BEGIN:VCALENDAR
VERSION:2.0
PRODID:icalendar-ruby
CALSCALE:GREGORIAN
BEGIN:VEVENT
DTSTAMP:20260404T044514Z
UID:4ec3f6e1-e66f-463f-b2f9-6190abcfae0b
DTSTART:20231020T003000Z
DTEND:20231020T020001Z
SUMMARY:R10 Start Swimming
END:VEVENT
END:VCALENDAR