Guam Date And Time Formatting
| Name | Pattern | Local Example |
|---|---|---|
| Culture: | en-GU, en-US | |
| Full Date: | EEEE, MMMM d, y | Sunday, November 16, 2025 |
| Long Date: | MMMM d, y | November 16, 2025 |
| Medium Date: | MMM d, y | Nov 16, 2025 |
| Short Date: | M/d/yy | 11/16/25 |
| Full Time: | h:mm:ss a zzzz | 9:33:46 PM Chamorro Standard Time |
| Long Time: | h:mm:ss a z | 9:33:46 PM ChST |
| Medium Time: | h:mm:ss a | 9:33:46 PM |
| Short Time: | h:mm a | 9:33 PM |
| Time Format: | 12 Hours Format | 9:33 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
Sunday, November 16, 2025 at 9:33:46 PM Chamorro Standard Time
Sunday, November 16, 2025 at 9:33:46 PM Chamorro Standard Time
CultureInfo CultureInfo Class (System.Globalization) | Microsoft Learn
Local time in Guam