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    Australian Central Time Zone

    Time Zone of a Place
    Time zone of

    What is the Australian Central Time Zone?

    Answer

    Australian Central Time Zone
    UTC+9:30 (ACST) and UTC+10:30 (ACDT)

    Time Zone Facts

    Abbreviations
    ACST / ACDT
    Standard time
    UTC+9:30
    Daylight saving time
    UTC+10:30
    Clock changes
    standard time from April 5, 2026 and daylight time from October 4, 2026
    Daylight saving time in effect now
    No

    Where This Zone Applies

    The clocks do not change everywhere in this zone: some places stay on standard time all year.
    PlaceStandard timeClock changes
    Australia — South Australia, half an hour behind the east, switching to summer timeUTC+9:30Yes
    Australia — the Northern Territory, which keeps Central Time all yearUTC+9:30No

    Time Difference

    UTC
    9 hours 30 minutes ahead
    Eastern Time
    13 hours 30 minutes ahead
    Central Time
    14 hours 30 minutes ahead
    Mountain Time
    15 hours 30 minutes ahead
    Pacific Time
    16 hours 30 minutes ahead
    Moscow Time
    MSK+6:30 in standard time, MSK+7:30 in daylight time

    Current time in the zone

    UTC+9:30
    UTC+9:30 — add 9 hours 30 minutes to UTC

    See Also

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    https://calculat.io/en/date/time-zone/acstCopy
    <a href="https://calculat.io/en/date/time-zone/acst">Australian Central Time Zone: UTC+9:30 / UTC+10:30 - Calculatio</a>Copy
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    Australian Central Time Zone: UTC+9:30 / UTC+10:30. Australian Central Time Zone: UTC+9:30 (ACST) and UTC+10:30 (ACDT). See the difference from UTC, the four US zones and Moscow.
    https://calculat.io/en/date/time-zone/acst/generated.jpgCopy

    Named Time Zones

    Time zoneStandard timeDaylight saving time
    Alaska TimeUTC−9UTC−8
    Atlantic TimeUTC−4UTC−3
    Australian Central TimeUTC+9:30UTC+10:30
    Australian Eastern TimeUTC+10UTC+11
    Australian Western TimeUTC+8not observed
    Brasília TimeUTC−3not observed
    Central European TimeUTC+1UTC+2
    Central TimeUTC−6UTC−5
    Chamorro TimeUTC+10not observed
    East Africa TimeUTC+3not observed
    Eastern European TimeUTC+2UTC+3
    Eastern TimeUTC−5UTC−4
    Greenwich Mean TimeUTCUTC+1
    Hawaii–Aleutian TimeUTC−10not observed
    Hong Kong TimeUTC+8not observed
    India Standard TimeUTC+5:30not observed
    Irish TimeUTCUTC+1
    Irkutsk TimeUTC+8not observed
    Israel TimeUTC+2UTC+3
    Japan Standard TimeUTC+9not observed
    Kaliningrad TimeUTC+2not observed
    Kamchatka TimeUTC+12not observed
    Korea Standard TimeUTC+9not observed
    Krasnoyarsk TimeUTC+7not observed
    Magadan TimeUTC+11not observed
    Mexican Central TimeUTC−6not observed
    Mexican Northwest TimeUTC−8UTC−7
    Mexican Pacific TimeUTC−7not observed
    Mexican Southeast TimeUTC−5not observed
    Moscow TimeUTC+3not observed
    Mountain TimeUTC−7UTC−6
    Newfoundland TimeUTC−3:30UTC−2:30
    New Zealand TimeUTC+12UTC+13
    Omsk TimeUTC+6not observed
    Pacific TimeUTC−8UTC−7
    Samara TimeUTC+4not observed
    Samoa TimeUTC−11not observed
    South Africa Standard TimeUTC+2not observed
    Vladivostok TimeUTC+10not observed
    Western European TimeUTCUTC+1

    Time Zone of a Place

    This reference shows what time zone a place is in: the name of the zone and its abbreviations, the UTC offset in standard and daylight time, whether the clocks change there and when, plus the difference from UTC, from the four US zones and from Moscow. For example, it can help you find out what is the Australian Central Time Zone? (The answer is: UTC+9:30 (ACST) and UTC+10:30 (ACDT)). Pick a place or a zone (e.g. 'Australian Central Time') and hit the 'Find out' button.
    Time Zone of a Place
    Time zone of

    FAQ

    What is the Australian Central Time Zone?

    Australian Central Time Zone UTC+9:30 (ACST) and UTC+10:30 (ACDT)

    Where does the Australian Central Time Zone apply?

    The zone covers 2 entries of this reference; the table above lists them with their offsets.

    Do the clocks change in the Australian Central Time Zone?

    Yes: UTC+9:30 in standard time and UTC+10:30 in daylight time. The clocks do not change everywhere in this zone: some places stay on standard time all year.

    What does ACST stand for?

    ACST is the standard time of the zone (UTC+9:30), and ACDT its daylight time (UTC+10:30).