• JST Time to BST Time Converter

    JST = UTC + 09:00

    20:00:11

    Wednesday, December 10, 2025

    GMT = UTC + 00:00

    11:00:11

    Wednesday, December 10, 2025

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

    JST(Japan Standard Time)

    Japan Standard Time(JST) is 09:00 hours ahead of Coordinated Universal(UTC) Time.This timezone is used during standard time in: Asia

    Typical City of JST (Japan Standard Time)

    Japan - Tokyo (All Year)

    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)