• UTC Time to AT Time Converter

    UTC = UTC + 00:00

    12:28:10

    Tuesday, October 7, 2025

    AT = UTC - 04:00

    08:28:10

    Tuesday, October 7, 2025

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

    UTC(Coordinated Universal Time)

    Coordinated Universal Time(UTC) has no offset from Coordinated Universal(UTC) Time.

    AT(Atlantic Time)

    Atlantic Time(AT) is 04:00 hours behind Coordinated Universal(UTC) Time.

    Typical City of AT (Atlantic Time)

    Canada - HalifaxBermuda - Hamilton