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CHST — Chamorro Standard Time

Guam & Northern Marianas

10:15:22am
10:15 on a 24-hour clock

Thursday, 13th August 2026

UTC+10 Pacific/Guam

What CHST actually is

UTC+10, all year — a US time zone on the far side of the date line from the mainland.

Careful: Guam & Northern Marianas is not on CHST at the moment. It is currently ChST (UTC+10) because of daylight saving.

Daylight saving

Clocks here do not change — this zone stays on the same offset all year.

Convert CHST

CHST to EST CHST to PST CHST to IST CHST to CET CHST to London CHST to New York Convert to anywhere

Looking for UTC and GMT developer tooling — epoch conversion, ISO 8601, a free time API? That lives on our sibling site utctime.app.

Other abbreviations

All time zones → Everywhere at UTC+10

Questions people ask

What time is it in CHST right now?

10:15 am (10:15) on Thursday, 13th August 2026, for Guam & Northern Marianas.

What does CHST stand for?

Chamorro Standard Time. UTC+10, all year — a US time zone on the far side of the date line from the mainland.

What is the UTC offset of CHST?

Guam & Northern Marianas: UTC+10.