docs(mods): add date-parts.md

Author: haithium

docs/src/mods/reference/date-parts.md

@@ -0,0 +1,23 @@
+---
+title: "Date Parts"
+description: "Structure and fields of the DateParts table used by mods.date."
+---
+
+# Date Parts
+
+Components of a date and time, used by the [`date`] module.
+
+| Field   | Type       | Description                                                        |
+| :------ | :--------- | :----------------------------------------------------------------- |
+| `year`  | `integer`  | The 4-digit year (e.g., `2026`).                                   |
+| `month` | `integer?` | The month of the year (`1` to `12`).                               |
+| `day`   | `integer?` | The day of the month (`1` to `31`).                                |
+| `hour`  | `integer?` | The hour of the day (`0` to `23`).                                 |
+| `min`   | `integer?` | The minute of the hour (`0` to `59`).                              |
+| `sec`   | `integer?` | The second of the minute (`0` to `59`).                            |
+| `ms`    | `integer?` | The millisecond of the second (`0` to `999`).                      |
+| `wday`  | `integer?` | The weekday number (typically `1` to `7` where Sunday is `1`).     |
+| `yday`  | `integer?` | The day of the year (`1` to `366`).                                |
+| `isdst` | `boolean?` | `true` if Daylight Saving Time (DST) is active, `false` otherwise. |
+
+[`date`]: ../api/date.md