BEGIN:VCALENDAR
PRODID:custom
VERSION:2.0
BEGIN:VTIMEZONE
TZID:Europe/Rome
X-LIC-LOCATION:Europe/Rome
BEGIN:STANDARD
TZNAME:CET
DTSTART:19701028T030000
RRULE:FREQ=YEARLY;BYDAY=-1SU;BYMONTH=10
TZOFFSETFROM:+0200
TZOFFSETTO:+0100
END:STANDARD
BEGIN:DAYLIGHT
TZNAME:CEST
DTSTART:19700325T020000
RRULE:FREQ=YEARLY;BYDAY=-1SU;BYMONTH=3
TZOFFSETFROM:+0100
TZOFFSETTO:+0200
END:DAYLIGHT
END:VTIMEZONE
BEGIN:VEVENT
UID:js-show-12345
SUMMARY:JavaScript show
DESCRIPTION:
DTSTAMP;TZID=Europe/Rome:20211122T060000
DTSTART;TZID=Europe/Rome:20211122T060000
DTEND;TZID=Europe/Rome:20211122T080000
URL:
RRULE:FREQ=WEEKLY
END:VEVENT
END:VCALENDAR