Convert India Standard Time (IST) to Australian Eastern Time (AEST/AEDT), with daylight saving applied for the exact date you pick.
Tue, Oct 27
Tue, Oct 27 Same day
| Su | Mo | Tu | We | Th | Fr | Sa |
|---|
IST 9 to 5 AEDT 9 to 5
AEDT is 5 hours 30 minutes ahead of IST.
The same conversion works for every city on these clocks, such as India to Australia, India to Sydney and Delhi to Australia.
Shaded areas follow the official zone boundaries, so a country split across zones is split here too. Hover or tap a region for its local time.
Every hour of Tuesday, October 27, 2026, side by side. Days with a clock change show 23 or 25 rows.
Shaded rows fall inside working hours in both places.
| New Delhi (IST) | Sydney (AEDT) | Working hours |
|---|---|---|
| 12:00 AM | 5:30 AM | |
| 1:00 AM | 6:30 AM | |
| 2:00 AM | 7:30 AM | |
| 3:00 AM | 8:30 AM | |
| 4:00 AM | 9:30 AM | |
| 5:00 AM | 10:30 AM | |
| 6:00 AM | 11:30 AM | |
| 7:00 AM | 12:30 PM | |
| 8:00 AM | 1:30 PM | |
| 9:00 AM | 2:30 PM | Both working |
| 10:00 AM | 3:30 PM | Both working |
| 11:00 AM | 4:30 PM | Both working |
| 12:00 PM | 5:30 PM | |
| 1:00 PM | 6:30 PM | |
| 2:00 PM | 7:30 PM | |
| 3:00 PM | 8:30 PM | |
| 4:00 PM | 9:30 PM | |
| 5:00 PM | 10:30 PM | |
| 6:00 PM | 11:30 PM | |
| 7:00 PM | 12:30 AM next day | |
| 8:00 PM | 1:30 AM next day | |
| 9:00 PM | 2:30 AM next day | |
| 10:00 PM | 3:30 AM next day | |
| 11:00 PM | 4:30 AM next day |
Every hour of the India Standard Time day, plus the common half hours, and their AEST equivalents. The second column covers the part of the year when the clocks are on a different gap.
| India Standard Time | AEDT 5 h 30 min ahead, most of the year (183 days in 2026) | AEST 4 h 30 min ahead, most of the year (182 days in 2026) |
|---|---|---|
| 12:00 AM | 5:30 AM | 4:30 AM |
| 1:00 AM | 6:30 AM | 5:30 AM |
| 2:00 AM | 7:30 AM | 6:30 AM |
| 3:00 AM | 8:30 AM | 7:30 AM |
| 4:00 AM | 9:30 AM | 8:30 AM |
| 5:00 AM | 10:30 AM | 9:30 AM |
| 6:00 AM | 11:30 AM | 10:30 AM |
| 7:00 AM | 12:30 PM | 11:30 AM |
| 8:00 AM | 1:30 PM | 12:30 PM |
| 9:00 AM | 2:30 PM | 1:30 PM |
| 9:30 AM | 3:00 PM | 2:00 PM |
| 10:00 AM | 3:30 PM | 2:30 PM |
| 10:30 AM | 4:00 PM | 3:00 PM |
| 11:00 AM | 4:30 PM | 3:30 PM |
| 11:30 AM | 5:00 PM | 4:00 PM |
| 12:00 PM | 5:30 PM | 4:30 PM |
| 12:30 PM | 6:00 PM | 5:00 PM |
| 1:00 PM | 6:30 PM | 5:30 PM |
| 1:30 PM | 7:00 PM | 6:00 PM |
| 2:00 PM | 7:30 PM | 6:30 PM |
| 2:30 PM | 8:00 PM | 7:00 PM |
| 3:00 PM | 8:30 PM | 7:30 PM |
| 3:30 PM | 9:00 PM | 8:00 PM |
| 4:00 PM | 9:30 PM | 8:30 PM |
| 4:30 PM | 10:00 PM | 9:00 PM |
| 5:00 PM | 10:30 PM | 9:30 PM |
| 5:30 PM | 11:00 PM | 10:00 PM |
| 6:00 PM | 11:30 PM | 10:30 PM |
| 7:00 PM | 12:30 AM (next day) | 11:30 PM |
| 8:00 PM | 1:30 AM (next day) | 12:30 AM (next day) |
| 9:00 PM | 2:30 AM (next day) | 1:30 AM (next day) |
| 10:00 PM | 3:30 AM (next day) | 2:30 AM (next day) |
| 11:00 PM | 4:30 AM (next day) | 3:30 AM (next day) |
Each row is a stretch of days with one constant difference, split at every clock change.
