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Tamuning, Guam

Tamuning follows Chamorro Standard Time, UTC+10, throughout the year. Guam does not observe daylight saving time, so Tamuning’s offset remains fixed while the time difference with places that change their clocks may vary.

Tamuning-Tumon-Harmon Village, Guam

Friday, 4 September 2026

UTC+10 · Pacific/Guam

Time and sun data for Tamuning-Tumon-Harmon Village — the largest city of Tamuning

The sun in Tamuning-Tumon-Harmon Village

Sunrise 06:11 Solar noon 12:22 Sunset 18:32 Daylight 12 h 21 min Night 11 h 39 min Civil twilight 05:49 – 18:54

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Current time in Tamuning, Guam

The current local time in Tamuning is the same as everywhere else on Guam. A clock for this page should use the Pacific/Guam time-zone identifier, which applies the island’s established UTC+10 offset without seasonal clock changes.

Tamuning lies west of the International Date Line and is often a calendar day ahead of locations in the Americas. When arranging a call, check both the hour and the date at each end. This matters especially around midnight, when one participant may already be on tomorrow’s date.

Because Guam keeps one time across the island, travel between Tamuning and another Guam village requires no watch adjustment. Airport pickups, hotel bookings, restaurant reservations, and local appointments can all be interpreted in the same island time unless another zone is explicitly named.

On Guam, the clock stays put; it is the overseas caller’s calendar that tends to cause the mischief.

Tamuning and other places on Guam

Tamuning is a municipality and village area of Guam rather than a state in the mainland United States sense. It includes a busy commercial district and the Tumon visitor area. Guam’s compact geography means nearby communities share both the same legal time and broadly similar daylight patterns.

Useful Guam places to compare on a world clock include: Dededo, a major population center in northern Guam Yigo, occupying much of the island’s north Hagåtña, Guam’s capital Mangilao, on the central-eastern side of the island

Yona, southeast of the central area These names are useful for orientation, but none requires a separate time-zone conversion. If a device shows different local times for two Guam communities, one of its location settings is probably wrong.

Sunrise and daylight in Tamuning

Sunrise is not fixed to one clock time. It shifts over the year because Earth’s position relative to the Sun changes. The correct value also depends on the selected date and the coordinates used by the calculator. A daily sunrise display is therefore more useful than a permanent value written into a description.

For planning, distinguish among sunrise, first light, and civil dawn. Sunrise marks the calculated appearance of the Sun’s upper edge at the horizon. Civil dawn begins earlier, when outdoor light may already be useful. Buildings, hills, clouds, and the actual horizon can change when direct sunlight becomes visible from a particular spot.

Confirm that the page is set to Tamuning rather than a similarly named location. Check the displayed date, particularly when viewing from across the International Date Line. Use sunrise for a general plan and allow extra time for local weather and obstructions.

Sunset and total daylight should be read for the same date as sunrise. Combining values from different dates can produce a misleading schedule even though each value is individually valid.

Questions and answers

What time zone is Tamuning in?
Tamuning is in Chamorro Standard Time, represented by Pacific/Guam and set at UTC+10.
Does Tamuning change clocks for daylight saving time?
No. Guam does not observe daylight saving time, so Tamuning keeps the same UTC offset year-round.
Is Tamuning on the same time as Hagåtña and Dededo?
Yes. All communities on Guam use the same local time.
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