Sydney to Kertosono time converter

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

Sydney AEDT

Monday, October 19, 2026

Kertosono WIB

Monday, October 19, 2026

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

Sydney to Kertosono conversion table

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

SydneyKertosono
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 Kertosono).

Daylight saving time and the difference

The difference changes during the year because Sydney and Kertosono 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 Kertosono are 4,958 km (3,081 miles) apart in a straight line.

More conversions

Kertosono 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 KertosonoLondon to KertosonoLos Angeles to KertosonoChicago to KertosonoToronto to KertosonoSão Paulo to KertosonoParis to KertosonoBerlin to KertosonoMoscow to KertosonoDubai to KertosonoNew Delhi to KertosonoBangkok to Kertosono

Questions and answers

What is the time difference between Sydney and Kertosono?

Kertosono is 4 hours behind Sydney.

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

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

When is the best time to call Kertosono from Sydney?

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

Does the time difference between Sydney and Kertosono change?

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