• [1] Timezone information in HTTP (Stefanos Harhalakis 著, 6/7/2007, 10:32:13 PM 版) http://lists.w3.org/Archives/Public/ietf-http-wg/2007AprJun/0263.html (名無しさん 6/11/2007, 11:17:54 AM)
• [2] draft-sharhalakis-httptz-05, 7/13/2022, 8:31:02 AM https://datatracker.ietf.org/doc/html/draft-sharhalakis-httptz-05

[3] POSIX の TZ をベースにした構文。

• [4] DesiSoft Systems - Time Zone Calculation, 7/13/2022, 8:32:42 AM, 11/26/2011, 9:09:37 PM https://web.archive.org/web/20111126205637/http://www.desisoftsystems.com/white-papers/timeZoneCalculation
• [5] 国際化/TimeZone - JO1UPK, 7/13/2022, 8:33:01 AM, 10/12/2011, 8:52:27 AM https://web.archive.org/web/20111012083228/http://jo1upk.blogdns.net/saito/?%E5%9B%BD%E9%9A%9B%E5%8C%96%2FTimeZone

[6] 別系統の提案。独自形式。