Sydney to Ob time converter

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

Sydney AEDT

Sunday, October 18, 2026

Ob NOVT

Sunday, October 18, 2026

Sydney
New South Wales, Australia
Sun, Oct 18
AEDTUTC+11
Ob
Novosibirsk Oblast, Russia
Sun, Oct 18
NOVTUTC+7-4h
Finding your time zone…
Shared working hours (9:00–18:00)

Sydney to Ob conversion table

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

SydneyOb
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 Ob).

Daylight saving time and the difference

The difference changes during the year because Sydney and Ob 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 Ob are 11,827 km (7,349 miles) apart in a straight line.

More conversions

Ob 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 ObLondon to ObLos Angeles to ObChicago to ObToronto to ObSão Paulo to ObParis to ObBerlin to ObMoscow to ObDubai to ObNew Delhi to ObBangkok to Ob

Questions and answers

What is the time difference between Sydney and Ob?

Ob is 4 hours behind Sydney.

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

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

When is the best time to call Ob from Sydney?

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

Does the time difference between Sydney and Ob change?

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