Calendar Design and Reform
calendar-reform.bsky.social
Calendar Design and Reform
@calendar-reform.bsky.social
VMS is not alone with that choice of epoch, but there are many more: en.wikipedia.org/wiki/Epoch_(...
July 23, 2025 at 9:30 AM
If you write the year as “2025”, it’s cardinal, but if you write it like “2025 AD” or “2025 CE”, it’s ordinal due to the era provided: “2025th year of the common era”. On an ordinal scale, there is no zero, but on a cardinal one there is. “2025” really is “+2025”.
Months and days are always ordinal,
April 26, 2025 at 6:49 PM
WCC Commission on Faith and Order paper #241: Towards a Common Date for Easter

☦️ Coptic: pragmatic local consensuses ultimately lead to global harmonization
✝️ Roman Catholic: unity more important than accuracy, fixed date (3rd April Sunday) or even Julian possible
✝️ Lutheran: similar to Coptic POV
WCC publishes Faith and Order paper encouraging churches to work for common celebration of Easter
The World Council of Churches has published a Faith and Order paper, “Towards a Common Date for Easter” as an encouragement to churches and Christians to work with one another in their own contexts fo...
www.oikoumene.org
April 6, 2025 at 10:08 PM
Reposted by Calendar Design and Reform
The dot '.' is an ordinal suffix.
The slash '/' is a hierarchic separator.
The hyphen '-' is a neutral separator or connector.

Therefore, DD.MM.CCYY and CCYY/MM/DD are reasonable numeric date notations, as is #ISO8601 CCYY-MM-DD. When dropping the year, the same applies: DD.MM., MM/DD, [-]MM-DD.
March 21, 2025 at 3:52 PM