BEGIN:VCALENDAR
VERSION:2.0
PRODID:-//PYVOBJECT//NONSGML Version 1//EN
BEGIN:VTIMEZONE
TZID:Asia/Calcutta
BEGIN:STANDARD
DTSTART:20000101T000000
RRULE:FREQ=YEARLY;BYMONTH=1
TZNAME:IST
TZOFFSETFROM:+0500
TZOFFSETTO:+0500
END:STANDARD
END:VTIMEZONE
BEGIN:VEVENT
UID:20260927T131809Z - 50170@OCM
DTSTART;TZID=Asia/Calcutta:20250623T183000
DTEND;TZID=Asia/Calcutta:20250623T200000
CREATED:20260927T131809Z
DTSTAMP:20260927T131809Z
LOCATION:My Company\, India
SUMMARY:Demo class
END:VEVENT
END:VCALENDAR