You can use formatting characters to display date and time values in particular formats. These formats work with a variable’s ToString method as well as with String.Format. For example, the code DateTime.Now.ToString("f") returns the current date and time in full date/time format with a short time.
This example builds a ListView that demonstrates the various standard date and time formats. It then uses code from the example Use ListView data to generate HTML TABLE code in C# to convert the results into the following HTML table.
| Date Formats | ||
|---|---|---|
| Name | Format | Result |
| Short date | d | 8/18/2014 |
| Long date | D | Monday, August 18, 2014 |
| Month/day | M or m | August 18 |
| Year/month | Y or y | August 2014 |
| Time Formats | ||
| Name | Format | Result |
| Short time | t | 4:59 PM |
| Long time | T | 4:59:39 PM |
| Date/Time Formats | ||
| Name | Format | Result |
| Full date/time (short time) | f | Monday, August 18, 2014 4:59 PM |
| Full date/time (long time) | F | Monday, August 18, 2014 4:59:39 PM |
| General date/time (short time) | g | 8/18/2014 4:59 PM |
| General date/time (long time) | G | 8/18/2014 4:59:39 PM |
| Round-trip date/time | O or o | 2014-08-18T16:59:39.4458600-06:00 |
| RFC1123 | R or r | Mon, 18 Aug 2014 16:59:39 GMT |
| Sortable date/time | s | 2014-08-18T16:59:39 |
| Universal sortable date/time | u | 2014-08-18T16:59:39 |
| Universal full date/time | U | 2014-08-18 16:59:39Z |
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