iCloud 節假日訂閱以符合下述 URL 的形式存在
https://calendars.icloud.com/holidays/{ISO 3166-1兩位代碼}_{ISO 639-1}.ics
例:
中國中文: https://calendars.icloud.com/holidays/cn_zh.ics
中國英文: https://calendars.icloud.com/holidays/cn_en.ics
台灣中文: https://calendars.icloud.com/holidays/tw_zh.ics
台灣英文: https://calendars.icloud.com/holidays/tw_en.ics
美國英文: https://calendars.icloud.com/holidays/us_en.ics
日本日文: https://calendars.icloud.com/holidays/jp_ja.ics
日本英文: https://calendars.icloud.com/holidays/jp_en.ics