Sydney to Sumber time converter

Sumber is 4 hours behind Sydney. When it is 9:00 AM in Sydney, it is 5:00 AM in Sumber.

Sydney AEDT

Sunday, October 18, 2026

Sumber WIB

Sunday, October 18, 2026

Sydney
New South Wales, Australia
Sun, Oct 18
AEDTUTC+11
Sumber
Indonesia
Sun, Oct 18
WIBUTC+7-4h
Finding your time zone…
Shared working hours (9:00–18:00)

Sydney to Sumber conversion table

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

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

Best time to call or meet

Both sides are at work from 1:00 PM – 6:00 PM in Sydney (9:00 AM – 2:00 PM in Sumber).

Daylight saving time and the difference

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

  • Oct 18, 2026 – Apr 4, 2027: -4h
  • Apr 4, 2027 – Oct 3, 2027: -3h
  • Oct 3, 2027 – Oct 18, 2027: -4h

Distance

Sydney and Sumber are 5,318 km (3,304 miles) apart in a straight line.

More conversions

Sumber 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 SumberLondon to SumberLos Angeles to SumberChicago to SumberToronto to SumberSão Paulo to SumberParis to SumberBerlin to SumberMoscow to SumberDubai to SumberNew Delhi to SumberBangkok to Sumber

Questions and answers

What is the time difference between Sydney and Sumber?

Sumber is 4 hours behind Sydney.

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

When it is 9:00 AM in Sydney, it is 5:00 AM in Sumber.

When is the best time to call Sumber from Sydney?

Both sides are at work from 1:00 PM – 6:00 PM in Sydney (9:00 AM – 2:00 PM in Sumber).

Does the time difference between Sydney and Sumber change?

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