Cairns Time to IST Converter
IST is 4 hours 30 minutes behind AEST. 9:00 AM AEST = 4:30 AM IST.
IST is 4 hours 30 minutes behind AEST. To convert Cairns Time to IST, subtract 4 hours 30 minutes from the Cairns Time time: 9:00 AM AEST = 4:30 AM IST.
Cairns Time (Cairns time) is used in Cairns, Australia. IST (India Time) is used in India and Sri Lanka (UTC+5:30, no daylight saving time).
IST here means India Standard Time, not Irish or Israel Standard Time.
Cairns Time to IST time conversion table
Cairns Time to IST on 7 Nov 2026. Today's date. Highlighted rows are 9 AM–5 PM in both places.
| Cairns Time | IST |
|---|---|
| 12:00 AM | 7:30 PM−1 |
| 1:00 AM | 8:30 PM−1 |
| 2:00 AM | 9:30 PM−1 |
| 3:00 AM | 10:30 PM−1 |
| 4:00 AM | 11:30 PM−1 |
| 5:00 AM | 12:30 AM |
| 6:00 AM | 1:30 AM |
| 7:00 AM | 2:30 AM |
| Cairns Time | IST |
|---|---|
| 8:00 AM | 3:30 AM |
| 9:00 AM | 4:30 AM |
| 10:00 AM | 5:30 AM |
| 11:00 AM | 6:30 AM |
| 12:00 PM | 7:30 AM |
| 1:00 PM | 8:30 AM |
| 2:00 PM | 9:30 AM |
| 3:00 PM | 10:30 AM |
| Cairns Time | IST |
|---|---|
| 4:00 PM | 11:30 AM |
| 5:00 PM | 12:30 PM |
| 6:00 PM | 1:30 PM |
| 7:00 PM | 2:30 PM |
| 8:00 PM | 3:30 PM |
| 9:00 PM | 4:30 PM |
| 10:00 PM | 5:30 PM |
| 11:00 PM | 6:30 PM |
Conversion table from Cairns Time to IST for 7 Nov 2026. A tick marks hours that fall between 9 AM and 5 PM in both places. +1 means the next day in IST, −1 the previous day.
- ✓ marks 9 AM–5 PM in both places
- Greyed times are night in the destination (10 PM–6 AM)
How to convert Cairns Time to IST
Subtract 4 hours 30 minutes from the Cairns Time time to get IST.
Example: 9:00 AM AEST = 4:30 AM IST.
Across midnight: 1:00 AM AEST = 8:30 PM IST (previous day). The date changes, so always check the day as well as the hour.
Time difference between Cairns Time and IST
The time difference between Cairns Time and IST is 4 hours 30 minutes all year – IST is behind AEST.
Cairns Time and IST during daylight saving time
- Cairns Time does not observe daylight saving time; it stays on UTC+10 all year.
- IST does not observe daylight saving time; it stays on UTC+5:30 all year.
Best time for a meeting between Cairns Time and IST
Cairns Time and IST share 3 hours 30 minutes of the 9 AM–5 PM working day. Any time between 1:30 PM and 5:00 PM AEST lands between 9:00 AM and 12:30 PM IST, inside working hours for both.
Cairns Time to IST FAQ
What is the time difference between Cairns Time and IST?
IST is 4 hours 30 minutes behind AEST all year. 9:00 AM AEST = 4:30 AM IST.
What is 9 AM Cairns Time in IST?
9:00 AM AEST is 4:30 AM IST.
What is 12 PM (noon) Cairns Time in IST?
12:00 PM AEST is 7:30 AM IST.
Is IST ahead of or behind Cairns Time?
IST is 4 hours 30 minutes behind AEST, so it is earlier in IST than in Cairns Time.
Does Cairns Time change for daylight saving time?
No. Cairns Time stays on the same offset all year, so conversions never shift for daylight saving time.
Does IST change for daylight saving time?
No. IST stays on the same offset all year, so conversions never shift for daylight saving time.
What is the best time for a meeting between Cairns Time and IST?
Cairns Time and IST share 3 hours 30 minutes of the 9 AM–5 PM working day. Any time between 1:30 PM and 5:00 PM AEST lands between 9:00 AM and 12:30 PM IST, inside working hours for both.
Related conversions
Convert IST to Cairns Time
Convert Cairns Time to other time zones
Convert other time zones to IST
Learn more
Updated 7 November 2026. Time zone data: IANA tz database.