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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 Slough vs Shanghai

Slough keeps BST (UTC+1) and Shanghai keeps CST (UTC+8) today. Shanghai is 7 hours ahead of Slough; the rows below read both clocks live.

The working day, side by side

Hours shaded in both rows are inside working hours in both cities: 16:00–18:00 in Shanghai (09:00–11:00 your time).

Slough and Shanghai hour by hour, with the working-hour overlap shaded
City00:00 in Slough01:00 in Slough02:00 in Slough03:00 in Slough04:00 in Slough05:00 in Slough06:00 in Slough07:00 in Slough08:00 in Slough09:00 in Slough10:00 in Slough11:00 in Slough12:00 in Slough13:00 in Slough14:00 in Slough15:00 in Slough16:00 in Slough17:00 in Slough18:00 in Slough19:00 in Slough20:00 in Slough21:00 in Slough22:00 in Slough23:00 in Slough
Slough——000102030405060708091011121314151617181920212223
Shanghai——000102030405060708091011121314151617181920212223
  • Working hours
  • Shoulder
  • Night
  • Overlap

Do more with Slough and Shanghai

Best hours to call

09:00 in Slough
Inside working hours on both sides
16:00 in Shanghai
10:00 in Slough
Inside working hours on both sides
17:00 in Shanghai

Where daylight saving pulls them apart

Slough next changes on Sunday 25 October 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 Shanghai of Slough?

Shanghai is 7 hours ahead of Slough right now. The gap is not fixed: it moves whenever either side changes its clocks.

What is the best time to call between Slough and Shanghai?

Any hour in 09:00–11:00 Slough time is inside working hours in both cities.

Do Slough and Shanghai 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.