Billings, MT, USA to Adelaide, Australia
Time Difference
MDT (Mountain Daylight Time) is 15 hours and 30 minutes behind ACST (Australian Central Standard Time)
12:00 pm12:00 in Billings, MT, USA is 3:30 am03:30 in Adelaide, Australia
Billings to Adelaide call time
Best time for a conference call or a meeting is between 5am-7am in Billings which corresponds to 8:30pm-10:30pm in Adelaide
12:00 pm12:00 MDT (Mountain Daylight Time) (Billings, MT, USA). Offset UTC -6:00 hours
3:30 am03:30 ACST (Australian Central Standard Time) (Adelaide, Australia). Offset UTC +9:30 hours
12:00 pm12:00 Billings, MT, USA / 3:30 am03:30 Adelaide, Australia
| Billings, MT, USA | Adelaide, Australia |
|---|---|
| 12am (midnight) | 3:30 pm |
| 1am | 4:30 pm |
| 2am | 5:30 pm |
| 3am | 6:30 pm |
| 4am | 7:30 pm |
| 5am | 8:30 pm |
| 6am | 9:30 pm |
| 7am | 10:30 pm |
| 8am | 11:30 pm |
| 9am | 12:30 am |
| 10am | 1:30 am |
| 11am | 2:30 am |
| 12pm (noon) | 3:30 am |
| 1pm | 4:30 am |
| 2pm | 5:30 am |
| 3pm | 6:30 am |
| 4pm | 7:30 am |
| 5pm | 8:30 am |
| 6pm | 9:30 am |
| 7pm | 10:30 am |
| 8pm | 11:30 am |
| 9pm | 12:30 pm |
| 10pm | 1:30 pm |
| 11pm | 2:30 pm |
| 0:00 | 15:30 |
| 1:00 | 16:30 |
| 2:00 | 17:30 |
| 3:00 | 18:30 |
| 4:00 | 19:30 |
| 5:00 | 20:30 |
| 6:00 | 21:30 |
| 7:00 | 22:30 |
| 8:00 | 23:30 |
| 9:00 | 0:30 |
| 10:00 | 1:30 |
| 11:00 | 2:30 |
| 12:00 | 3:30 |
| 13:00 | 4:30 |
| 14:00 | 5:30 |
| 15:00 | 6:30 |
| 16:00 | 7:30 |
| 17:00 | 8:30 |
| 18:00 | 9:30 |
| 19:00 | 10:30 |
| 20:00 | 11:30 |
| 21:00 | 12:30 |
| 22:00 | 13:30 |
| 23:00 | 14:30 |
Billings Information
Time Zone
Abbreviation / Name
MDT - Mountain Daylight Time
HAR - Heure Avancée des Rocheuses
HAR - Heure Avancée des Rocheuses
UTC / GMT Offset
-6:00 hours during Mountain Daylight Time, currently in use.
-6:00 hours during Heure Avancée des Rocheuses.
-6:00 hours during Heure Avancée des Rocheuses.
Daylight Saving Time Change
0:00 hours - DST is in use
Daylight Saving Time Starts
Sunday, March 9, 2025 at 2:00 am local time. DST starts annually the on second Sunday of March. Clocks are turned forward 0 hour to Sunday, March 9, 2025, 3:00 am local daylight time instead. Also called Spring Forward or Summer Time.
Daylight Saving Time Ends
Sunday, November 2, 2025 at 2:00 am local time. DST ends annually the on first Sunday of November. Clocks are turned backward 0 hour to Sunday, November 2, 2025, 1:00 am local standard time instead. Also called Fall Back or switch to Winter Time.
Billings Facts
Country
USA
State
Montana
Alternative Names
Area metropolitana de Billings, BIL, Belinum, Billings, Billings Metropolitan Area, biringusu, Área metropolitana de Billings, Биллингс, ビリングス
Population
110,263
Currency
Dollar (USD)
Geographic Coordinates
45° 46' N Latitude / 108° 30' W Longitude
International Dialing Code
+1
Adelaide Information
Time Zone
Abbreviation / Name
ACST - Australian Central Standard Time
ACDT - Australian Central Daylight Time
ACDT - Australian Central Daylight Time
UTC / GMT Offset
+9:30 hours during Australian Central Standard Time, currently in use.
+10:30 hours during Australian Central Daylight Time.
+10:30 hours during Australian Central Daylight Time.
Daylight Saving Time Change
+1:00 hour - DST is NOT in use
Daylight Saving Time Starts
Sunday, October 5, 2025 at 2:00 am local time. DST starts annually the on first Sunday of October. Clocks are turned forward 1 hour to Sunday, October 5, 2025, 3:00 am local daylight time instead. Also called Spring Forward or Summer Time.
Daylight Saving Time Ends
Sunday, April 6, 2025 at 3:00 am local time. DST ends annually the on first Sunday of April. Clocks are turned backward 1 hour to Sunday, April 6, 2025, 2:00 am local standard time instead. Also called Fall Back or switch to Winter Time.
Adelaide Facts
Country
Australia
Alternative Names
ADL, Adehlaida, Adelaida, Adelaidae, Adelaide, Adelaidis, Adelaidė, Adelajda, Adelajdo, Adelaïda, Adelaïde, Adelejd, Adelàida, Adélaïde, Edelaid, Tarndanya, Tarndarnya, a de lai de, adelaida, aderedo, adilaid, adiled, adlayd, adylyd, aedeulleideu, atileyit, edile'ida, edileda, Αδελαΐδα, Аделаидæ, Аделаида, Аделаїда, Аделейд, Аделејд, Адэлаіда, Ադելաիդա, אדלייד, آدلاید, أديليد, ئادېلايدې, ایڈیلیڈ, एडिलेड, ॲdaleda, ॲडलेड, એડિલેઇડ, அடிலெயிட், అడిలైడ్, ಅಡಿಲೇಡ್, അഡിലെയ്ഡ്, แอดิเลด, အက်ဒလိတ်မြို့, ადელაიდა, アデレード, 阿德来得, 阿德莱德, 애들레이드
Population
1,225,235
Currency
Dollar (AUD)
Geographic Coordinates
34° 55' S Latitude / 138° 35' E Longitude
International Dialing Code
+61