ACST to India time conversion
India is 4 hours behind ACST.
ACST is always UTC+9:30. Right now most places that use ACST are on ACDT (UTC+10:30): India is 5 hours behind ACDT.
Time difference with your location
ACST is 9 hours 30 minutes ahead of UTC. Compare with your local time →
Choose a date and time
Choose the local time in ACST to convert it to India on that date.
Skipped clock-change times are unavailable; a repeated time uses its first occurrence.
24-hour conversion chart · ACST → India
This table converts each hour in ACST to India on 2026-10-22.
- Working hours
- Outside working hours
- Night hours
| ACST | India | Shared working hours |
|---|---|---|
| 00:0012:00 AM | 20:008:00 PM -1 day | |
| 01:001:00 AM | 21:009:00 PM -1 day | |
| 02:002:00 AM | 22:0010:00 PM -1 day | |
| 03:003:00 AM | 23:0011:00 PM -1 day | |
| 04:004:00 AM | 00:0012:00 AM | |
| 05:005:00 AM | 01:001:00 AM | |
| 06:006:00 AM | 02:002:00 AM | |
| 07:007:00 AM | 03:003:00 AM | |
| 08:008:00 AM | 04:004:00 AM | |
| 09:009:00 AM | 05:005:00 AM | |
| 10:0010:00 AM | 06:006:00 AM | |
| 11:0011:00 AM | 07:007:00 AM | |
| 12:0012:00 PM | 08:008:00 AM | ✓ |
| 13:001:00 PM | 09:009:00 AM | ✓ |
| 14:002:00 PM | 10:0010:00 AM | ✓ |
| 15:003:00 PM | 11:0011:00 AM | ✓ |
| 16:004:00 PM | 12:0012:00 PM | ✓ |
| 17:005:00 PM | 13:001:00 PM | ✓ |
| 18:006:00 PM | 14:002:00 PM | |
| 19:007:00 PM | 15:003:00 PM | |
| 20:008:00 PM | 16:004:00 PM | |
| 21:009:00 PM | 17:005:00 PM | |
| 22:0010:00 PM | 18:006:00 PM | |
| 23:0011:00 PM | 19:007:00 PM |
Quick conversion examples
These examples use ACST (UTC+9:30) and India (UTC+5:30); choosing a date applies the local clock changes.
Conversion formula: India = ACST − 4h · ACDT − 5h.
| ACST | India |
|---|---|
| 6:00 AM ACST | = 2:00 AM India |
| 7:00 AM ACST | = 3:00 AM India |
| 8:00 AM ACST | = 4:00 AM India |
| 9:00 AM ACST | = 5:00 AM India |
| 10:00 AM ACST | = 6:00 AM India |
| 12:00 PM ACST | = 8:00 AM India |
| 3:00 PM ACST | = 11:00 AM India |
| 5:00 PM ACST | = 1:00 PM India |
| 6:00 PM ACST | = 2:00 PM India |
| 8:00 PM ACST | = 4:00 PM India |
Overlapping meeting hours
The 08:00–18:00 working day in ACST and India overlaps for 6 hours on 2026-10-22.
- Shared working hours
- 12:00–18:00 ACST · 08:00–14:00 India
Clock changes on both sides, 2026–2028
ACST and India have the following local clock changes in 2026–2028; all times in the table are local to that side.
| Year | ACST | India |
|---|---|---|
| 2026 | · 03:00 → 02:00 · 02:00 → 03:00 | No clock changes; UTC+5:30 all year. |
| 2027 | · 03:00 → 02:00 · 02:00 → 03:00 | No clock changes; UTC+5:30 all year. |
| 2028 | · 03:00 → 02:00 · 02:00 → 03:00 | No clock changes; UTC+5:30 all year. |
At the start of 2026, India is 5 hours behind ACDT. The difference changes during the following periods.
- From 2026-04-05 02:00 ACST until 2026-10-04 03:00 ACDT, India is 4 hours behind ACST.
- From 2027-04-04 02:00 ACST until 2027-10-03 03:00 ACDT, India is 4 hours behind ACST.
- From 2028-04-02 02:00 ACST until 2028-10-01 03:00 ACDT, India is 4 hours behind ACST.
Frequently asked questions
What time is 9 AM ACST in India?
9:00 AM ACST = 5:00 AM India, using UTC+9:30 and UTC+5:30. Choose a date above for the seasonal local time.
Does the time difference between ACST and India change during the year?
Yes. During 2026–2028: India is 5 hours behind ACST; India is 4 hours behind ACST. The clock-change table gives the dates for both sides.
How do I tell whether it is day or night in India?
Read the India clock above: this guide counts 06:00–18:00 local time as daytime and the rest as nighttime, without using sunrise and sunset.
What is the best time to call between ACST and India?
The shared 08:00–18:00 working window is 12:00–18:00 ACST / 08:00–14:00 India, a total of 6 hours.
What is the time difference between ACST and India now?
Right now, India is 4 hours behind ACST. Conversion formula: India = ACST − 4h · ACDT − 5h.