1970 - 2030
Unincorp. Org. Territory: Guam
Long Name: Territory of Guam
Abbreviations: GU, GUM
Time Zones: 1
Dial Code: +1
Guam currently observes Chamorro Standard Time (ChST) all year.
Daylight Saving Time has never been used here.
Clocks do not change in Guam.
There is no previous DST change in Guam.
Which countries & states use DST and which do not?
Other years: 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025
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