• IST Time to Kolkata Time Converter

    GMT = UTC + 00:00

    10:47:22

    Friday, December 19, 2025

    Kolkata Time = UTC + 5:30

    16:17:22

    Friday, December 19, 2025

    GMT(Greenwich Mean Time) and Kolkata(Kolkata)Time Mapping Table
    Greenwich Mean Time(GMT)KolkataTime(Kolkata)
    00:0005:30
    01:0006:30
    02:0007:30
    03:0008:30
    04:0009:30
    05:0010:30
    06:0011:30
    07:0012:30
    08:0013:30
    09:0014:30
    10:0015:30
    11:0016:30
    12:0017:30
    13:0018:30
    14:0019:30
    15:0020:30
    16:0021:30
    17:0022:30
    18:0023:30
    19:0000:30+1 day
    20:0001:30+1 day
    21:0002:30+1 day
    22:0003:30+1 day
    23:0004:30+1 day

    GMT(Greenwich Mean Time)

    Greenwich Mean Time(GMT) has no offset from Coordinated Universal(UTC) Time.

    Typical City of GMT (Greenwich Mean Time)

    United Kingdom - London (Winter)
    Iceland - Reykjavik (All Year)
    Sierra Leone - Freetown (All Year)
    Greenland - Danmarkshavn (All Year)
    Antarctica - Troll Station (Summer)

    Kolkata(Kolkata)

    Kolkata is a city of India. The official language is Bengali, English, and the currency is Indian Rupee (INR). The international dial code for India is 91. The timezone Kolkata located is India Standard Time(Abbr:IST).