MSTTime.nowMountain Standard Time

CHST Time Now

Wednesday, November 4, 2026
Time zone
Chamorro Standard Time (ChST)
UTC offset
UTC+10
Daylight saving
Not observed
Sunrise / sunset
06:15 / 17:53

ChST is in use right now in Chamorro Time (UTC+10).

ChST is 17 hours ahead of MST (Mountain Standard Time).

ChST time zone

Chamorro Time

Chamorro Standard Time (ChST)

IANA: Pacific/Guam · UTC+10

Daylight saving time in ChST

ChST does not use daylight saving time. The offset stays UTC+10 all year.

Sunrise and sunset in ChST today

Sunrise 06:15 · Sunset 17:53

Daylight 11h 37m · Solar noon 12:04

What time zone is ChST in?

ChST is on Chamorro Time (ChST, UTC+10). The IANA identifier is Pacific/Guam.

Does ChST observe daylight saving time?

No. ChST keeps UTC+10 all year, so its time difference with places that do change their clocks shifts by an hour twice a year.

Time in ChST vs major world cities

CityLocal timeDifference from ChST
New York Wed15 hours behind
Los Angeles Wed18 hours behind
London Wed10 hours behind
Paris Wed9 hours behind
Dubai Wed6 hours behind
Mumbai Wed4.5 hours behind
Singapore Wed2 hours behind
Tokyo Wed1 hour behind
Sydney Wed1 hour ahead
Johannesburg Wed8 hours behind
São Paulo Wed13 hours behind
Chicago Wed16 hours behind

November 2026 calendar for ChST

MonTueWedThuFriSatSun
1
2345678
9101112131415
16171819202122
23242526272829
30

Frequently asked questions about ChST

What time zone is ChST in?
Chamorro Time (ChST), UTC+10; IANA zone Pacific/Guam.
Does ChST have daylight saving time?
No, it stays on UTC+10 all year.