| Dates | IST | AEST | Difference |
|---|---|---|---|
| Thu, Jan 1, 2026 until Sun, Apr 5, 2026 | IST | AEDT | AEDT 5 h 30 min ahead |
| Sun, Apr 5, 2026 until Sun, Oct 4, 2026 | IST | AEST | AEST 4 h 30 min ahead |
| Sun, Oct 4, 2026 until Sun, Apr 4, 2027 | IST | AEDT | AEDT 5 h 30 min ahead |
| Sun, Apr 4, 2027 until Sun, Oct 3, 2027 | IST | AEST | AEST 4 h 30 min ahead |
| Sun, Oct 3, 2027 until Sat, Jan 1, 2028 | IST | AEDT | AEDT 5 h 30 min ahead |
India Standard Time is UTC+5:30 all year. The whole country keeps a single clock, and India has not observed daylight saving time since the 1940s, so IST never changes.
IST can also stand for Irish Standard Time or Israel Standard Time. On this site IST always means India Standard Time (Asia/Kolkata).
Australian Eastern Time follows the clock in Sydney: AEST (UTC+10) in the southern winter and AEDT (UTC+11) from the first Sunday in October to the first Sunday in April.
Queensland, including Brisbane, stays on AEST all year. For Brisbane, pick Australia/Brisbane in the converter.
AEDT is 5 hours 30 minutes ahead of IST for most of the year (183 days in 2026). The gap is 4 hours 30 minutes for most of the year (182 days in 2026).
Australia uses Australian Eastern Time. AEDT is 5 hours 30 minutes ahead of IST for most of the year (183 days in 2026). The gap is 4 hours 30 minutes for most of the year (182 days in 2026). Type any IST time into the IST to AEST converter to see the Australia time for any date.
9:00 AM IST is 2:30 PM AEDT for most of the year (183 days in 2026). 9:00 AM IST is 1:30 PM AEST for most of the year (182 days in 2026).
12:00 PM IST is 5:30 PM AEDT for most of the year (183 days in 2026). 12:00 PM IST is 4:30 PM AEST for most of the year (182 days in 2026).
10:00 AM IST is 3:30 PM AEDT for most of the year (183 days in 2026). 10:00 AM IST is 2:30 PM AEST for most of the year (182 days in 2026).
5:00 PM IST is 10:30 PM AEDT for most of the year (183 days in 2026). 5:00 PM IST is 9:30 PM AEST for most of the year (182 days in 2026).
Yes. AEDT is 5 hours 30 minutes ahead of IST for most of the year (183 days in 2026). The gap is 4 hours 30 minutes for most of the year (182 days in 2026).
Working days of 9 AM to 5 PM overlap from 9:00 AM to 11:30 AM IST, which is 2:30 PM to 5:00 PM AEDT while IST and AEDT apply.
Australian Eastern Time changes its clocks twice a year; India Standard Time does not. The next change is on Sunday, April 4, 2027 in Australian Eastern Time.
IST can also stand for Irish Standard Time or Israel Standard Time. On this site IST always means India Standard Time (Asia/Kolkata).
Queensland, including Brisbane, stays on AEST all year. For Brisbane, pick Australia/Brisbane in the converter.