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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 Kolkata vs Saint Petersburg

Kolkata keeps IST (UTC+5:30) and Saint Petersburg keeps MSK (UTC+3) today. Saint Petersburg is 2½ hours behind Kolkata; 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: 09:00–16:00 in Saint Petersburg (11:00–18:00 your time).

Kolkata and Saint Petersburg hour by hour, with the working-hour overlap shaded
City00:00 in Kolkata01:00 in Kolkata02:00 in Kolkata03:00 in Kolkata04:00 in Kolkata05:00 in Kolkata06:00 in Kolkata07:00 in Kolkata08:00 in Kolkata09:00 in Kolkata10:00 in Kolkata11:00 in Kolkata12:00 in Kolkata13:00 in Kolkata14:00 in Kolkata15:00 in Kolkata16:00 in Kolkata17:00 in Kolkata18:00 in Kolkata19:00 in Kolkata20:00 in Kolkata21:00 in Kolkata22:00 in Kolkata23:00 in Kolkata
Kolkata——000102030405060708091011121314151617181920212223
Saint Petersburg——000102030405060708091011121314151617181920212223
  • Working hours
  • Shoulder
  • Night
  • Overlap

Do more with Kolkata and Saint Petersburg

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

Best hours to call

11:00 in Kolkata
Inside working hours on both sides
09:00 in Saint Petersburg
12:00 in Kolkata
Inside working hours on both sides
10:00 in Saint Petersburg
13:00 in Kolkata
Inside working hours on both sides
11:00 in Saint Petersburg
14:00 in Kolkata
Inside working hours on both sides
12:00 in Saint Petersburg

Where daylight saving pulls them apart

Neither Kolkata nor Saint Petersburg changes its clocks, so the gap above holds all year.

Also useful

Common questions

How many hours ahead is Saint Petersburg of Kolkata?

Saint Petersburg is 2½ hours behind Kolkata right now. The gap is not fixed: it moves whenever either side changes its clocks.

What is the best time to call between Kolkata and Saint Petersburg?

Any hour in 11:00–18:00 Kolkata time is inside working hours in both cities.

Do Kolkata and Saint Petersburg change clocks on the same date?

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