Time in Chennai vs Buenos Aires
Chennai keeps IST (UTC+5:30) and Buenos Aires keeps UTC−3 (UTC−3) today. Buenos Aires is 8½ hours behind Chennai; the rows below read both clocks live.
The working day, side by side
Hours shaded in both rows are inside working hours in both cities: 09:00–10:00 in Buenos Aires (17:00–18:00 your time).
| City | 00:00 in Chennai | 01:00 in Chennai | 02:00 in Chennai | 03:00 in Chennai | 04:00 in Chennai | 05:00 in Chennai | 06:00 in Chennai | 07:00 in Chennai | 08:00 in Chennai | 09:00 in Chennai | 10:00 in Chennai | 11:00 in Chennai | 12:00 in Chennai | 13:00 in Chennai | 14:00 in Chennai | 15:00 in Chennai | 16:00 in Chennai | 17:00 in Chennai | 18:00 in Chennai | 19:00 in Chennai | 20:00 in Chennai | 21:00 in Chennai | 22:00 in Chennai | 23:00 in Chennai |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Chennai—— | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 |
| Buenos Aires—— | 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 Chennai and Buenos Aires
Best hours to call
17:00 in Chennai
Inside working hours on both sides
09:00 in Buenos Aires
Where daylight saving pulls them apart
Neither Chennai nor Buenos Aires changes its clocks, so the gap above holds all year.
Also useful
Common questions
How many hours ahead is Buenos Aires of Chennai?
Buenos Aires is 8½ hours behind Chennai right now. The gap is not fixed: it moves whenever either side changes its clocks.
What is the best time to call between Chennai and Buenos Aires?
Any hour in 17:00–18:00 Chennai time is inside working hours in both cities.
Do Chennai and Buenos Aires change clocks on the same date?
Neither city changes its clocks, so the gap between them never moves.