Daylight Savings Time Changes in Guam 🇬🇺 (1977)

Next change:
APR
24
1 hour Forward
24 Apr 1977, 01:59
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
24 APR

24 Apr 1977 - Daylight Saving Time Starts

When local standard time is about to reach Sunday, 24 April 1977, 01:59 clocks are turned forward 1 hour to
Sunday, 24 April 1977, 03:00 local daylight time instead.

Sunrise and sunset will be about 1 hour later on 24 Apr 1977 than the day before. There will be more light in the evening.

Also called Spring Forward.

Before
01
:
59
After
01
:
00
28 AUG

28 Aug 1977 - Daylight Saving Time Ends

When local standard time is about to reach Sunday, 28 August 1977, 01:59 clocks are turned backward 1 hour to
Sunday, 28 August 1977, 01:00 local standard time instead.

Sunrise and sunset will be about 1 hour earlier on 28 Aug 1977 than the day before. There will be more light in the morning.

Also called Fall Back.

Daylight Savings Time Schedules by Regions in Guam (1977)

RegionDST Start (Spring)DST End (Fall)
Agana Heights 24 Apr 1977 28 Aug 1977
Agat 24 Apr 1977 28 Aug 1977
Asan 24 Apr 1977 28 Aug 1977
Barrigada 24 Apr 1977 28 Aug 1977
Chalan Pago-Ordot 24 Apr 1977 28 Aug 1977
Dededo 24 Apr 1977 28 Aug 1977
Hagatna 24 Apr 1977 28 Aug 1977
Inarajan 24 Apr 1977 28 Aug 1977
Mangilao 24 Apr 1977 28 Aug 1977
Merizo Municipality 24 Apr 1977 28 Aug 1977
Mongmong-Toto-Maite Municipality 24 Apr 1977 28 Aug 1977
Piti Municipality 24 Apr 1977 28 Aug 1977
Santa Rita Municipality 24 Apr 1977 28 Aug 1977
Sinajana Municipality 24 Apr 1977 28 Aug 1977
Talofofo Municipality 24 Apr 1977 28 Aug 1977
Tamuning 24 Apr 1977 28 Aug 1977
Umatac 24 Apr 1977 28 Aug 1977
Yigo 24 Apr 1977 28 Aug 1977
Yona 24 Apr 1977 28 Aug 1977

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 1977?

Yes, Guam observes Daylight Saving Time during the 1977 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, 24 April 1977. 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 24 Apr 1977, 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.

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