Williamstown in numbers
- Coordinates
- -34.6721, 138.8910
- Population
- 2 689
- Region
- South Australia
- Country
- Australia, Oceania
- Capital
- Canberra — 935 km away
- Same name
- 25 more places in the world share this name
What time is it in Williamstown, South Australia, Australia
The current hour and minute in Williamstown, South Australia, Australia are shown here, in the Australia/Adelaide zone (+10:30).
Williamstown, Australia
Tuesday, 27 October 2026
UTC+10:30 · Australia/Adelaide
Local time in Williamstown
UTC+10:30 · daylight saving time is active
Local time in Williamstown, South Australia.
The sun today
Sunrise 6:20 AM Solar noon 12:59 PM Sunset 7:39 PM Daylight 13 h 20 min Night 10 h 40 min Civil twilight 5:53 AM – 8:06 PM
Weather in Williamstown right now
Loading the current weather…
Weather data by Open-Meteo, updated every 30 minutes.
Williamstown and its neighbours
Postal codes
- 3016
- 5351
- 6430
Postal codes come from the free GeoNames dataset. Where a code is listed with a distance, it belongs to a nearby settlement — GeoNames spells that name differently from ours.
Largest cities in South Australia
- Adelaide 1 469 163
- Adelaide Hills 72 260
- Mount Gambier 25 591
- Morphett Vale 24 002
- Mount Barker 21 554
- Whyalla 20 880
Other places named Williamstown
- Williamstown New Jersey, United States
- Williamstown Victoria, Australia
- Williamstown Massachusetts, United States
- Williamstown Kentucky, United States
- Williamstown West Virginia, United States
Same time zone — Australia/Adelaide
- Adelaide Australia
Nearby places
- Barossa Goldfields — 5.6 km
- Cockatoo Valley — 7.2 km
- Mount Crawford — 7.4 km
- Yattalunga — 8.1 km
- Pewsey Vale — 9.3 km
- Kalbeeba — 10.4 km
Local time details for Williamstown
People in Williamstown keep Australia/Adelaide, a zone offset of UTC+10:30. Seasonal time change: Yes.
Sunrise time for Williamstown today is 6:20 AM; sunset time is 7:39 PM. Daylight fills 13 h 20 min.
No adjustment is needed moving between Williamstown, Barossa Goldfields and Cockatoo Valley.
3 codes are used to address mail in Williamstown.
Questions and answers
- What time zone does Williamstown observe?
- Williamstown observes Australia/Adelaide, whose offset is +10:30.
- Does the clock in Williamstown stay the same all year?
- Daylight saving time in Williamstown: Yes.
- What are sunrise and sunset in Williamstown today?
- Sunrise 6:20 AM, sunset 7:39 PM.