Primary city
Hagåtña
US time zone
Chamorro Time
Guam and the Northern Mariana Islands use Chamorro Standard Time year-round (no DST).
ChST UTC+10 year-round No daylight saving Pacific/Guam
Standard offset
UTC+10
Daylight saving
No
IANA id
Pacific/Guam
Major cities
- Hagåtña , GU
- Saipan , MP
Related states & territories
Some states span multiple zones — these links cover places commonly associated with Chamorro Time.
Convert into Chamorro Time
Pick any city and local time — results highlight every U.S. zone, with Chamorro Time called out.
Converting 12:00 in Tokyo, JP. Times use official IANA zones (DST applied automatically).
| U.S. zone | Local time | Date | Note |
|---|---|---|---|
| Eastern Time EST | — | — | — |
| Central Time CST | — | — | — |
| Mountain Time MST | — | — | — |
| Pacific Time PST | — | — | — |
| Alaska Time AKST | — | — | — |
| Hawaii–Aleutian Time HST · no DST | — | — | — |
| Arizona (Mountain Standard) MST · no DST | — | — | — |
| Atlantic Time (Puerto Rico) AST · no DST | — | — | — |
| Chamorro Time ChST · no DST | — | — | — |
| Samoa Standard Time SST · no DST | — | — | — |
Live clocks refresh about every 30s. Prefer a city page? Browse the U.S. time zones list.