• AST Time to D Time Converter

    AST = UTC - 04:00

    08:02:13

    Sunday, December 14, 2025

    D = UTC + 04:00

    16:02:13

    Sunday, December 14, 2025

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

    AST(Atlantic Standard Time)

    Atlantic Standard Time(AST) is 04:00 hours behind Coordinated Universal(UTC) Time.This timezone is used during standard time in: North America

    Typical City of AST (Atlantic Standard Time)

    Canada - Halifax (Winter)
    Canada - Blanc-Sablon (All Year)
    Bermuda - Hamilton (Winter)
    Dominican Republic - Santo Domingo (All Year)
    Sint Maarten - Philipsburg (All Year)

    D(Delta Time Zone)

    Delta Time Zone(D) is 04:00 hours ahead of Coordinated Universal(UTC) Time.

    Typical City of D (Delta Time Zone)

    United Arab Emirates - Abu Dhabi (All Year)