Sydney to Surabaya time converter

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

Sydney AEDT

Monday, October 19, 2026

Surabaya WIB

Monday, October 19, 2026

Sydney
New South Wales, Australia
Mon, Oct 19
AEDTUTC+11
Surabaya
Indonesia
Mon, Oct 19
WIBUTC+7-4h
Finding your time zone…
Shared working hours (9:00–18:00)

Sydney to Surabaya conversion table

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

SydneySurabaya
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 Surabaya).

Daylight saving time and the difference

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

  • Oct 19, 2026 – Apr 4, 2027: -4h
  • Apr 4, 2027 – Oct 3, 2027: -3h
  • Oct 3, 2027 – Oct 19, 2027: -4h

Distance

Sydney and Surabaya are 4,929 km (3,063 miles) apart in a straight line.

More conversions

Surabaya 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 SurabayaLondon to SurabayaLos Angeles to SurabayaChicago to SurabayaToronto to SurabayaSão Paulo to SurabayaParis to SurabayaBerlin to SurabayaMoscow to SurabayaDubai to SurabayaNew Delhi to SurabayaBangkok to Surabaya

Questions and answers

What is the time difference between Sydney and Surabaya?

Surabaya is 4 hours behind Sydney.

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

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

When is the best time to call Surabaya from Sydney?

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

Does the time difference between Sydney and Surabaya change?

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