BEGIN:VCALENDAR
VERSION:2.0
PRODID:-//EAU//Calendar//ZH
CALSCALE:GREGORIAN
METHOD:PUBLISH
BEGIN:VEVENT
UID:2026-10-04-planet-6@eau.tw
DTSTAMP:20261003T220005Z
DTSTART;VALUE=DATE:20261004
DTEND;VALUE=DATE:20261005
SUMMARY:土星衝
DESCRIPTION:土星距地球最近、最亮，整夜可見；衝日前後幾
 天環會因「衝效應」明顯變亮。
CATEGORIES:行星
BEGIN:VALARM
ACTION:DISPLAY
DESCRIPTION:土星衝
TRIGGER:-PT30M
END:VALARM
END:VEVENT
END:VCALENDAR