Foster City to Honolulu time converter

Honolulu is 3 hours behind Foster City. When it is 9:00 AM in Foster City, it is 6:00 AM in Honolulu.

Foster City PDT

Monday, October 19, 2026

Honolulu HST

Monday, October 19, 2026

Foster City
California, United States
Mon, Oct 19
PDTUTC-7
Honolulu
Hawaii, United States
Mon, Oct 19
HSTUTC-10-3h
Finding your time zone…
Shared working hours (9:00–18:00)

Foster City to Honolulu conversion table

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

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

Best time to call or meet

Both sides are at work from 12:00 PM – 6:00 PM in Foster City (9:00 AM – 3:00 PM in Honolulu).

Daylight saving time and the difference

The difference changes during the year because Foster City and Honolulu switch clocks on different dates:

  • Oct 19, 2026 – Nov 1, 2026: -3h
  • Nov 1, 2026 – Mar 14, 2027: -2h
  • Mar 14, 2027 – Oct 19, 2027: -3h

Distance

Foster City and Honolulu are 3,859 km (2,398 miles) apart in a straight line.

More conversions

Honolulu to Foster CityFoster City to New YorkFoster City to LondonFoster City to Los AngelesFoster City to ChicagoFoster City to TorontoFoster City to São PauloFoster City to ParisFoster City to BerlinFoster City to MoscowFoster City to DubaiFoster City to New DelhiFoster City 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 Foster City and Honolulu?

Honolulu is 3 hours behind Foster City.

What time is it in Honolulu when it is 9 AM in Foster City?

When it is 9:00 AM in Foster City, it is 6:00 AM in Honolulu.

When is the best time to call Honolulu from Foster City?

Both sides are at work from 12:00 PM – 6:00 PM in Foster City (9:00 AM – 3:00 PM in Honolulu).

Does the time difference between Foster City and Honolulu change?

Yes, for part of the year, because daylight saving time starts and ends on different dates or applies on one side only.