Skip to content
Global ClockTime zone converter & meeting planner
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 Boa Vista vs Guangzhou

Boa Vista keeps UTC−4 (UTC−4) and Guangzhou keeps CST (UTC+8) today. Guangzhou is 12 hours ahead of Boa Vista; 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 05:00–06:00 your time (17:00 there).

Boa Vista and Guangzhou hour by hour, with the working-hour overlap shaded
City00:00 in Boa Vista01:00 in Boa Vista02:00 in Boa Vista03:00 in Boa Vista04:00 in Boa Vista05:00 in Boa Vista06:00 in Boa Vista07:00 in Boa Vista08:00 in Boa Vista09:00 in Boa Vista10:00 in Boa Vista11:00 in Boa Vista12:00 in Boa Vista13:00 in Boa Vista14:00 in Boa Vista15:00 in Boa Vista16:00 in Boa Vista17:00 in Boa Vista18:00 in Boa Vista19:00 in Boa Vista20:00 in Boa Vista21:00 in Boa Vista22:00 in Boa Vista23:00 in Boa Vista
Boa Vista——000102030405060708091011121314151617181920212223
Guangzhou——000102030405060708091011121314151617181920212223
  • Working hours
  • Shoulder
  • Night
  • Overlap

Do more with Boa Vista and Guangzhou

Best hours to call

there is no working-hour overlap with Guangzhou — the nearest workable window is 05:00–06:00 your time (17:00 there).

Where daylight saving pulls them apart

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

Also useful

Common questions

How many hours ahead is Guangzhou of Boa Vista?

Guangzhou is 12 hours ahead of Boa Vista right now. The gap is not fixed: it moves whenever either side changes its clocks.

What is the best time to call between Boa Vista and Guangzhou?

There is no hour inside working hours in both cities. 05:00–06:00 your time (17:00 there) is the cheapest compromise, and one side is taking a shoulder hour.

Do Boa Vista and Guangzhou change clocks on the same date?

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