7 +145,7 @@ DTSTART;TZID=W. Europe Standard Time:20230606T123000
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 CLASS:PUBLIC
 PRIORITY:5
-DTSTAMP:20230905T180338Z
+DTSTAMP:20230906T180331Z
 TRANSP:OPAQUE
 STATUS:CONFIRMED
 SEQUENCE:0
@@ -191,7 +168,7 @@ DTSTART;TZID=W. Europe Standard Time:20230606T143000
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 CLASS:PUBLIC
 PRIORITY:5
-DTSTAMP:20230905T180338Z
+DTSTAMP:20230906T180331Z
 TRANSP:OPAQUE
 STATUS:CONFIRMED
 SEQUENCE:0
@@ -214,7 +191,7 @@ DTSTART;TZID=W. Europe Standard Time:20230612T080000
 DTEND;TZID=W. Europe Standard Time:20230612T170000
 CLASS:PUBLIC
 PRIORITY:5
-DTSTAMP:20230905T180338Z
+DTSTAMP:20230906T180331Z
 TRANSP:OPAQUE
 STATUS:CONFIRMED
 SEQUENCE:0
@@ -237,7 +214,7 @@ DTSTART;TZID=W. Europe Standard Time:20230613T100000
 DTEND;TZID=W. Europe Standard Time:20230613T160000
 CLASS:PUBLIC
 PRIORITY:5
-DTSTAMP:20230905T180338Z
+DTSTAMP:20230906T180331Z
 TRANSP:OPAQUE
 STATUS:CONFIRMED
 SEQUENCE:0
@@ -260,7 +237,7 @@ DTSTART;TZID=W. Europe Standard Time:20230613T100000
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 CLASS:PUBLIC
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-DTSTAMP:20230905T180338Z
+DTSTAMP:20230906T180331Z
 TRANSP:OPAQUE
 STATUS:CONFIRMED
 SEQUENCE:0
@@ -283,7 +260,7 @@ DTSTART;TZID=W. Europe Standard Time:20230613T100000
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 CLASS:PUBLIC
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-DTSTAMP:20230905T180338Z
+DTSTAMP:20230906T180331Z
 TRANSP:OPAQUE
 STATUS:CONFIRMED
 SEQUENCE:0
@@ -306,7 +283,7 @@ DTSTART;TZID=W. Europe Standard Time:20230613T113000
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 CLASS:PUBLIC
 PRIORITY:5
-DTSTAMP:20230905T180338Z
+DTSTAMP:20230906T180331Z
 TRANSP:OPAQUE
 STATUS:CONFIRMED
 SEQUENCE:0
@@ -329,7 +306,7 @@ DTSTART;TZID=W. Europe Standard Time:20230613T123000
 DTEND;TZID=W. Europe Standard Time:20230613T153000
 CLASS:PUBLIC
 PRIORITY:5
-DTSTAMP:20230905T180338Z
+DTSTAMP:20230906T180331Z
 TRANSP:OPAQUE
 STATUS:CONFIRMED
 SEQUENCE:0
@@ -352,7 +329,7 @@ DTSTART;TZID=W. Europe Standard Time:20230614T090000
 DTEND;TZID=W. Europe Standard Time:20230614T170000
 CLASS:PUBLIC
 PRIORITY:5
-DTSTAMP:20230905T180338Z
+DTSTAMP:20230906T180331Z
 TRANSP:OPAQUE
 STATUS:CONFIRMED
 SEQUENCE:0
@@ -368,14 +345,14 @@ X-MICROSOFT-DISALLOW-COUNTER:FALSE
 END:VEVENT
 BEGIN:VEVENT
 DESCRIPTION:\n
-UID:040000008200E00074C5B7101A82E00800000000307F97A293A2D901000000000000000
- 010000000CED50913C41D414ABFB87789230B5258
-SUMMARY:Nutzung extern Co-Working-Bereich
+UID:040000008200E00074C5B7101A82E008000000008074BA9493A2D901000000000000000
+ 010000000626014CB23E32D47A65434D72C51C762
+SUMMARY:Mobiler Makerspace auf dem Campus Nachhaltigkeitsflohmarkt
 DTSTART;TZID=W. Europe Standard Time:20230615T090000
-DTEND;TZID=W. Europe Standard Time:20230615T160000
+DTEND;TZID=W. Europe Standard Time:20230615T180000
 CLASS:PUBLIC
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-DTSTAMP:20230905T180338Z
+DTSTAMP:20230906T180331Z
 TRANSP:OPAQUE
 STATUS:CONFIRMED
 SEQUENCE:0
@@ -391,14 +368,14 @@ X-MICROSOFT-DISALLOW-COUNTER:FALSE
 END:VEVENT
 BEGIN:VEVENT
 DESCRIPTION:\n
-UID:040000008200E00074C5B7101A82E008000000008074BA9493A2D901000000000000000
- 010000000626014CB23E32D47A65434D72C51C762
-SUMMARY:Mobiler Makerspace auf dem Campus Nachhaltigkeitsflohmarkt
+UID:040000008200E00074C5B7101A82E00800000000307F97A293A2D901000000000000000
+ 010000000CED50913C41D414ABFB87789230B5258
+SUMMARY:Nutzung extern Co-Working-Bereich
 DTSTART;TZID=W. Europe Standard Time:20230615T090000
-DTEND;TZID=W. Europe Standard Time:20230615T180000
+DTEND;TZID=W. Europe Standard Time:20230615T160000
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@@ -421,7 +398,7 @@ DTSTART;TZID=W. Europe Standard Time:20230615T100000
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@@ -468,7 +445,7 @@ DTSTART;TZID=W. Europe Standard Time:20230615T133000
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-DTSTAMP:20230905T180338Z
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 SEQUENCE:0
