Sydney to Constantine time converter

Constantine is 10 hours behind Sydney. When it is 9:00 AM in Sydney, it is 11:00 PM (Fri, Oct 16) in Constantine.

Sydney AEDT

Saturday, October 17, 2026

Constantine CET

Saturday, October 17, 2026

Sydney
New South Wales, Australia
Sat, Oct 17
AEDTUTC+11
Constantine
Algeria
Sat, Oct 17
CETUTC+1-10h
Finding your time zone…
Shared working hours (9:00–18:00)

Sydney to Constantine conversion table

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

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

Best time to call or meet

Working hours don't overlap fully. The closest fit is 5:00 PM – 6:00 PM in Sydney (7:00 AM – 8:00 AM in Constantine): working hours on one side, early or late on the other.

Daylight saving time and the difference

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

  • Oct 17, 2026 – Apr 4, 2027: -10h
  • Apr 4, 2027 – Oct 3, 2027: -9h
  • Oct 3, 2027 – Oct 17, 2027: -10h

Distance

Sydney and Constantine are 16,801 km (10,440 miles) apart in a straight line.

More conversions

Constantine 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 ConstantineLondon to ConstantineLos Angeles to ConstantineChicago to ConstantineToronto to ConstantineSão Paulo to ConstantineParis to ConstantineBerlin to ConstantineMoscow to ConstantineDubai to ConstantineNew Delhi to ConstantineBangkok to Constantine

Questions and answers

What is the time difference between Sydney and Constantine?

Constantine is 10 hours behind Sydney.

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

When it is 9:00 AM in Sydney, it is 11:00 PM (Fri, Oct 16) in Constantine.

When is the best time to call Constantine from Sydney?

Working hours don't overlap fully. The closest fit is 5:00 PM – 6:00 PM in Sydney (7:00 AM – 8:00 AM in Constantine): working hours on one side, early or late on the other.

Does the time difference between Sydney and Constantine change?

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