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Asan, Guam

Asan uses Chamorro Standard Time, ten hours ahead of UTC. Guam keeps this time throughout the year, without a daylight-saving change.

Asan-Maina Village, Guam

Friday, 4 September 2026

UTC+10 · Pacific/Guam

Time and sun data for Asan-Maina Village — the largest city of Asan

The sun in Asan-Maina Village

Sunrise 06:11 Solar noon 12:22 Sunset 18:32 Daylight 12 h 21 min Night 11 h 39 min Civil twilight 05:50 – 18:54

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Current time in Asan, Guam

The local zone is ChST, or UTC+10. A UTC time becomes Asan time by adding ten hours. If the calculation reaches or exceeds midnight, the local date moves forward, an important detail when scheduling across the International Date Line and distant time zones.

Asan shares its clock with all other Guam villages. Traveling to Hagåtña, Dededo, Tamuning, or southern Guam does not involve any time-zone change. Devices configured for Guam should therefore show a consistent hour everywhere on the island.

Asan’s clock is uncomplicated; explaining its calendar date to someone far away is the real advanced course.

Asan-Maina and surrounding Guam

Asan forms part of the municipality known as Asan-Maina. The area lies west of central Guam and near Hagåtña. It is better described as a village or municipality than as a large city, while Guam’s larger population centers include Dededo, Yigo, Tamuning, and Mangilao.

For reliable local lookups, follow these steps: Select Asan or Asan-Maina when the database offers either entry. Verify that the map marker lies on Guam. Use ChST or UTC+10 for the clock setting. Enter the actual coordinates when exact solar timing matters.

A Hagåtña time reading will match Asan’s civil time. A Hagåtña sunrise value may be close, but a direct calculation for Asan is a better choice for an event tied to daylight.

Reading sunrise and twilight information

Sunrise is a calculated moment based on the date, coordinates, and a standard definition of the horizon. The first direct sunlight seen by an observer can occur later if hills, trees, buildings, or cloud cover block the view.

Dawn precedes sunrise and includes different twilight stages. Evening twilight follows sunset. These periods explain why outdoor light does not switch on and off at the listed solar times. They are valuable when planning a walk, ceremony, photograph, or departure that needs natural visibility.

Asan’s western position makes the local horizon particularly relevant to sunset observations. Still, a view from the shoreline will differ from one near rising ground. A general village value provides orientation, while coordinates describe a specific observation point more accurately.

When sharing a sunrise time, attach its date and label it as local Guam time. Without that context, a recipient may interpret the number in UTC or in their own zone. For remote appointments, avoid using sunrise as shorthand altogether; provide a conventional time with ChST and UTC+10.

Questions and answers

Is Asan in Chamorro Standard Time?
Yes. Asan uses ChST, which is UTC+10.
Does the time differ between Asan and Hagåtña?
No. Both places follow the same Guam-wide civil time.
Why should sunrise be calculated for an exact location?
Coordinates refine the astronomical result, while terrain determines when the sun becomes visible from the ground.
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