IST to AEST: India Standard Time to Australian Eastern Time
Australian Eastern Time is 4 hours 30 minutes ahead of IST in summer (AEST, UTC+10:00) and 5 hours 30 minutes ahead of IST in winter (AEDT, UTC+11:00). Use the converter above — type a time such as “9am IST to AEST”, drag along the hour strips, or pick a date.
IST to AEST conversion table
| India Standard Time (IST) | Australian Eastern Time — January | Australian Eastern Time — July |
|---|---|---|
| 12:00 AM IST | 5:30 AM AEDT | 4:30 AM AEST |
| 1:00 AM IST | 6:30 AM AEDT | 5:30 AM AEST |
| 2:00 AM IST | 7:30 AM AEDT | 6:30 AM AEST |
| 3:00 AM IST | 8:30 AM AEDT | 7:30 AM AEST |
| 4:00 AM IST | 9:30 AM AEDT | 8:30 AM AEST |
| 5:00 AM IST | 10:30 AM AEDT | 9:30 AM AEST |
| 6:00 AM IST | 11:30 AM AEDT | 10:30 AM AEST |
| 7:00 AM IST | 12:30 PM AEDT | 11:30 AM AEST |
| 8:00 AM IST | 1:30 PM AEDT | 12:30 PM AEST |
| 9:00 AM IST | 2:30 PM AEDT | 1:30 PM AEST |
| 10:00 AM IST | 3:30 PM AEDT | 2:30 PM AEST |
| 11:00 AM IST | 4:30 PM AEDT | 3:30 PM AEST |
| 12:00 PM IST | 5:30 PM AEDT | 4:30 PM AEST |
| 1:00 PM IST | 6:30 PM AEDT | 5:30 PM AEST |
| 2:00 PM IST | 7:30 PM AEDT | 6:30 PM AEST |
| 3:00 PM IST | 8:30 PM AEDT | 7:30 PM AEST |
| 4:00 PM IST | 9:30 PM AEDT | 8:30 PM AEST |
| 5:00 PM IST | 10:30 PM AEDT | 9:30 PM AEST |
| 6:00 PM IST | 11:30 PM AEDT | 10:30 PM AEST |
| 7:00 PM IST | 12:30 AM AEDT (next day) | 11:30 PM AEST |
| 8:00 PM IST | 1:30 AM AEDT (next day) | 12:30 AM AEST (next day) |
| 9:00 PM IST | 2:30 AM AEDT (next day) | 1:30 AM AEST (next day) |
| 10:00 PM IST | 3:30 AM AEDT (next day) | 2:30 AM AEST (next day) |
| 11:00 PM IST | 4:30 AM AEDT (next day) | 3:30 AM AEST (next day) |
Daylight saving
India Standard Time has no daylight saving — it stays at UTC+05:30 all year. Australian Eastern Time switches to AEDT around October and back to AEST around April. Because of this the difference between IST and AEST changes during the year — the converter above always uses the right one for the date you pick.
Frequently asked questions
- What is the time difference between IST and AEST?
- Australian Eastern Time is 4h 30m ahead of IST in summer (AEST) and 5h 30m ahead in winter (AEDT).
- What is 9 AM IST in AEST?
- 9:00 AM IST is 1:30 PM AEST in summer and 2:30 PM AEDT in winter.
- Which IST is this?
- Here IST means India Standard Time, used in India (Mumbai, Delhi, Bengaluru). Abbreviations can mean different places — IST is also used for Irish and Israel Standard Time; type a city in the converter if you meant another one.
- Is AEST the same as AEDT?
- They are the same place in different seasons: AEST/AEDT — AEST in winter and AEDT during daylight saving. GlobalHours switches automatically on the right date.