Honolulu to Guam time converter

Guam is 20 hours ahead of Honolulu. When it is 9:00 AM in Honolulu, it is 5:00 AM (Mon, Oct 19) in Guam.

Honolulu HST

Sunday, October 18, 2026

Guam ChST

Monday, October 19, 2026

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

Honolulu to Guam conversion table

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

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

Best time to call or meet

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

Daylight saving time and the difference

The difference stays 20 hours all year.

More conversions

Guam to HonoluluHonolulu to New YorkHonolulu to LondonHonolulu to Los AngelesHonolulu to ChicagoHonolulu to TorontoHonolulu to São PauloHonolulu to ParisHonolulu to BerlinHonolulu to MoscowHonolulu to DubaiHonolulu to New DelhiHonolulu to Bangkok
New York to GuamLondon to GuamLos Angeles to GuamChicago to GuamToronto to GuamSão Paulo to GuamParis to GuamBerlin to GuamMoscow to GuamDubai to GuamNew Delhi to GuamBangkok to Guam

Questions and answers

What is the time difference between Honolulu and Guam?

Guam is 20 hours ahead of Honolulu.

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

When it is 9:00 AM in Honolulu, it is 5:00 AM (Mon, Oct 19) in Guam.

When is the best time to call Guam from Honolulu?

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

Does the time difference between Honolulu and Guam change?

No. The difference stays 20 hours all year.