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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 San Rafael vs Guangzhou

San Rafael keeps UTC−3 (UTC−3) and Guangzhou keeps CST (UTC+8) today. Guangzhou is 11 hours ahead of San Rafael; the rows below read both clocks live.

The working day, side by side

The working days do not meet. there is no working-hour overlap with Guangzhou — the nearest workable window is 06:00–07:00 your time (17:00 there).

San Rafael and Guangzhou hour by hour, with the working-hour overlap shaded
City00:00 in San Rafael01:00 in San Rafael02:00 in San Rafael03:00 in San Rafael04:00 in San Rafael05:00 in San Rafael06:00 in San Rafael07:00 in San Rafael08:00 in San Rafael09:00 in San Rafael10:00 in San Rafael11:00 in San Rafael12:00 in San Rafael13:00 in San Rafael14:00 in San Rafael15:00 in San Rafael16:00 in San Rafael17:00 in San Rafael18:00 in San Rafael19:00 in San Rafael20:00 in San Rafael21:00 in San Rafael22:00 in San Rafael23:00 in San Rafael
San Rafael——000102030405060708091011121314151617181920212223
Guangzhou——000102030405060708091011121314151617181920212223
  • Working hours
  • Shoulder
  • Night
  • Overlap

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

Best hours to call

there is no working-hour overlap with Guangzhou — the nearest workable window is 06:00–07:00 your time (17:00 there).

Where daylight saving pulls them apart

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

Also useful

Common questions

How many hours ahead is Guangzhou of San Rafael?

Guangzhou is 11 hours ahead of San Rafael right now. The gap is not fixed: it moves whenever either side changes its clocks.

What is the best time to call between San Rafael and Guangzhou?

There is no hour inside working hours in both cities. 06:00–07:00 your time (17:00 there) is the cheapest compromise, and one side is taking a shoulder hour.

Do San Rafael and Guangzhou change clocks on the same date?

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