Skip to content
Global ClockTime zone converter & meeting planner
PAGES
SETTINGS
Clock
Working hours
Start
09
End
18
Theme

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

Time in San José vs Guangzhou

San José keeps CST (UTC−6) and Guangzhou keeps CST (UTC+8) today. Guangzhou is 14 hours ahead of San José; 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 17:00–18:00 your time (07:00 there).

San José and Guangzhou hour by hour, with the working-hour overlap shaded
City00:00 in San José01:00 in San José02:00 in San José03:00 in San José04:00 in San José05:00 in San José06:00 in San José07:00 in San José08:00 in San José09:00 in San José10:00 in San José11:00 in San José12:00 in San José13:00 in San José14:00 in San José15:00 in San José16:00 in San José17:00 in San José18:00 in San José19:00 in San José20:00 in San José21:00 in San José22:00 in San José23:00 in San José
San José——000102030405060708091011121314151617181920212223
Guangzhou——000102030405060708091011121314151617181920212223
  • Working hours
  • Shoulder
  • Night
  • Overlap

Do more with San José 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 José, 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 17:00–18:00 your time (07:00 there).

Where daylight saving pulls them apart

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

Also useful

Common questions

How many hours ahead is Guangzhou of San José?

Guangzhou is 14 hours ahead of San José right now. The gap is not fixed: it moves whenever either side changes its clocks.

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

There is no hour inside working hours in both cities. 17:00–18:00 your time (07:00 there) is the cheapest compromise, and one side is taking a shoulder hour.

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

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