IST to AEST: India–Australia (Sydney) time difference and best meeting times
Bengaluru (Bangalore) to Sydney time · IST to AEST/AEDT
Bengaluru and Sydney share 2h 30m of 9-to-5 working time for most of the year: 09:00–11:30 in Bengaluru = 14:30–17:00 in Sydney.
Sydney is several hours ahead of India, so an Australian afternoon meets an Indian morning.
Time difference
Sydney is 5h 30m ahead of Bengaluru
Most of the year; see below for other dates.
Shared working hours
2h 30m
09:00–11:30 in Bengaluru = 14:30–17:00 in Sydney
Fairest 1-hour meeting
09:00 in Bengaluru = 14:30 in Sydney
Bengaluru stays within 09:00–17:00, Sydney stays within 09:00–17:00.
How the gap changes in 2027
- 1 Jan – 3 Apr, 3 Oct – 31 Dec (183 days): Sydney is 5h 30m ahead of Bengaluru. Shared hours: 09:00–11:30 in Bengaluru = 14:30–17:00 in Sydney.
- 4 Apr – 2 Oct (182 days): Sydney is 4h 30m ahead of Bengaluru. Shared hours: 09:00–12:30 in Bengaluru = 13:30–17:00 in Sydney.
- Bengaluru:
- UTC+5:30 all year (no daylight saving)
- Sydney:
- UTC+10 standard, UTC+11 daylight saving
- 4 Apr: Sydney clocks go back 1h
- 3 Oct: Sydney clocks go forward 1h
Hour-by-hour: Bengaluru to Sydney
Working hours are 09:00–17:00; night is 23:00–07:00.
| Bengaluru | Sydney1 Jan – 3 Apr, 3 Oct – 31 Dec | Sydney4 Apr – 2 Oct |
|---|---|---|
| 00:00 | 05:30 | 04:30 |
| 01:00 | 06:30 | 05:30 |
| 02:00 | 07:30 | 06:30 |
| 03:00 | 08:30 | 07:30 |
| 04:00 | 09:30 | 08:30 |
| 05:00 | 10:30 | 09:30 |
| 06:00 | 11:30 | 10:30 |
| 07:00 | 12:30 | 11:30 |
| 08:00 | 13:30 | 12:30 |
| 09:00 | 14:30 | 13:30 |
| 10:00 | 15:30 | 14:30 |
| 11:00 | 16:30 | 15:30 |
| 12:00 | 17:30 | 16:30 |
| 13:00 | 18:30 | 17:30 |
| 14:00 | 19:30 | 18:30 |
| 15:00 | 20:30 | 19:30 |
| 16:00 | 21:30 | 20:30 |
| 17:00 | 22:30 | 21:30 |
| 18:00 | 23:30 | 22:30 |
| 19:00 | 00:30 (next day) | 23:30 |
| 20:00 | 01:30 (next day) | 00:30 (next day) |
| 21:00 | 02:30 (next day) | 01:30 (next day) |
| 22:00 | 03:30 (next day) | 02:30 (next day) |
| 23:00 | 04:30 (next day) | 03:30 (next day) |
Tips for India and Australia (Sydney) teams
- India doesn't use daylight saving time, so the gap moves by an hour whenever Sydney changes its clocks. Recurring meetings set in one place's time will shift for the other.
- The shared window is only 2h 30m. Protect it for conversations that need everyone live, and move status updates to writing.
Based on 09:00–17:00 working days in Bengaluru and Sydney, using 2027 clock-change dates. Real schedules vary, so confirm with your team.