Saipan

Pacific • Saipan

Northern Mariana Islands

Current local time

14:05:11

Sunday, May 31, 2026

UTC offset

UTC+10:00

No daylight saving changes

Saipan does not observe daylight saving time. Clocks stay on UTC+10:00 all year long.

Timezone details

Identifier
Abbreviation
—
Transitioned
May 31, 2021 at 11:00 AM
Featured city
Saipan

Location

Latitude
15.2
Longitude
145.75
Country
Northern Mariana Islands

Chamorro Standard Time (CHST)

FAQs

Chamorro Standard Time (ChST) keeps Guam and the Northern Mariana Islands on a consistent UTC+10:00 year-round — no daylight saving shifts to worry about. Life here runs on island time in the truest sense: sunny, steady, and reliably ten hours ahead of UTC.

  • Why doesn’t Chamorro Standard Time observe daylight saving?

    Because Guam and the Northern Mariana Islands are close to the equator, day length stays fairly constant year-round, making daylight saving unnecessary for energy savings or lifestyle adjustments.

  • What places use Chamorro Standard Time?

    Only two U.S. territories in the western Pacific: Guam and the Northern Mariana Islands, both of which stay on ChST permanently.

  • Is Chamorro Standard Time the same as Australian Eastern Standard Time?

    They share the same UTC+10:00 offset, but Australian states may observe daylight saving, while ChST does not—so they diverge during parts of the year.

  • How does business scheduling work across time zones with ChST?

    Since ChST is fixed at UTC+10:00 with no DST, scheduling stays predictable—just remember it’s often early morning in ChST when it’s business hours in the U.S. East Coast.

  • What’s unique about Chamorro Standard Time’s history?

    ChST was formally adopted in 2000 when Guam aligned with the Northern Mariana Islands, replacing older local time standards to simplify regional coordination.

  • Does Chamorro Standard Time ever change clocks?

    No—ChST is fixed year-round. There are no spring-forward or fall-back transitions, making it one of the simplest time zones in the Pacific.

  • How does ChST relate to the International Date Line?

    Being at UTC+10:00 places ChST just west of the Date Line, so it’s among the first places on Earth to welcome a new day—often ahead of mainland Asia and Oceania.

  • Can I rely on ChST for long-term planning?

    Absolutely. With no DST and minimal political or geographic complexity, ChST offers stable, predictable timekeeping ideal for travel, logistics, or remote collaboration.