Daylight Savings Time Changes in Guam 🇬🇺 (1971)
| Country: | Guam |
| Capital: | Hagatna |
| Abbreviations: | GU, GUM |
| IANA Time Zones: | 1 |
| Dial Code: | ++1-671 |
Daylight Savings Time Schedule and Information
Before
01
:
59
After
03
:
00
25 APR
25 Apr 1971 - Daylight Saving Time Starts
When local standard time is about to reach Sunday, 25 April 1971, 01:59 clocks are turned forward 1 hour to
Sunday, 25 April 1971, 03:00 local daylight time instead.
Sunrise and sunset will be about 1 hour later on 25 Apr 1971 than the day before. There will be more light in the evening.
Also called Spring Forward.
Before
01
:
59
After
01
:
00
5 SEP
05 Sep 1971 - Daylight Saving Time Ends
When local standard time is about to reach Sunday, 05 September 1971, 01:59 clocks are turned backward 1 hour to
Sunday, 05 September 1971, 01:00 local standard time instead.
Sunrise and sunset will be about 1 hour earlier on 05 Sep 1971 than the day before. There will be more light in the morning.
Also called Fall Back.
Daylight Savings Time Schedules by Regions in Guam (1971)
| Region | DST Start (Spring) | DST End (Fall) |
|---|---|---|
| Agana Heights | 25 Apr 1971 | 05 Sep 1971 |
| Agat | 25 Apr 1971 | 05 Sep 1971 |
| Asan | 25 Apr 1971 | 05 Sep 1971 |
| Barrigada | 25 Apr 1971 | 05 Sep 1971 |
| Chalan Pago-Ordot | 25 Apr 1971 | 05 Sep 1971 |
| Dededo | 25 Apr 1971 | 05 Sep 1971 |
| Hagatna | 25 Apr 1971 | 05 Sep 1971 |
| Inarajan | 25 Apr 1971 | 05 Sep 1971 |
| Mangilao | 25 Apr 1971 | 05 Sep 1971 |
| Merizo Municipality | 25 Apr 1971 | 05 Sep 1971 |
| Mongmong-Toto-Maite Municipality | 25 Apr 1971 | 05 Sep 1971 |
| Piti Municipality | 25 Apr 1971 | 05 Sep 1971 |
| Santa Rita Municipality | 25 Apr 1971 | 05 Sep 1971 |
| Sinajana Municipality | 25 Apr 1971 | 05 Sep 1971 |
| Talofofo Municipality | 25 Apr 1971 | 05 Sep 1971 |
| Tamuning | 25 Apr 1971 | 05 Sep 1971 |
| Umatac | 25 Apr 1971 | 05 Sep 1971 |
| Yigo | 25 Apr 1971 | 05 Sep 1971 |
| Yona | 25 Apr 1971 | 05 Sep 1971 |
DST Changes Summary for Guam
| Date | Year | Change | Time | Details |
|---|---|---|---|---|
| 28 Aug | 1977 | Back 1 hour | 01:59 ➜ 01:00 | Daylight Saving End |
Read More About Daylight Savings Time
Common Questions about Daylight Savings Time Changes in Guam
Does Guam use Daylight Saving Time in 1971?
Yes, Guam observes Daylight Saving Time during the 1971 calendar year. The country follows the practice of shifting clocks to better align waking hours with the available evening sunlight during the spring and summer months.
When do the clocks change next in Guam?
The next scheduled time transition in Guam will take place on Sunday, 25 April 1971. At 01:59 local time, clocks will be turned forward by 1 hour. This specific change marks the transition to daylight saving time starts.
Does all of Guam follow the same time change schedule?
Yes, Guam follows a single, unified schedule. Every region across the country transitions to and from Daylight Saving Time at the exact same moment, ensuring a consistent time standard nationwide.
How will the next transition affect the day in Guam?
Following the shift on 25 Apr 1971, you will notice that there is more light in the evening compared to the day before. While the transition may temporarily disrupt sleep patterns, the primary goal of this forward shift is to maximize usable daylight for the population.