[1] Date and time -- Concepts and vocabulary — ISO/TC 154: Processes, data elements and documents in commerce, industry and administration, 2020-11-05T08:12:29.000Z, 2022-07-05T05:09:34.307Z https://www.isotc154.org/projects/iso-34000/

ISO/WD 34000 project

Date and time -- Concepts and vocabulary

[3] Calndr-L - Future ISO standards, 2022-07-05T05:11:56.000Z, 2020-08-28T04:32:48.013Z https://web.archive.org/web/20200828043205/http://calndr-l.10958.n7.nabble.com/Future-ISO-standards-td19077.html

• ISO 34000 Date and time — Concepts and vocabulary
• ISO 34002 Date and time — Timezones
• ISO 34003 Date and time — Codes for calendar systems

[2] Date and time -- Codes for calendar systems — ISO/TC 154: Processes, data elements and documents in commerce, industry and administration, 2020-11-05T08:12:29.000Z, 2022-07-05T05:10:05.349Z https://www.isotc154.org/projects/iso-34300/

ISO/NP 34300 project

Date and time -- Codes for calendar systems