AEST to IST
AEST is UTC+10 and IST is UTC+5:30 today — IST is 4½ hours behind AEST. Abbreviations are for reading: this page resolves AEST to Australia/Sydney and IST to Asia/Kolkata, which are the names that do not go ambiguous.
IST: India — Irish and Israel Standard Time share the letters.
The working day, side by side
Hours shaded in both rows are inside working hours on both sides. Current abbreviations: AEST and IST.
| City | 00:00 in AEST | 01:00 in AEST | 02:00 in AEST | 03:00 in AEST | 04:00 in AEST | 05:00 in AEST | 06:00 in AEST | 07:00 in AEST | 08:00 in AEST | 09:00 in AEST | 10:00 in AEST | 11:00 in AEST | 12:00 in AEST | 13:00 in AEST | 14:00 in AEST | 15:00 in AEST | 16:00 in AEST | 17:00 in AEST | 18:00 in AEST | 19:00 in AEST | 20:00 in AEST | 21:00 in AEST | 22:00 in AEST | 23:00 in AEST |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| AEST—— | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 |
| IST—— | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 |
- Working hours
- Shoulder
- Night
- Overlap
Do more with AEST and IST
Common questions
What is AEST in IST?
IST is 4½ hours behind AEST today: noon in AEST is 07:30 in IST.
Is AEST the same all year?
AEST refers to the offset used by Australia/Sydney. Where that zone observes daylight saving, the letters change with it, which is why this site stores the identifier and not the abbreviation.
When can AEST and IST meet?
Working hours overlap for 5 hours a day: the shaded overlap is 09:00–14:00 in IST (13:00–18:00 your time).