IST to AWST
Converting a fixed time. Asia/Kolkata → Australia/Perth
5:00 pm in IST is
7:30 pm in AWST.
17:00 → 19:30 on a 24-hour clock ·
IST → AWST
IST now
6:21pm
IST · UTC+5:30
Asia/Kolkata
Clocks here do not change — this zone stays on the same offset all year.
AWST now
8:51pm
AWST · UTC+8
Australia/Perth
Clocks here do not change — this zone stays on the same offset all year.
Convert a specific time minutes work, not just whole hours
Hour by hour
| IST | AWST | 24h | Good to call? |
|---|---|---|---|
| 12am | 2am | 00:00 → 02:30 | asleep in AWST |
| 1am | 3am | 01:00 → 03:30 | asleep in AWST |
| 2am | 4am | 02:00 → 04:30 | asleep in AWST |
| 3am | 5am | 03:00 → 05:30 | asleep in AWST |
| 4am | 6am | 04:00 → 06:30 | asleep in AWST |
| 5am | 7am | 05:00 → 07:30 | asleep in IST |
| 6am | 8am | 06:00 → 08:30 | asleep in IST |
| 7am | 9am | 07:00 → 09:30 | awake, not at work |
| 8am | 10am | 08:00 → 10:30 | awake, not at work |
| 9am | 11am | 09:00 → 11:30 | both at work |
| 10am | 12pm | 10:00 → 12:30 | both at work |
| 11am | 1pm | 11:00 → 13:30 | both at work |
| 12pm | 2pm | 12:00 → 14:30 | both at work |
| 1pm | 3pm | 13:00 → 15:30 | both at work |
| 2pm | 4pm | 14:00 → 16:30 | both at work |
| 3pm | 5pm | 15:00 → 17:30 | awake, not at work |
| 4pm | 6pm | 16:00 → 18:30 | awake, not at work |
| 5pm | 7pm | 17:00 → 19:30 | awake, not at work |
| 6pm now | 8pm | 18:00 → 20:30 | awake, not at work |
| 7pm | 9pm | 19:00 → 21:30 | awake, not at work |
| 8pm | 10pm | 20:00 → 22:30 | asleep in AWST |
| 9pm | 11pm | 21:00 → 23:30 | asleep in AWST |
| 10pm | 12am Fri | 22:00 → 00:30 | asleep in AWST |
| 11pm | 1am Fri | 23:00 → 01:30 | asleep in AWST |
Call times
Both places are at work between 9am and 15:00 in Kolkata — 11am to 4pm at the other end.
12am
2am
2am
1am
3am
3am
2am
4am
4am
3am
5am
5am
4am
6am
6am
5am
7am
7am
6am
8am
8am
7am
9am
9am
8am
10am
10am
9am
11am
11am
10am
12pm
12pm
11am
1pm
1pm
12pm
2pm
2pm
1pm
3pm
3pm
2pm
4pm
4pm
3pm
5pm
5pm
4pm
6pm
6pm
5pm
7pm
7pm
6pm
8pm
8pm
7pm
9pm
9pm
8pm
10pm
10pm
9pm
11pm
11pm
10pm
12am
12am
11pm
1am
1am
both at work
work hours here
awake
asleep
Questions people ask
What time is it in AWST when it is 5:00 pm in IST?
7:30 pm in AWST the same day.
How many hours ahead is AWST of IST?
AWST is 2 hours 30 minutes ahead IST. Neither place changes its clocks, so that gap is the same all year. The table on this page is recalculated for today, so it is already correct for the current season.
What is the best time to call between IST and AWST?
Both places are at work between 9am and 15:00 in Kolkata — 11am to 4pm at the other end.