Observatory log
Kolkata and Melbourne, compared
- 01Difference now
Melbourne is 5 hours 30 minutes ahead of Kolkata.
Kolkata: IST (UTC+5:30) · Melbourne: AEDT (UTC+11)
Next changeFrom 4 April 2027: Melbourne is 4 hours 30 minutes ahead of Kolkata.
- 02Through 2026–2027
- 1 January 2026 – 5 April 2026+5 h 30 min
- 5 April 2026 – 4 October 2026+4 h 30 min
- 4 October 2026 – 4 April 2027+5 h 30 min
- 4 April 2027 – 3 October 2027+4 h 30 min
- 3 October 2027 – 31 December 2027+5 h 30 min
Difference of Melbourne from Kolkata. It changes on the days either place changes its clocks (dates local to that place).
- 03Shared working hours
- Mon–Fri: 09:00–11:30 in Kolkata = 14:30–17:00 in Melbourne · 2 h 30 min
Counted as 09:00–17:00 local time on each place’s own working days, for the next seven days.
- 04Best time to meet
09:00–11:30 in Kolkata = 14:30–17:00 in Melbourne
Inside both working days (Mon–Fri).
- 05Weekend
Kolkata: Saturday and Sunday
Melbourne: Saturday and Sunday
24 hours
A day in Kolkata, in Melbourne
| Kolkata | Melbourne | Working hours, evening, night or weekend in each place |
|---|---|---|
| 00:00 | 05:30 | |
| 01:00 | 06:30 | |
| 02:00 | 07:30 | |
| 03:00 | 08:30 | |
| 04:00 | 09:30 | |
| 05:00 | 10:30 | |
| 06:00 | 11:30 | |
| 07:00 | 12:30 | |
| 08:00 | 13:30 | |
| 09:00 | 14:30 | |
| 10:00 | 15:30 | |
| 11:00 | 16:30 | |
| 12:00 | 17:30 | |
| 13:00 | 18:30 | |
| 14:00 | 19:30 | |
| 15:00 | 20:30 | |
| 16:00 | 21:30 | |
| 17:00 | 22:30 | |
| 18:00 | 23:30 | |
| 19:00 | 00:30Tomorrow | |
| 20:00 | 01:30Tomorrow | |
| 21:00 | 02:30Tomorrow | |
| 22:00 | 03:30Tomorrow | |
| 23:00 | 04:30Tomorrow |
Working hoursEarly or eveningNightWeekend
Plan a meeting: Kolkata and Melbourne
More time differences with Kolkata
Questions
Asked about Kolkata and Melbourne
What is the time difference between Kolkata and Melbourne?
Melbourne is 5 hours 30 minutes ahead of Kolkata. This holds until 4 April 2027; then Melbourne is 4 hours 30 minutes ahead of Kolkata.
What is the best time for a call between Kolkata and Melbourne?
Inside both working days: Mon–Fri: 09:00–11:30 in Kolkata = 14:30–17:00 in Melbourne · 2 h 30 min.
When does the time difference between Kolkata and Melbourne change?
In the next 12 months it changes on: 4 April 2027 (+4 h 30 min); 3 October 2027 (+5 h 30 min).