National City to Sydney time converter

Sydney is 18 hours ahead of National City. When it is 9:00 AM in National City, it is 3:00 AM (Wed, Oct 21) in Sydney.

National City PDT

Tuesday, October 20, 2026

Sydney AEDT

Wednesday, October 21, 2026

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

National City to Sydney conversion table

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

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

Best time to call or meet

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

Daylight saving time and the difference

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

  • Oct 20, 2026 – Nov 1, 2026: +18h
  • Nov 1, 2026 – Mar 14, 2027: +19h
  • Mar 14, 2027 – Apr 3, 2027: +18h
  • Apr 3, 2027 – Oct 2, 2027: +17h
  • Oct 2, 2027 – Oct 20, 2027: +18h

Distance

National City and Sydney are 12,093 km (7,514 miles) apart in a straight line.

More conversions

Sydney to National CityNational City to New YorkNational City to LondonNational City to Los AngelesNational City to ChicagoNational City to TorontoNational City to São PauloNational City to ParisNational City to BerlinNational City to MoscowNational City to DubaiNational City to New DelhiNational City to Bangkok
New York to SydneyLondon to SydneyLos Angeles to SydneyChicago to SydneyToronto to SydneySão Paulo to SydneyParis to SydneyBerlin to SydneyMoscow to SydneyDubai to SydneyNew Delhi to SydneyBangkok to Sydney

Questions and answers

What is the time difference between National City and Sydney?

Sydney is 18 hours ahead of National City.

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

When it is 9:00 AM in National City, it is 3:00 AM (Wed, Oct 21) in Sydney.

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

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

Does the time difference between National City and Sydney change?

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