Guam Date And Time Formatting
| Name | Pattern | Local Example |
|---|---|---|
| Culture: | en-GU, en-US | |
| Full Date: | EEEE, MMMM d, y | Wednesday, April 15, 2026 |
| Long Date: | MMMM d, y | April 15, 2026 |
| Medium Date: | MMM d, y | Apr 15, 2026 |
| Short Date: | M/d/yy | 4/15/26 |
| Full Time: | h:mm:ss a zzzz | 11:09:38 PM Chamorro Standard Time |
| Long Time: | h:mm:ss a z | 11:09:38 PM ChST |
| Medium Time: | h:mm:ss a | 11:09:38 PM |
| Short Time: | h:mm a | 11:09 PM |
| Time Format: | 12 Hours Format | 11:09 PM |
Note: If you want to write the full Date Time for Guam, you can use both (Full Date + Full Time) together to be EEEE, MMMM d, y 'at' h:mm:ss a zzzz,
so the full DateTime will be like
Wednesday, April 15, 2026 at 11:09:38 PM Chamorro Standard Time
Wednesday, April 15, 2026 at 11:09:38 PM Chamorro Standard Time
CultureInfo CultureInfo Class (System.Globalization) | Microsoft Learn
Local time in Guam