Date format used on this site

Dates in the post titles use a year-week-day based format.

• 2 digit year number (eg 25 for 2025, implies years after 2000)
• 2 digit week number (eg 13 for the thirteenth week of the year as per ISO 8601 week numbering)
• one letter day-of-the-week with unique symbols for each day

Days of the week

| day       | symbol |
| --------- | ------ |
| Monday    | M      |
| Tuesday   | T      |
| Wednesday | W      |
| Thursday  | R      |
| Friday    | F      |
| Saturday  | S      |
| Sunday    | U      |

Examples

2503R -> 2025, week 3, Thursday
1936T -> 2019, week 36, Tuesday
2411U -> 2024, week 11, Sunday

Note on years

A “weekyear” is not the same as a calendar year! A week belongs to the year that contains it’s Thursday.
Because of this, 2501M falls on 2024 December 30.