Mangilao, Guam
Mangilao’s local clock is Chamorro Standard Time, fixed at UTC+10. Guam does not use daylight saving time, so Mangilao keeps the same UTC offset in every season.
Mangilao Village, Guam
Friday, 4 September 2026
UTC+10 · Pacific/Guam
Time and sun data for Mangilao Village — the largest city of Mangilao
The sun in Mangilao Village
Sunrise 06:11 Solar noon 12:21 Sunset 18:32 Daylight 12 h 21 min Night 11 h 39 min Civil twilight 05:49 – 18:53
Guam · 8 cities
Largest cities
- Mangilao Village 15 191
- Adacao 3 638
All cities
- Adacao
- Andersen AFB Andy South Housing
- Latte Heights
- Latte Plantation
- Leyan
- Mangilao Municipality
- Mangilao Village
- Tai
Current time in Mangilao, Guam
There is no time difference between Mangilao and another place on Guam. The island uses a single zone, allowing residents, campuses, offices, and visitors to coordinate locally without converting between village clocks.
UTC provides the simplest reference for international scheduling. Add ten hours to UTC to reach Mangilao time. If the total passes midnight, advance the calendar date. Subtract ten hours to turn a Mangilao time into UTC.
Zone name: Chamorro Standard Time Short form: ChST Fixed offset: UTC+10 Daylight saving time: no Clock change during the year: no Mangilao keeps one clock all year; the complicated part is usually the other participant’s calendar.
Mangilao and Guam’s population centers
Mangilao is a village and municipality in central-eastern Guam. It is part of the same regional time system as the capital and the island’s other communities. Local boundaries affect administration and place names, not the hour shown on the clock.
Guam is commonly described through villages rather than incorporated cities. When a directory asks for the largest cities, it may present village population centers instead. Dededo, Yigo, and Tamuning are among the larger communities, while Hagåtña is the capital. Mangilao is locally significant but shares their time without exception.
For schedules intended for people across Guam, “local time” is normally enough. For readers overseas, adding “ChST” or “UTC+10” prevents confusion with other places that use similar abbreviations or different seasonal rules.
Sunrise on the eastern side of Guam
Mangilao’s position on the eastern side of Guam makes sunrise especially relevant to morning plans, but an exact value still depends on the date and coordinates. Sunrise is not a permanent daily appointment at one clock time.
A calculated value assumes an astronomical horizon and a standard definition of sunrise. The first visible sunlight at a particular location may occur later because of hills, structures, vegetation, or clouds. Conversely, the sky begins brightening before the published sunrise.
Use Mangilao as the selected location. Confirm the calendar date after any international conversion. Read dawn and sunrise as different events. Allow additional time if the viewing point has a blocked horizon.
Questions and answers
- What is Mangilao’s UTC offset?
- Mangilao uses UTC+10.
- Is Mangilao on a different clock from Hagåtña?
- No. Both follow Chamorro Standard Time.
- Why might the Sun appear after the listed sunrise?
- The calculated event uses an ideal horizon, while terrain, buildings, vegetation, or clouds may block the actual view.