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AUTO follows the operating system. Working hours drive the green banding on every grid. All four persist on this device only.

Time in Udon Thani vs Guangzhou

Udon Thani keeps ICT (UTC+7) and Guangzhou keeps CST (UTC+8) today. Guangzhou is 1 hour ahead of Udon Thani; 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: 10:00–18:00 in Guangzhou (09:00–17:00 your time).

Udon Thani and Guangzhou hour by hour, with the working-hour overlap shaded
City00:00 in Udon Thani01:00 in Udon Thani02:00 in Udon Thani03:00 in Udon Thani04:00 in Udon Thani05:00 in Udon Thani06:00 in Udon Thani07:00 in Udon Thani08:00 in Udon Thani09:00 in Udon Thani10:00 in Udon Thani11:00 in Udon Thani12:00 in Udon Thani13:00 in Udon Thani14:00 in Udon Thani15:00 in Udon Thani16:00 in Udon Thani17:00 in Udon Thani18:00 in Udon Thani19:00 in Udon Thani20:00 in Udon Thani21:00 in Udon Thani22:00 in Udon Thani23:00 in Udon Thani
Udon Thani——000102030405060708091011121314151617181920212223
Guangzhou——000102030405060708091011121314151617181920212223
  • Working hours
  • Shoulder
  • Night
  • Overlap

Do more with Udon Thani and Guangzhou

Open in the PlannerAdd more cities, find a meeting time that works for everyone, then share it as a link.Open in Watch ViewKeep Udon Thani, Guangzhou and other cities on screen as live clocks, under an animated sky and sun.

Best hours to call

09:00 in Udon Thani
Inside working hours on both sides
10:00 in Guangzhou
10:00 in Udon Thani
Inside working hours on both sides
11:00 in Guangzhou
11:00 in Udon Thani
Inside working hours on both sides
12:00 in Guangzhou
12:00 in Udon Thani
Inside working hours on both sides
13:00 in Guangzhou

Where daylight saving pulls them apart

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

Also useful

Common questions

How many hours ahead is Guangzhou of Udon Thani?

Guangzhou is 1 hour ahead of Udon Thani right now. The gap is not fixed: it moves whenever either side changes its clocks.

What is the best time to call between Udon Thani and Guangzhou?

Any hour in 09:00–17:00 Udon Thani time is inside working hours in both cities.

Do Udon Thani and Guangzhou change clocks on the same date?

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