World Timezones

Mumbai to Kolkata Converter

Compare Kolkata to Mumbai instead
Mumbai4:55 pmSat, Jul 25
MumbaiIST
India · UTC+5:30
4:55 pmSat, Jul 25
12a
1a
2a
3a
4a
5a
6a
7a
8a
9a
10a
11a
12p
1p
2p
3p
4p
5p
6p
7p
8p
9p
10p
11p
KolkataIST
India · UTC+5:30
4:55 pmSat, Jul 25
12a
1a
2a
3a
4a
5a
6a
7a
8a
9a
10a
11a
12p
1p
2p
3p
4p
5p
6p
7p
8p
9p
10p
11p

Offset

There is no time difference between Mumbai and Kolkata.

Same time

Mumbai (IST) is currently the same time as Kolkata (IST).

IST: UTC+5:30

IST: UTC+5:30

Neither Mumbai nor Kolkata is currently observing daylight saving time.

When to schedule

Business-hours overlap: 9 AM–5 PM in Mumbai (9 AM–5 PM in Kolkata).

Both teams are in working hours during this window on weekdays.

Suggested time: 1:00 PM Mumbai (1:00 PM Kolkata).

About these zones

Mumbai uses India Standard Time (IST). To call India, dial +91.

Kolkata uses India Standard Time (IST). To call India, dial +91.

Kolkata is approximately 1,050 miles east of Mumbai.

Quick reference

Full 24-hour conversion table — tap any time to open it in the converter.

MumbaiKolkataDay
12:00 am12:00 amSame day
1:00 am1:00 amSame day
2:00 am2:00 amSame day
3:00 am3:00 amSame day
4:00 am4:00 amSame day
5:00 am5:00 amSame day
6:00 am6:00 amSame day
7:00 am7:00 amSame day
8:00 am8:00 amSame day
9:00 am9:00 amSame day
10:00 am10:00 amSame day
11:00 am11:00 amSame day
12:00 pm12:00 pmSame day
1:00 pm1:00 pmSame day
2:00 pm2:00 pmSame day
3:00 pm3:00 pmSame day
4:00 pm4:00 pmSame day
5:00 pm5:00 pmSame day
6:00 pm6:00 pmSame day
7:00 pm7:00 pmSame day
8:00 pm8:00 pmSame day
9:00 pm9:00 pmSame day
10:00 pm10:00 pmSame day
11:00 pm11:00 pmSame day

Daylight saving time

Neither Mumbai nor Kolkata observes daylight saving time. The offset between these zones remains constant year-round.

See the daylight saving time page for transition dates across every time zone.

Daylight today

Mumbai
Sunrise
6:13 AM
Sunset
7:18 PM
Day length
13h 5m
Kolkata
Sunrise
5:06 AM
Sunset
6:22 PM
Day length
13h 16m

Daylight overlap: 12h 9m — 6:13 AM–6:22 PM in Mumbai (6:13 AM–6:22 PM in Kolkata). Both locations are in daylight during this window.

Cities in these zones

Browse all cities to see the current local time anywhere.

Airports in these zones

Airports in India Standard Time

  • BOM
  • NMI
  • DEL
  • BLR
  • HYD
  • AMD
  • MAA
  • CCU
  • STV
  • PNQ

Airports in India Standard Time

  • BOM
  • NMI
  • DEL
  • BLR
  • HYD
  • AMD
  • MAA
  • CCU
  • STV
  • PNQ

Related conversions

Common conversions

What is 9:00 am Mumbai in Kolkata?
9:00 am Mumbai is 9:00 am Kolkata.
What is 12:00 pm Mumbai in Kolkata?
12:00 pm Mumbai is 12:00 pm Kolkata.
What is 12:30 pm Mumbai in Kolkata?
12:30 pm Mumbai is 12:30 pm Kolkata.
What is 2:00 pm Mumbai in Kolkata?
2:00 pm Mumbai is 2:00 pm Kolkata.
What is 5:00 pm Mumbai in Kolkata?
5:00 pm Mumbai is 5:00 pm Kolkata.
What is 11:30 pm Mumbai in Kolkata?
11:30 pm Mumbai is 11:30 pm Kolkata.