BEGIN:VCALENDAR
VERSION:2.0
PRODID:-//time.you/holidays//NONSGML v1.0//EN
BEGIN:VEVENT
UID:5a82509d-bc3e-4280-9d78-334440f4a528
DTSTAMP:20260424T003851Z
DTSTART;VALUE=DATE:20261009
SUMMARY:Hangul Day (South Korea)
END:VEVENT
END:VCALENDAR