Time in Hamadān vs Guangzhou

Hamadān keeps UTC+3:30 (UTC+3:30) and Guangzhou keeps CST (UTC+8) today. Guangzhou is 4½ hours ahead of Hamadān; 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: 14:00–18:00 in Guangzhou (09:00–13:00 your time).

Hamadān and Guangzhou hour by hour, with the working-hour overlap shaded
City	00:00 in Hamadān	01:00 in Hamadān	02:00 in Hamadān	03:00 in Hamadān	04:00 in Hamadān	05:00 in Hamadān	06:00 in Hamadān	07:00 in Hamadān	08:00 in Hamadān	09:00 in Hamadān	10:00 in Hamadān	11:00 in Hamadān	12:00 in Hamadān	13:00 in Hamadān	14:00 in Hamadān	15:00 in Hamadān	16:00 in Hamadān	17:00 in Hamadān	18:00 in Hamadān	19:00 in Hamadān	20:00 in Hamadān	21:00 in Hamadān	22:00 in Hamadān	23:00 in Hamadān
Hamadān——	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 Hamadān and Guangzhou

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Best hours to call

09:00 in Hamadān

Inside working hours on both sides

14:00 in Guangzhou

10:00 in Hamadān

Inside working hours on both sides

15:00 in Guangzhou

11:00 in Hamadān

Inside working hours on both sides

16:00 in Guangzhou

12:00 in Hamadān

Inside working hours on both sides

17:00 in Guangzhou

Where daylight saving pulls them apart

Neither Hamadān nor Guangzhou changes its clocks, so the gap above holds all year.

Also useful

Common questions

How many hours ahead is Guangzhou of Hamadān?

Guangzhou is 4½ hours ahead of Hamadān right now. The gap is not fixed: it moves whenever either side changes its clocks.

What is the best time to call between Hamadān and Guangzhou?

Any hour in 09:00–13:00 Hamadān time is inside working hours in both cities.

Do Hamadān and Guangzhou change clocks on the same date?

Neither city changes its clocks, so the gap between them never moves.