Arcata to Sydney time converter

Sydney is 18 hours ahead of Arcata. When it is 9:00 AM in Arcata, it is 3:00 AM (Sun, Oct 18) in Sydney.

Arcata PDT

Saturday, October 17, 2026

Sydney AEDT

Sunday, October 18, 2026

Arcata
California, United States
Sat, Oct 17
PDTUTC-7
Sydney
New South Wales, Australia
Sun, Oct 18
AEDTUTC+11+18h
Finding your time zone…
Shared working hours (9:00–18:00)

Arcata to Sydney conversion table

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

ArcataSydney
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 Arcata (9:00 AM – 12:00 PM in Sydney).

Daylight saving time and the difference

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

  • Oct 17, 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 17, 2027: +18h

Distance

Arcata and Sydney are 11,994 km (7,453 miles) apart in a straight line.

More conversions

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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 Arcata and Sydney?

Sydney is 18 hours ahead of Arcata.

What time is it in Sydney when it is 9 AM in Arcata?

When it is 9:00 AM in Arcata, it is 3:00 AM (Sun, Oct 18) in Sydney.

When is the best time to call Sydney from Arcata?

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

Does the time difference between Arcata 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.