Time in Chennai vs Guangzhou
Chennai keeps IST (UTC+5:30) and Guangzhou keeps CST (UTC+8) today. Guangzhou is 2½ hours ahead of 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: 12:00–18:00 in Guangzhou (09:00–15:00 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 |
| Guangzhou—— | 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 Guangzhou
Best hours to call
09:00 in Chennai
Inside working hours on both sides
12:00 in Guangzhou
10:00 in Chennai
Inside working hours on both sides
13:00 in Guangzhou
11:00 in Chennai
Inside working hours on both sides
14:00 in Guangzhou
12:00 in Chennai
Inside working hours on both sides
15:00 in Guangzhou
Where daylight saving pulls them apart
Neither Chennai nor Guangzhou changes its clocks, so the gap above holds all year.
Also useful
Common questions
How many hours ahead is Guangzhou of Chennai?
Guangzhou is 2½ hours ahead of 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 Guangzhou?
Any hour in 09:00–15:00 Chennai time is inside working hours in both cities.
Do Chennai and Guangzhou change clocks on the same date?
Neither city changes its clocks, so the gap between them never moves.