Sydney to Kolkata Time Difference
🇦🇺 Sydney is currently 5.5 hours behind of 🇮🇳 Kolkata. This difference varies between 5.5h and 4.5h due to Daylight Saving Time.
Live Calculator
Atin 🇦🇺 Sydney→it will be—in 🇮🇳 Kolkata
Open full calculator →DST-accurate · shareable link
Difference
-5.5h
Business overlap
4h
Distance
9,138 km
Approx. flight
10.8h
Hour-by-Hour: Sydney to Kolkata
| 🇦🇺 Sydney | 🇮🇳 Kolkata | Note |
|---|---|---|
| 12:00 AM | 6:30 PM(prev day) | Previous day |
| 1:00 AM | 7:30 PM(prev day) | Previous day |
| 2:00 AM | 8:30 PM(prev day) | Previous day |
| 3:00 AM | 9:30 PM(prev day) | Previous day |
| 4:00 AM | 10:30 PM(prev day) | Previous day |
| 5:00 AM | 11:30 PM(prev day) | Previous day |
| 6:00 AM | 12:30 AM | |
| 7:00 AM | 1:30 AM | |
| 8:00 AM | 2:30 AM | |
| 9:00 AM | 3:30 AM | |
| 10:00 AM | 4:30 AM | |
| 11:00 AM | 5:30 AM | |
| 12:00 PM | 6:30 AM | |
| 1:00 PM | 7:30 AM | |
| 2:00 PM | 8:30 AM | |
| 3:00 PM | 9:30 AM | |
| 4:00 PM | 10:30 AM | |
| 5:00 PM | 11:30 AM | |
| 6:00 PM | 12:30 PM | |
| 7:00 PM | 1:30 PM | |
| 8:00 PM | 2:30 PM | |
| 9:00 PM | 3:30 PM | |
| 10:00 PM | 4:30 PM | |
| 11:00 PM | 5:30 PM |
Daylight Saving Time (DST)
Sydney observes Daylight Saving Time, while Kolkata does not. This causes the time difference to shift between 5.5 hours behind and 4.5 hours behind depending on the season. Currently, Sydney is 5.5 hours behind relative to Kolkata.
Min difference
5.5h
Max difference
4.5h
Best Meeting Times
There are 4 overlapping business hours between Sydney and Kolkata (9 AM – 6 PM in each city).
🇦🇺 Sydney
2:00 PM – 6:00 PM
🇮🇳 Kolkata
8:30 AM – 12:30 PM
Frequently Asked Questions
What is the time difference between Sydney and Kolkata?
The time difference between Sydney and Kolkata is currently 5.5 hours behind. Sydney uses GMT+11 (UTC+11), while Kolkata uses GMT+5:30 (UTC+5:30). This difference varies seasonally due to Daylight Saving Time, ranging from 5.5 hours behind to 4.5 hours behind.
When it's noon in Sydney, what time is it in Kolkata?
When it's 12:00 PM (noon) in Sydney, it is 6:30 AM in Kolkata. Use our calculator above to convert any other time.
Does the time difference between Sydney and Kolkata change?
Yes, the time difference changes throughout the year. Because Sydney observes Daylight Saving Time, the offset shifts between 5.5 hours behind and 4.5 hours behind at different times of the year.
What are the best times to schedule a call between Sydney and Kolkata?
The best time to call is between 2:00 PM and 6:00 PM in Sydney (which is 8:30 AM – 12:30 PM in Kolkata). This 4-hour window falls within business hours in both cities.
Is Sydney ahead or behind Kolkata?
Sydney is currently 5.5 hours ahead of Kolkata.
What time zone is Sydney in?
Sydney is in the Australia/Sydney time zone, currently using GMT+11 (UTC+11). Sydney observes Daylight Saving Time, so the offset changes twice a year.
What time is midnight in Sydney in Kolkata?
When it is midnight (12:00 AM) in Sydney, it is 6:30 PM in Kolkata.