Foster City to Hong Kong time converter

Hong Kong is 15 hours ahead of Foster City. When it is 9:00 AM in Foster City, it is 12:00 AM (Thu, Oct 22) in Hong Kong.

Foster City PDT

Wednesday, October 21, 2026

Hong Kong HKT

Wednesday, October 21, 2026

Foster City
California, United States
Wed, Oct 21
PDTUTC-7
Hong Kong
Wed, Oct 21
HKTUTC+8+15h
Finding your time zone…
Shared working hours (9:00–18:00)

Foster City to Hong Kong conversion table

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

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

Best time to call or meet

Working hours don't overlap fully. The closest fit is 4:00 PM – 6:00 PM in Foster City (7:00 AM – 9:00 AM in Hong Kong): working hours on one side, early or late on the other.

Daylight saving time and the difference

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

  • Oct 21, 2026 – Nov 1, 2026: +15h
  • Nov 1, 2026 – Mar 14, 2027: +16h
  • Mar 14, 2027 – Oct 21, 2027: +15h

More conversions

Hong Kong 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 Hong KongLondon to Hong KongLos Angeles to Hong KongChicago to Hong KongToronto to Hong KongSão Paulo to Hong KongParis to Hong KongBerlin to Hong KongMoscow to Hong KongDubai to Hong KongNew Delhi to Hong KongBangkok to Hong Kong

Questions and answers

What is the time difference between Foster City and Hong Kong?

Hong Kong is 15 hours ahead of Foster City.

What time is it in Hong Kong when it is 9 AM in Foster City?

When it is 9:00 AM in Foster City, it is 12:00 AM (Thu, Oct 22) in Hong Kong.

When is the best time to call Hong Kong from Foster City?

Working hours don't overlap fully. The closest fit is 4:00 PM – 6:00 PM in Foster City (7:00 AM – 9:00 AM in Hong Kong): working hours on one side, early or late on the other.

Does the time difference between Foster City and Hong Kong change?

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