Moon: 0.2%Waning CrescentUnincorp. Org. Territory: GuamLong Name: Territory of GuamCountry: USAAbbreviations: GU, GUMTime Zones: 1Dial Code: +1↑ Sunrise and ↓ Sunset in Guam (1 Location)Hagåtña↑ 5:56 am↓ 6:38 pm