BEGIN:VCALENDAR
VERSION:2.0
PRODID:-//EAU//Calendar//ZH
CALSCALE:GREGORIAN
METHOD:PUBLISH
BEGIN:VEVENT
UID:2026-09-23-season-0@eau.tw
DTSTAMP:20261004T002939Z
DTSTART;VALUE=DATE:20260923
DTEND;VALUE=DATE:20260924
SUMMARY:秋分
DESCRIPTION:太陽直射赤道，晝夜等長；此後北半球夜晚逐漸
 變長，觀測季節開始。
CATEGORIES:節氣
BEGIN:VALARM
ACTION:DISPLAY
DESCRIPTION:秋分
TRIGGER:-PT30M
END:VALARM
END:VEVENT
END:VCALENDAR