BEGIN:VCALENDAR
VERSION:2.0
PRODID:-//time.you/holidays//NONSGML v1.0//EN
BEGIN:VEVENT
UID:2b6e6dd9-4243-42ba-a5a5-a694e85932df
DTSTAMP:20260421T223309Z
DTSTART;VALUE=DATE:20260501
SUMMARY:International Labor Day (Vietnam)
END:VEVENT
END:VCALENDAR