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[SPARK-31030] [DOCS] [FOLLOWUP] Replace HTML Table by Markdown Table #28415

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220 changes: 32 additions & 188 deletions docs/sql-ref-datetime-pattern.md
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Original file line number Diff line number Diff line change
Expand Up @@ -28,194 +28,38 @@ There are several common scenarios for datetime usage in Spark:

Spark uses pattern letters in the following table for date and timestamp parsing and formatting:

<table class="table">
<tr>
<th> <b>Symbol</b> </th>
<th> <b>Meaning</b> </th>
<th> <b>Presentation</b> </th>
<th> <b>Examples</b> </th>
</tr>
<tr>
<td> <b>G</b> </td>
<td> era </td>
<td> text </td>
<td> AD; Anno Domini; A </td>
</tr>
<tr>
<td> <b>y</b> </td>
<td> year </td>
<td> year </td>
<td> 2020; 20 </td>
</tr>
<tr>
<td> <b>D</b> </td>
<td> day-of-year </td>
<td> number </td>
<td> 189 </td>
</tr>
<tr>
<td> <b>M/L</b> </td>
<td> month-of-year </td>
<td> number/text </td>
<td> 7; 07; Jul; July; J </td>
</tr>
<tr>
<td> <b>d</b> </td>
<td> day-of-month </td>
<td> number </td>
<td> 28 </td>
</tr>
<tr>
<td> <b>Q/q</b> </td>
<td> quarter-of-year </td>
<td> number/text </td>
<td> 3; 03; Q3; 3rd quarter </td>
</tr>
<tr>
<td> <b>Y</b> </td>
<td> week-based-year </td>
<td> year </td>
<td> 1996; 96 </td>
</tr>
<tr>
<td> <b>w</b> </td>
<td> week-of-week-based-year </td>
<td> number </td>
<td> 27 </td>
</tr>
<tr>
<td> <b>W</b> </td>
<td> week-of-month </td>
<td> number </td>
<td> 4 </td>
</tr>
<tr>
<td> <b>E</b> </td>
<td> day-of-week </td>
<td> text </td>
<td> Tue; Tuesday; T </td>
</tr>
<tr>
<td> <b>u</b> </td>
<td> localized day-of-week </td>
<td> number/text </td>
<td> 2; 02; Tue; Tuesday; T </td>
</tr>
<tr>
<td> <b>F</b> </td>
<td> week-of-month </td>
<td> number </td>
<td> 3 </td>
</tr>
<tr>
<td> <b>a</b> </td>
<td> am-pm-of-day </td>
<td> text </td>
<td> PM </td>
</tr>
<tr>
<td> <b>h</b> </td>
<td> clock-hour-of-am-pm (1-12) </td>
<td> number </td>
<td> 12 </td>
</tr>
<tr>
<td> <b>K</b> </td>
<td> hour-of-am-pm (0-11) </td>
<td> number </td>
<td> 0 </td>
</tr>
<tr>
<td> <b>k</b> </td>
<td> clock-hour-of-day (1-24) </td>
<td> number </td>
<td> 0 </td>
</tr>
<tr>
<td> <b>H</b> </td>
<td> hour-of-day (0-23) </td>
<td> number </td>
<td> 0 </td>
</tr>
<tr>
<td> <b>m</b> </td>
<td> minute-of-hour </td>
<td> number </td>
<td> 30 </td>
</tr>
<tr>
<td> <b>s</b> </td>
<td> second-of-minute </td>
<td> number </td>
<td> 55 </td>
</tr>
<tr>
<td> <b>S</b> </td>
<td> fraction-of-second </td>
<td> fraction </td>
<td> 978 </td>
</tr>
<tr>
<td> <b>V</b> </td>
<td> time-zone ID </td>
<td> zone-id </td>
<td> America/Los_Angeles; Z; -08:30 </td>
</tr>
<tr>
<td> <b>z</b> </td>
<td> time-zone name </td>
<td> zone-name </td>
<td> Pacific Standard Time; PST </td>
</tr>
<tr>
<td> <b>O</b> </td>
<td> localized zone-offset </td>
<td> offset-O </td>
<td> GMT+8; GMT+08:00; UTC-08:00; </td>
</tr>
<tr>
<td> <b>X</b> </td>
<td> zone-offset 'Z' for zero </td>
<td> offset-X </td>
<td> Z; -08; -0830; -08:30; -083015; -08:30:15; </td>
</tr>
<tr>
<td> <b>x</b> </td>
<td> zone-offset </td>
<td> offset-x </td>
<td> +0000; -08; -0830; -08:30; -083015; -08:30:15; </td>
</tr>
<tr>
<td> <b>Z</b> </td>
<td> zone-offset </td>
<td> offset-Z </td>
<td> +0000; -0800; -08:00; </td>
</tr>
<tr>
<td> <b>'</b> </td>
<td> escape for text </td>
<td> delimiter </td>
<td></td>
</tr>
<tr>
<td> <b>''</b> </td>
<td> single quote </td>
<td> literal </td>
<td> ' </td>
</tr>
<tr>
<td> <b>[</b> </td>
<td> optional section start </td>
<td> </td>
<td> </td>
</tr>
<tr>
<td> <b>]</b> </td>
<td> optional section end </td>
<td> </td>
<td> </td>
</tr>
</table>
|Symbol|Meaning|Presentation|Examples|
|--- |--- |--- |--- |
|**G**|era|text|AD; Anno Domini; A|
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@gatorsmile gatorsmile Apr 30, 2020 •
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The tool does not automatically recognize the style.

**G** <-- I manually made it bold .

|**y**|year|year|2020; 20|
|**D**|day-of-year|number|189|
|**M/L**|month-of-year|number/text|7; 07; Jul; July; J|
|**d**|day-of-month|number|28|
|**Q/q**|quarter-of-year|number/text|3; 03; Q3; 3rd quarter|
|**Y**|week-based-year|year|1996; 96|
|**w**|week-of-week-based-year|number|27|
|**W**|week-of-month|number|4|
|**E**|day-of-week|text|Tue; Tuesday; T|
|**u**|localized day-of-week|number/text|2; 02; Tue; Tuesday; T|
|**F**|week-of-month|number|3|
|**a**|am-pm-of-day|text|PM|
|**h**|clock-hour-of-am-pm (1-12)|number|12|
|**K**|hour-of-am-pm (0-11)|number|0|
|**k**|clock-hour-of-day (1-24)|number|0|
|**H**|hour-of-day (0-23)|number|0|
|**m**|minute-of-hour|number|30|
|**s**|second-of-minute|number|55|
|**S**|fraction-of-second|fraction|978|
|**V**|time-zone ID|zone-id|America/Los_Angeles; Z; -08:30|
|**z**|time-zone name|zone-name|Pacific Standard Time; PST|
|**O**|localized zone-offset|offset-O|GMT+8; GMT+08:00; UTC-08:00;|
|**X**|zone-offset 'Z' for zero|offset-X|Z; -08; -0830; -08:30; -083015; -08:30:15;|
|**x**|zone-offset|offset-x|+0000; -08; -0830; -08:30; -083015; -08:30:15;|
|**Z**|zone-offset|offset-Z|+0000; -0800; -08:00;|
|**'**|escape for text|delimiter||
|**''**|single quote|literal|'|
|**[**|optional section start|||
|**]**|optional section end|||

The count of pattern letters determines the format.

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