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Global ClockTime zone converter & meeting planner
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Working hours
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09
End
18
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AUTO follows the operating system. Working hours drive the green banding on every grid. All four persist on this device only.

Time in Kollam vs Shanghai

Kollam keeps IST (UTC+5:30) and Shanghai keeps CST (UTC+8) today. Shanghai is 2½ hours ahead of Kollam; 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: 12:00–18:00 in Shanghai (09:00–15:00 your time).

Kollam and Shanghai hour by hour, with the working-hour overlap shaded
City00:00 in Kollam01:00 in Kollam02:00 in Kollam03:00 in Kollam04:00 in Kollam05:00 in Kollam06:00 in Kollam07:00 in Kollam08:00 in Kollam09:00 in Kollam10:00 in Kollam11:00 in Kollam12:00 in Kollam13:00 in Kollam14:00 in Kollam15:00 in Kollam16:00 in Kollam17:00 in Kollam18:00 in Kollam19:00 in Kollam20:00 in Kollam21:00 in Kollam22:00 in Kollam23:00 in Kollam
Kollam——000102030405060708091011121314151617181920212223
Shanghai——000102030405060708091011121314151617181920212223
  • Working hours
  • Shoulder
  • Night
  • Overlap

Do more with Kollam and Shanghai

Open in the PlannerAdd more cities, find a meeting time that works for everyone, then share it as a link.Open in Watch ViewKeep Kollam, Shanghai and other cities on screen as live clocks, under an animated sky and sun.

Best hours to call

09:00 in Kollam
Inside working hours on both sides
12:00 in Shanghai
10:00 in Kollam
Inside working hours on both sides
13:00 in Shanghai
11:00 in Kollam
Inside working hours on both sides
14:00 in Shanghai
12:00 in Kollam
Inside working hours on both sides
15:00 in Shanghai

Where daylight saving pulls them apart

Neither Kollam nor Shanghai changes its clocks, so the gap above holds all year.

Also useful

Common questions

How many hours ahead is Shanghai of Kollam?

Shanghai is 2½ hours ahead of Kollam right now. The gap is not fixed: it moves whenever either side changes its clocks.

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

Any hour in 09:00–15:00 Kollam time is inside working hours in both cities.

Do Kollam and Shanghai change clocks on the same date?

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