Sydney to National City time converter

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

Sydney AEDT

Wednesday, October 21, 2026

National City PDT

Wednesday, October 21, 2026

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

Sydney to National City conversion table

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

SydneyNational 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 National City).

Daylight saving time and the difference

The difference changes during the year because Sydney and National 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 National City are 12,093 km (7,514 miles) apart in a straight line.

More conversions

National 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 National CityLondon to National CityLos Angeles to National CityChicago to National CityToronto to National CitySão Paulo to National CityParis to National CityBerlin to National CityMoscow to National CityDubai to National CityNew Delhi to National CityBangkok to National City

Questions and answers

What is the time difference between Sydney and National City?

National City is 18 hours behind Sydney.

What time is it in National 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 National City.

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

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

Does the time difference between Sydney and National City change?

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