[1] RFC 7808 - Time Zone Data Distribution Service (2016-04-02 09:16:05 +09:00 版) https://tools.ietf.org/html/rfc7808

[2] Time Zone Data Distribution Service (TZDIST) Identifiers ( (2016-04-05 02:03:37 +09:00)) https://www.iana.org/assignments/tzdist-identifiers/tzdist-identifiers.xhtml

[3] [tz] new mailing list: tzdist-bis at ietf.org (2018-05-15 01:21:50 +09:00) https://mm.icann.org/pipermail/tz/2018-May/026470.html

[4] Tzdist-bis Info Page (2018-05-16 12:35:14 +09:00) https://www.ietf.org/mailman/listinfo/tzdist-bis

[5] tzdist-bis Discussion Archive - Date Index (2018-05-12 04:21:05 +09:00) https://www.ietf.org/mail-archive/web/tzdist-bis/current/maillist.html

[6] draft-murchison-tzdist-geolocate-02 - The Time Zone Data Distribution Service (TZDIST) Geolocate Extension (2018-06-04 02:21:03 +09:00) https://tools.ietf.org/html/draft-murchison-tzdist-geolocate-02

[7] tzdist-bis (2019-07-26 11:19:42 +09:00) https://mailarchive.ietf.org/arch/browse/tzdist-bis/

[8] CalDAV — Cyrus IMAP 3.0.13 (stable) documentation (2020-02-27 09:00:17 +09:00) https://www.cyrusimap.org/imap/download/installation/http/caldav.html#time-zone-distribution-service-tzdist

[9] [tz] Support for the IANA database in the Python standard library (2020-02-27 08:09:55 +09:00) https://mm.icann.org/pipermail/tz/2020-February/028851.html