Moon: 52.3%Third QuarterUnincorp. Org. Territory: GuamLong Name: Territory of GuamCountry: USAAbbreviations: GU, GUMTime Zones: 1Dial Code: +1↑ Sunrise and ↓ Sunset in Guam (1 Location)Hagåtña↑ 6:30 am↓ 5:52 pm