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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 Lowell vs Guangzhou

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

Lowell and Guangzhou hour by hour, with the working-hour overlap shaded
City00:00 in Lowell01:00 in Lowell02:00 in Lowell03:00 in Lowell04:00 in Lowell05:00 in Lowell06:00 in Lowell07:00 in Lowell08:00 in Lowell09:00 in Lowell10:00 in Lowell11:00 in Lowell12:00 in Lowell13:00 in Lowell14:00 in Lowell15:00 in Lowell16:00 in Lowell17:00 in Lowell18:00 in Lowell19:00 in Lowell20:00 in Lowell21:00 in Lowell22:00 in Lowell23:00 in Lowell
Lowell——000102030405060708091011121314151617181920212223
Guangzhou——000102030405060708091011121314151617181920212223
  • Working hours
  • Shoulder
  • Night
  • Overlap

Do more with Lowell 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

Lowell 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 Lowell?

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

What is the best time to call between Lowell 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 Lowell 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.