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Global ClockTime zone converter & meeting planner
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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 Newport News vs Guangzhou

Newport News keeps EDT (UTC−4) and Guangzhou keeps CST (UTC+8) today. Guangzhou is 12 hours ahead of Newport News; 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).

Newport News and Guangzhou hour by hour, with the working-hour overlap shaded
City00:00 in Newport News01:00 in Newport News02:00 in Newport News03:00 in Newport News04:00 in Newport News05:00 in Newport News06:00 in Newport News07:00 in Newport News08:00 in Newport News09:00 in Newport News10:00 in Newport News11:00 in Newport News12:00 in Newport News13:00 in Newport News14:00 in Newport News15:00 in Newport News16:00 in Newport News17:00 in Newport News18:00 in Newport News19:00 in Newport News20:00 in Newport News21:00 in Newport News22:00 in Newport News23:00 in Newport News
Newport News——000102030405060708091011121314151617181920212223
Guangzhou——000102030405060708091011121314151617181920212223
  • Working hours
  • Shoulder
  • Night
  • Overlap

Do more with Newport News 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 Newport News, 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 05:00–06:00 your time (17:00 there).

Where daylight saving pulls them apart

Newport News next changes on Sunday 1 November 2026. Between those two dates the gap between the cities is an hour different from the one shown above — which is exactly when a recurring meeting drifts. Every date we track is on the daylight saving page.

Also useful

Common questions

How many hours ahead is Guangzhou of Newport News?

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

What is the best time to call between Newport News 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 Newport News and Guangzhou change clocks on the same date?

Only one of them does, so the gap between them changes twice a year even though neither city moved relative to the sun.