Current CHST time
· week 43 · day 294/365
Chamorro Standard Time
CHST means Chamorro Standard Time. It is fixed at UTC+10 and does not change for daylight saving time.
- Zone
- CHST
- UTC offset
- UTC+10
- DST
- No
- Next change
- None
- Countries
- 3
- Representative IANA zones
- 2
- 09:00 in UTC
- 23:00
These IANA zones keep UTC+10 under the current tzdb rules; historical offsets may differ.
Pacific/GuamPacific/Saipan
Time difference with your location
Chamorro Standard Time is 10 hours ahead of UTC. Compare with your local time →
Where this time is used
Cities in 3 countries keep UTC+10 throughout 2026. Sharing an offset does not necessarily mean using the same abbreviation.
| Country | States / provinces | Cities |
|---|---|---|
| Northern Mariana Islands | — | 1 |
Countries and cities in this time zone · CHST
7 representative cities below currently show UTC+10.
| Location | Local time | UTC offset |
|---|---|---|
| Dededo VillageGuam | UTC+10 | |
| BrisbaneAustralia | UTC+10 | |
| SaipanNorthern Mariana Islands | UTC+10 | |
| Yigo VillageGuam | UTC+10 |
| Location | Local time | UTC offset |
|---|---|---|
| Tamuning-Tumon-Harmon VillageGuam | UTC+10 | |
| Mangilao VillageGuam | UTC+10 | |
| HagåtñaGuam | UTC+10 |
Other zones with the same UTC offset
2 other time zones share UTC+10 with CHST right now. Regional zones may leave this offset when their clocks change.
Quick conversions · CHST
CHST = UTC+10, so 09:00 CHST = 23:00 UTC (on the corresponding UTC day). These 40 zones show the equivalent of 09:00 CHST using today's offsets.
| Time zone | UTC · difference | 09:00 CHST = |
|---|---|---|
| CHST to UTCCoordinated Universal Time | UTC+0−10h | 23:00 |
| CHST to ESTEastern Standard Time | UTC-5−15h | 18:00 |
| CHST to ISTIndia Standard Time | UTC+5:30−4h30m | 04:30 |
| CHST to PSTPacific Standard Time | UTC-8−18h | 15:00 |
| CHST to GMTGreenwich Mean Time | UTC+0−10h | 23:00 |
| CHST to CSTCentral Standard Time | UTC-6−16h | 17:00 |
| CHST to MSTMountain Standard Time | UTC-7−17h | 16:00 |
| CHST to CETCentral European Time | UTC+1−9h | 00:00 |
| CHST to AESTAustralian Eastern Standard Time | UTC+10same time | 09:00 |
| CHST to ICTIndochina Time | UTC+7−3h | 06:00 |
| CHST to JSTJapan Standard Time | UTC+9−1h | 08:00 |
| CHST to KSTKorea Standard Time | UTC+9−1h | 08:00 |
| CHST to SGTSingapore Time | UTC+8−2h | 07:00 |
| CHST to HKTHong Kong Time | UTC+8−2h | 07:00 |
| CHST to BSTBritish Summer Time | UTC+1−9h | 00:00 |
| CHST to EDTEastern Daylight Time | UTC-4−14h | 19:00 |
| CHST to PDTPacific Daylight Time | UTC-7−17h | 16:00 |
| CHST to CDTCentral Daylight Time | UTC-5−15h | 18:00 |
| CHST to ACDTAustralian Central Daylight Time | UTC+10:30+30m | 09:30 |
| CHST to ACSTAustralian Central Standard Time | UTC+9:30−30m | 08:30 |
| Time zone | UTC · difference | 09:00 CHST = |
|---|---|---|
| CHST to ADTAtlantic Daylight Time | UTC-3−13h | 20:00 |
| CHST to AEDTAustralian Eastern Daylight Time | UTC+11+1h | 10:00 |
| CHST to AFSTAfghanistan Time | UTC+4:30−5h30m | 03:30 |
| CHST to AKDTAlaska Daylight Time | UTC-8−18h | 15:00 |
| CHST to AKSTAlaska Standard Time | UTC-9−19h | 14:00 |
| CHST to ALMTAlmaty Time | UTC+5−5h | 04:00 |
| CHST to AOEAnywhere on Earth | UTC-12−22h | 11:00 |
| CHST to AST-ARABIAArabia Standard Time | UTC+3−7h | 02:00 |
| CHST to ARTArgentina Time | UTC-3−13h | 20:00 |
| CHST to ASTAtlantic Standard Time | UTC-4−14h | 19:00 |
| CHST to AWSTAustralian Western Standard Time | UTC+8−2h | 07:00 |
| CHST to BDTBangladesh Time | UTC+6−4h | 05:00 |
| CHST to BRTBrasília Time | UTC-3−13h | 20:00 |
| CHST to CATCentral Africa Time | UTC+2−8h | 01:00 |
| CHST to CTCentral Time | UTC-5−15h | 18:00 |
| CHST to CESTCentral European Summer Time | UTC+2−8h | 01:00 |
| CHST to CHADTChatham Daylight Time | UTC+13:45+3h45m | 12:45 |
| CHST to CHASTChatham Standard Time | UTC+12:45+2h45m | 11:45 |
| CHST to CST-CHINAChina Standard Time | UTC+8−2h | 07:00 |
| CHST to CLTChile Time | UTC-4−14h | 19:00 |
Frequently asked questions
What is CHST?
CHST means Chamorro Standard Time. It is fixed at UTC+10 and does not change for daylight saving time.
Where is CHST's UTC offset used?
UTC+10 is used all year in Guam, Australia, and Northern Mariana Islands. 3 countries in our data have cities at this offset; local abbreviations can differ.
CHST vs UTC: what is the difference?
CHST = UTC+10, so 09:00 CHST = 23:00 UTC (on the corresponding UTC day).
Does CHST have daylight saving time?
No. CHST always means UTC+10. A region may switch to a different abbreviation, but this fixed label does not change its offset.