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Global ClockTime zone converter & meeting planner
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Working hours
Start
09
End
18
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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 Santa Rosa vs Guangzhou

Santa Rosa keeps PST (UTC+8) and Guangzhou keeps CST (UTC+8) today. Guangzhou is the same time as Santa Rosa; 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: 09:00–18:00 in Guangzhou (09:00–18:00 your time).

Santa Rosa and Guangzhou hour by hour, with the working-hour overlap shaded
City00:00 in Santa Rosa01:00 in Santa Rosa02:00 in Santa Rosa03:00 in Santa Rosa04:00 in Santa Rosa05:00 in Santa Rosa06:00 in Santa Rosa07:00 in Santa Rosa08:00 in Santa Rosa09:00 in Santa Rosa10:00 in Santa Rosa11:00 in Santa Rosa12:00 in Santa Rosa13:00 in Santa Rosa14:00 in Santa Rosa15:00 in Santa Rosa16:00 in Santa Rosa17:00 in Santa Rosa18:00 in Santa Rosa19:00 in Santa Rosa20:00 in Santa Rosa21:00 in Santa Rosa22:00 in Santa Rosa23:00 in Santa Rosa
Santa Rosa——000102030405060708091011121314151617181920212223
Guangzhou——000102030405060708091011121314151617181920212223
  • Working hours
  • Shoulder
  • Night
  • Overlap

Do more with Santa Rosa 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 Santa Rosa, Guangzhou and other cities on screen as live clocks, under an animated sky and sun.

Best hours to call

09:00 in Santa Rosa
Inside working hours on both sides
09:00 in Guangzhou
10:00 in Santa Rosa
Inside working hours on both sides
10:00 in Guangzhou
11:00 in Santa Rosa
Inside working hours on both sides
11:00 in Guangzhou
12:00 in Santa Rosa
Inside working hours on both sides
12:00 in Guangzhou

Where daylight saving pulls them apart

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

Also useful

Common questions

How many hours ahead is Guangzhou of Santa Rosa?

Guangzhou and Santa Rosa read the same clock right now.

What is the best time to call between Santa Rosa and Guangzhou?

Any hour in 09:00–18:00 Santa Rosa time is inside working hours in both cities.

Do Santa Rosa and Guangzhou change clocks on the same date?

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