• BST Time to CHAST Time Converter

    BST = UTC + 11:00

    05:25:33

    Sunday, April 27, 2025

    CHAST = UTC + 12:45

    07:10:33

    Sunday, April 27, 2025

    BST(Bougainville Standard Time) and CHAST(Chatham Island Standard Time) Mapping Table
    Bougainville Standard Time(BST)Chatham Island Standard Time(CHAST)
    00:0001:45
    01:0002:45
    02:0003:45
    03:0004:45
    04:0005:45
    05:0006:45
    06:0007:45
    07:0008:45
    08:0009:45
    09:0010:45
    10:0011:45
    11:0012:45
    12:0013:45
    13:0014:45
    14:0015:45
    15:0016:45
    16:0017:45
    17:0018:45
    18:0019:45
    19:0020:45
    20:0021:45
    21:0022:45
    22:0023:45
    23:0000:45+1 day

    BST(Bougainville Standard Time)

    Bougainville Standard Time(BST) is 11:00 hours ahead of Coordinated Universal(UTC) Time.This timezone is used during standard time in: Pacific

    Typical City of BST (Bougainville Standard Time)

    Papua New Guinea - Arawa (All Year)

    CHAST(Chatham Island Standard Time)

    Chatham Island Standard Time(CHAST) is 12:45 hours ahead of Coordinated Universal(UTC) Time.This timezone is used during standard time in: PacificChatham Island Standard Time is a half-hour time zone. Its local time differs by 45 minutes instead of the normal whole hour.

    Typical City of CHAST (Chatham Island Standard Time)

    New Zealand - Chatham Islands (Winter)