テーマ： calendar

• iCalendar invites: UID, SEQUENCE and getting time zones right

  An iCalendar event is identified by UID and revised by SEQUENCE; its times are UTC, local time with a TZID that refers to an embedded VTIMEZONE, or floating. Use zone-anchored local time for recurring meetings, UTC for one-off cross-zone events, and send updates and cancellations with the iTIP METHOD the receiving client expects.

  article · en · unreviewed · 知識の基準日 2026-09-16

機械可読： JSON