[1] Date and time -- Concepts and vocabulary — ISO/TC 154: Processes, data elements and documents in commerce, industry and administration, , https://www.isotc154.org/projects/iso-34000/
ISO/WD 34000 project
Date and time -- Concepts and vocabulary
[3] Calndr-L - Future ISO standards, , 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, , https://www.isotc154.org/projects/iso-34300/
ISO/NP 34300 project
Date and time -- Codes for calendar systems