Sydney to Foster City time converter

Foster City is 18 hours behind Sydney. When it is 9:00 AM in Sydney, it is 3:00 PM (Tue, Oct 20) in Foster City.

Sydney AEDT

Wednesday, October 21, 2026

Foster City PDT

Tuesday, October 20, 2026

Sydney
New South Wales, Australia
Wed, Oct 21
AEDTUTC+11
Foster City
California, United States
Tue, Oct 20
PDTUTC-7-18h
Finding your time zone…
Shared working hours (9:00–18:00)

Sydney to Foster City conversion table

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

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

Best time to call or meet

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

Daylight saving time and the difference

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

  • Oct 21, 2026 – Nov 1, 2026: -18h
  • Nov 1, 2026 – Mar 14, 2027: -19h
  • Mar 14, 2027 – Apr 4, 2027: -18h
  • Apr 4, 2027 – Oct 3, 2027: -17h
  • Oct 3, 2027 – Oct 21, 2027: -18h

Distance

Sydney and Foster City are 11,947 km (7,424 miles) apart in a straight line.

More conversions

Foster City to SydneySydney to New YorkSydney to LondonSydney to Los AngelesSydney to ChicagoSydney to TorontoSydney to São PauloSydney to ParisSydney to BerlinSydney to MoscowSydney to DubaiSydney to New DelhiSydney to Bangkok
New York to Foster CityLondon to Foster CityLos Angeles to Foster CityChicago to Foster CityToronto to Foster CitySão Paulo to Foster CityParis to Foster CityBerlin to Foster CityMoscow to Foster CityDubai to Foster CityNew Delhi to Foster CityBangkok to Foster City

Questions and answers

What is the time difference between Sydney and Foster City?

Foster City is 18 hours behind Sydney.

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

When it is 9:00 AM in Sydney, it is 3:00 PM (Tue, Oct 20) in Foster City.

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

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

Does the time difference between Sydney and Foster City change?

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