Guam to Honolulu time converter

Honolulu is 20 hours behind Guam. When it is 9:00 AM in Guam, it is 1:00 PM (Sun, Oct 18) in Honolulu.

Guam ChST

Monday, October 19, 2026

Honolulu HST

Sunday, October 18, 2026

Guam
Mon, Oct 19
ChSTUTC+10
Honolulu
Hawaii, United States
Sun, Oct 18
HSTUTC-10-20h
Finding your time zone…
Shared working hours (9:00–18:00)

Guam to Honolulu conversion table

Every hour of today in Guam and the matching time in Honolulu. Light rows are typical working hours (9:00–18:00).

GuamHonolulu
12:00 AM4:00 AM−1 day
1:00 AM5:00 AM−1 day
2:00 AM6:00 AM−1 day
3:00 AM7:00 AM−1 day
4:00 AM8:00 AM−1 day
5:00 AM9:00 AM−1 day
6:00 AM10:00 AM−1 day
7:00 AM11:00 AM−1 day
8:00 AM12:00 PM−1 day
9:00 AM1:00 PM−1 day
10:00 AM2:00 PM−1 day
11:00 AM3:00 PM−1 day
12:00 PM4:00 PM−1 day
1:00 PM5:00 PM−1 day
2:00 PM6:00 PM−1 day
3:00 PM7:00 PM−1 day
4:00 PM8:00 PM−1 day
5:00 PM9:00 PM−1 day
6:00 PM10:00 PM−1 day
7:00 PM11:00 PM−1 day
8:00 PM12:00 AM
9:00 PM1:00 AM
10:00 PM2:00 AM
11:00 PM3:00 AM

Best time to call or meet

Both sides are at work from 9:00 AM – 2:00 PM in Guam (1:00 PM – 6:00 PM in Honolulu).

Daylight saving time and the difference

The difference stays 20 hours all year.

More conversions

Honolulu to GuamGuam to New YorkGuam to LondonGuam to Los AngelesGuam to ChicagoGuam to TorontoGuam to São PauloGuam to ParisGuam to BerlinGuam to MoscowGuam to DubaiGuam to New DelhiGuam to Bangkok
New York to HonoluluLondon to HonoluluLos Angeles to HonoluluChicago to HonoluluToronto to HonoluluSão Paulo to HonoluluParis to HonoluluBerlin to HonoluluMoscow to HonoluluDubai to HonoluluNew Delhi to HonoluluBangkok to Honolulu

Questions and answers

What is the time difference between Guam and Honolulu?

Honolulu is 20 hours behind Guam.

What time is it in Honolulu when it is 9 AM in Guam?

When it is 9:00 AM in Guam, it is 1:00 PM (Sun, Oct 18) in Honolulu.

When is the best time to call Honolulu from Guam?

Both sides are at work from 9:00 AM – 2:00 PM in Guam (1:00 PM – 6:00 PM in Honolulu).

Does the time difference between Guam and Honolulu change?

No. The difference stays 20 hours all year.