@@ -491,7 +468,7 @@ DTSTART;TZID=W. Europe Standard Time:20230617T100000
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-DTSTAMP:20230905T180338Z
+DTSTAMP:20230906T180331Z
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 SEQUENCE:0
@@ -514,7 +491,7 @@ DTSTART;TZID=W. Europe Standard Time:20230619T110000
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 CLASS:PUBLIC
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-DTSTAMP:20230905T180338Z
+DTSTAMP:20230906T180331Z
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 SEQUENCE:0
@@ -537,7 +514,7 @@ DTSTART;TZID=W. Europe Standard Time:20230620T100000
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-DTSTAMP:20230905T180338Z
+DTSTAMP:20230906T180331Z
 TRANSP:OPAQUE
 STATUS:CONFIRMED
 SEQUENCE:0
@@ -560,7 +537,7 @@ DTSTART;TZID=W. Europe Standard Time:20230621T080000
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-DTSTAMP:20230905T180338Z
+DTSTAMP:20230906T180331Z
 TRANSP:OPAQUE
 STATUS:CONFIRMED
 SEQUENCE:0
@@ -583,7 +560,7 @@ DTSTART;TZID=W. Europe Standard Time:20230621T133000
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-DTSTAMP:20230905T180338Z
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 TRANSP:OPAQUE
 STATUS:CONFIRMED
 SEQUENCE:0
@@ -606,7 +583,7 @@ DTSTART;TZID=W. Europe Standard Time:20230622T103000
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 CLASS:PUBLIC
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-DTSTAMP:20230905T180338Z
+DTSTAMP:20230906T180331Z
 TRANSP:OPAQUE
 STATUS:CONFIRMED
 SEQUENCE:0
@@ -629,7 +606,7 @@ DTSTART;TZID=W. Europe Standard Time:20230622T113000
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-DTSTAMP:20230905T180338Z
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 STATUS:CONFIRMED
 SEQUENCE:0
@@ -652,7 +629,7 @@ DTSTART;TZID=W. Europe Standard Time:20230622T120000
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 CLASS:PUBLIC
 PRIORITY:5
-DTSTAMP:20230905T180338Z
+DTSTAMP:20230906T180331Z
 TRANSP:OPAQUE
 STATUS:CONFIRMED
 SEQUENCE:0
@@ -668,14 +645,14 @@ X-MICROSOFT-DISALLOW-COUNTER:FALSE
 END:VEVENT
 BEGIN:VEVENT
 DESCRIPTION:\n
-UID:040000008200E00074C5B7101A82E008000000001079911E94A2D901000000000000000
- 010000000F1CD608B8038F949A3EFBE2BD58CC321
-SUMMARY:Unterweisung 3 D Scanner
+UID:040000008200E00074C5B7101A82E008000000006003A42794A2D901000000000000000
+ 0100000000B92C0D66B14A0489CA90F77D1BC3C12
+SUMMARY:Nutzung Lasercutter
 DTSTART;TZID=W. Europe Standard Time:20230622T130000
 DTEND;TZID=W. Europe Standard Time:20230622T160000
 CLASS:PUBLIC
 PRIORITY:5
-DTSTAMP:20230905T180338Z
+DTSTAMP:20230906T180331Z
 TRANSP:OPAQUE
 STATUS:CONFIRMED
 SEQUENCE:0
@@ -691,14 +668,14 @@ X-MICROSOFT-DISALLOW-COUNTER:FALSE
 END:VEVENT
 BEGIN:VEVENT
 DESCRIPTION:\n
-UID:040000008200E00074C5B7101A82E008000000006003A42794A2D901000000000000000
- 0100000000B92C0D66B14A0489CA90F77D1BC3C12
-SUMMARY:Nutzung Lasercutter
+UID:040000008200E00074C5B7101A82E008000000001079911E94A2D901000000000000000
+ 010000000F1CD608B8038F949A3EFBE2BD58CC321
+SUMMARY:Unterweisung 3 D Scanner
 DTSTART;TZID=W. Europe Standard Time:20230622T130000
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-DTSTAMP:20230905T180338Z
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@@ -721,7 +698,7 @@ DTSTART;TZID=W. Europe Standard Time:20230626T160000
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-DTSTAMP:20230905T180338Z
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@@ -767,7 +744,7 @@ DTSTART;TZID=W. Europe Standard Time:20230627T100000
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-DTSTAMP:20230905T180338Z
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@@ -813,7 +790,7 @@ DTSTART;TZID=W. Europe Standard Time:20230628T100000
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-DTSTAMP:20230905T180338Z
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 STATUS:CONFIRMED
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@@ -836,7 +813,7 @@ DTSTART;TZID=W. Europe Standard Time:20230628T110000
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-DTSTAMP:20230905T180338Z
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 TRANSP:OPAQUE
