Calcutta to Sydney time converter

Sydney is 9 hours ahead of Calcutta. When it is 9:00 AM in Calcutta, it is 6:00 PM in Sydney.

Calcutta SAST

Monday, October 19, 2026

Sydney AEDT

Monday, October 19, 2026

Calcutta
South Africa
Mon, Oct 19
SASTUTC+2
Sydney
New South Wales, Australia
Mon, Oct 19
AEDTUTC+11+9h
Finding your time zone…
Shared working hours (9:00–18:00)

Calcutta to Sydney conversion table

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

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

Best time to call or meet

Working hours don't overlap fully. The closest fit is 7:00 AM – 9:00 AM in Calcutta (4:00 PM – 6:00 PM in Sydney): working hours on one side, early or late on the other.

Daylight saving time and the difference

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

  • Oct 19, 2026 – Apr 3, 2027: +9h
  • Apr 3, 2027 – Oct 2, 2027: +8h
  • Oct 2, 2027 – Oct 19, 2027: +9h

Distance

Calcutta and Sydney are 10,907 km (6,777 miles) apart in a straight line.

More conversions

Sydney to CalcuttaCalcutta to New YorkCalcutta to LondonCalcutta to Los AngelesCalcutta to ChicagoCalcutta to TorontoCalcutta to São PauloCalcutta to ParisCalcutta to BerlinCalcutta to MoscowCalcutta to DubaiCalcutta to New DelhiCalcutta to Bangkok
New York to SydneyLondon to SydneyLos Angeles to SydneyChicago to SydneyToronto to SydneySão Paulo to SydneyParis to SydneyBerlin to SydneyMoscow to SydneyDubai to SydneyNew Delhi to SydneyBangkok to Sydney

Questions and answers

What is the time difference between Calcutta and Sydney?

Sydney is 9 hours ahead of Calcutta.

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

When it is 9:00 AM in Calcutta, it is 6:00 PM in Sydney.

When is the best time to call Sydney from Calcutta?

Working hours don't overlap fully. The closest fit is 7:00 AM – 9:00 AM in Calcutta (4:00 PM – 6:00 PM in Sydney): working hours on one side, early or late on the other.

Does the time difference between Calcutta and Sydney change?

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