• BST Time to X Time Converter

    GMT = UTC + 00:00

    19:10:37

    Tuesday, December 16, 2025

    X = UTC - 11:00

    08:10:37

    Tuesday, December 16, 2025

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

    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)

    X(X-ray Time Zone)

    X-ray Time Zone(X) is 11:00 hours behind Coordinated Universal(UTC) Time.

    Typical City of X (X-ray Time Zone)

    American Samoa - Pago Pago (All Year)