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Align week year explanation with other docs #11324

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Align week year explanation with other docs #11324

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Align week year explanation with modeling parse and format date funct…
HedwigJDoets Jun 9, 2026
7e589c0
fix two digit explanation
HedwigJDoets Jun 9, 2026
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6 changes: 4 additions & 2 deletions static/_includes/refguide/custom-date-format-tokens.md
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Expand Up @@ -5,8 +5,10 @@ All examples are for **30th December 2014, at 00:27:16.789**
| `G` | AD | The era |
| `y`, `yyy`, `yyyy`, *etc.* | 2014 | Year |
| `yy` | 14 | Year |
| `Y`, `YYY`, `YYYY`, *etc.* | 2015 | Week year, use in combination with `w` for [week number](https://en.wikipedia.org/wiki/Week#Week_numbering) formatting |
| `YY` | 15 | Week year, use in combination with `w` for [week number](https://en.wikipedia.org/wiki/Week#Week_numbering) formatting |
| `Y`, `YYY`, `YYYY`, *etc.* | 2015 | ISO week-numbering year, four digits: <br/>`YYYY` shows the year based on the ISO week the date falls in, where week 1 is the first week containing at least four days of the new year. For example, 2014-12-31 is in ISO week 1
of 2015, so `YYYY` returns 2015, while `yyyy` returns 2014. |
| `YY` | 15 |ISO week-numbering year, two digits: <br/>`YY` shows the year based on the ISO week the date falls in, where week 1 is the first week containing at least four days of the new year. For example, 2014-12-31 is in ISO week 1
of 15, so `YY` returns 15, while `yy` returns 14. |
| `M`, `MM`<sup><small>*</small></sup> | 12 | Month number |
| `MMM` | Dec | Month abbreviation |
| `MMMM` | December | Month name |
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