 STATUS:CONFIRMED
 SEQUENCE:0
@@ -859,7 +836,7 @@ DTSTART;TZID=W. Europe Standard Time:20230629T110000
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-DTSTAMP:20230905T180338Z
+DTSTAMP:20230906T180331Z
 TRANSP:OPAQUE
 STATUS:CONFIRMED
 SEQUENCE:0
@@ -882,7 +859,7 @@ DTSTART;TZID=W. Europe Standard Time:20230629T113000
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-DTSTAMP:20230905T180338Z
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 TRANSP:OPAQUE
 STATUS:CONFIRMED
 SEQUENCE:0
@@ -905,7 +882,7 @@ DTSTART;TZID=W. Europe Standard Time:20230629T133000
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-DTSTAMP:20230905T180338Z
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 STATUS:CONFIRMED
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@@ -928,7 +905,7 @@ DTSTART;TZID=W. Europe Standard Time:20230704T113000
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@@ -951,7 +928,7 @@ DTSTART;TZID=W. Europe Standard Time:20230705T110000
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-DTSTAMP:20230905T180338Z
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 TRANSP:OPAQUE
 STATUS:CONFIRMED
 SEQUENCE:0
@@ -974,7 +951,7 @@ DTSTART;TZID=W. Europe Standard Time:20230706T120000
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-DTSTAMP:20230905T180338Z
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 STATUS:CONFIRMED
 SEQUENCE:0
@@ -997,7 +974,7 @@ DTSTART;TZID=W. Europe Standard Time:20230708T100000
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-DTSTAMP:20230905T180338Z
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@@ -1021,7 +998,7 @@ DTSTART;TZID=W. Europe Standard Time:20230713T140000
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@@ -1045,7 +1022,7 @@ DTSTART;TZID=W. Europe Standard Time:20230718T100000
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@@ -1068,7 +1045,7 @@ DTSTART;TZID=W. Europe Standard Time:20230808T123000
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@@ -1089,7 +1066,7 @@ DTSTART;VALUE=DATE:20230810
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@@ -1112,7 +1089,7 @@ DTSTART;TZID=W. Europe Standard Time:20230810T143000
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@@ -1135,7 +1112,7 @@ DTSTART;TZID=W. Europe Standard Time:20230815T113000
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@@ -1158,7 +1135,7 @@ DTSTART;TZID=W. Europe Standard Time:20230815T130000
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@@ -1182,7 +1159,7 @@ DTSTART;TZID=W. Europe Standard Time:20230829T100000
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-DTSTAMP:20230905T180338Z
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@@ -1206,7 +1183,7 @@ DTSTART;TZID=W. Europe Standard Time:20230829T100000
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-DTSTAMP:20230905T180338Z
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 STATUS:CONFIRMED
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@@ -1232,7 +1209,7 @@ DTSTART;TZID=W. Europe Standard Time:20230831T100000
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-DTSTAMP:20230905T180338Z
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 STATUS:CONFIRMED
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@@ -1256,7 +1233,7 @@ DTSTART;TZID=W. Europe Standard Time:20230905T100000
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@@ -1400,7 +1377,7 @@ DTSTART;TZID=W. Europe Standard Time:20230919T113000
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@@ -1452,7 +1429,7 @@ DTSTART;TZID=W. Europe Standard Time:20231109T170000
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@@ -1478,7 +1455,7 @@ DTSTART;TZID=W. Europe Standard Time:20231214T170000
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@@ -1504,7 +1481,7 @@ DTSTART;TZID=W. Europe Standard Time:20240111T170000
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@@ -1530,7 +1507,7 @@ DTSTART;TZID=W. Europe Standard Time:20240208T170000
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@@ -1556,7 +1533,7 @@ DTSTART;TZID=W. Europe Standard Time:20240314T170000
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 SEQUENCE:7