BEGIN:VCALENDAR
VERSION:2.0
PRODID:icalendar-ruby
CALSCALE:GREGORIAN
METHOD:PUBLISH
BEGIN:VTIMEZONE
TZID:Asia/Dhaka
BEGIN:DAYLIGHT
DTSTART:20380119T091407
TZOFFSETFROM:+0600
TZOFFSETTO:+0600
RRULE:FREQ=YEARLY;BYDAY=3TU;BYMONTH=1
TZNAME:+06
END:DAYLIGHT
BEGIN:STANDARD
DTSTART:20091231T230000
TZOFFSETFROM:+0700
TZOFFSETTO:+0600
RRULE:FREQ=YEARLY;BYDAY=-1TH;BYMONTH=12
TZNAME:+06
END:STANDARD
END:VTIMEZONE
BEGIN:VEVENT
DTSTAMP:20261025T000248Z
UID:1191251
DTSTART;TZID=Asia/Dhaka:20260817T054000
DTEND;TZID=Asia/Dhaka:20270811T063000
LOCATION:Dhaka
SEQUENCE:1792807796
SUMMARY:Checkout Test Flow 2 
END:VEVENT
END:VCALENDAR