BEGIN:VCALENDAR
VERSION:2.0
PRODID:-//EAU//Astro Calendar//ZH
BEGIN:VEVENT
UID:2026-09-23-season-0@eau
DTSTAMP:20260916T185904Z
DTSTART;VALUE=DATE:20260923
DTEND;VALUE=DATE:20260924
SUMMARY:秋分 / September Equinox
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。
END:VEVENT
END:VCALENDAR