MDT to Adelaide, Australia
Compare MDT time with Adelaide time, including current local time, UTC offsets, time difference, daylight saving changes, working hours, and shareable meeting times.
Time Difference
Mountain Standard Time is 17 hours and 30 minutes behind ACDT (Australian Central Daylight Time)
5:00 am05:00 in MST is 10:30 pm22:30 in Adelaide, Australia
MST to Adelaide call time
Best time for a conference call or a meeting is between 3:30pm-5pm in MST which corresponds to 9am-10:30am in Adelaide (next day)
5:00 am05:00 Mountain Standard Time (MST). Offset UTC -7:00 hours
10:30 pm22:30 ACDT (Australian Central Daylight Time) (Adelaide, Australia). Offset UTC +10:30 hours
5:00 am05:00 MST / 10:30 pm22:30 Adelaide, Australia
| MST | Adelaide, Australia |
|---|---|
| 12am (midnight) | 5:30 pm |
| 1am | 6:30 pm |
| 2am | 7:30 pm |
| 3am | 8:30 pm |
| 4am | 9:30 pm |
| 5am | 10:30 pm |
| 6am | 11:30 pm |
| 7am | 12:30 am |
| 8am | 1:30 am |
| 9am | 2:30 am |
| 10am | 3:30 am |
| 11am | 4:30 am |
| 12pm (noon) | 5:30 am |
| 1pm | 6:30 am |
| 2pm | 7:30 am |
| 3pm | 8:30 am |
| 4pm | 9:30 am |
| 5pm | 10:30 am |
| 6pm | 11:30 am |
| 7pm | 12:30 pm |
| 8pm | 1:30 pm |
| 9pm | 2:30 pm |
| 10pm | 3:30 pm |
| 11pm | 4:30 pm |
| 00:00 | 17:30 |
| 01:00 | 18:30 |
| 02:00 | 19:30 |
| 03:00 | 20:30 |
| 04:00 | 21:30 |
| 05:00 | 22:30 |
| 06:00 | 23:30 |
| 07:00 | 00:30 |
| 08:00 | 01:30 |
| 09:00 | 02:30 |
| 10:00 | 03:30 |
| 11:00 | 04:30 |
| 12:00 | 05:30 |
| 13:00 | 06:30 |
| 14:00 | 07:30 |
| 15:00 | 08:30 |
| 16:00 | 09:30 |
| 17:00 | 10:30 |
| 18:00 | 11:30 |
| 19:00 | 12:30 |
| 20:00 | 13:30 |
| 21:00 | 14:30 |
| 22:00 | 15:30 |
| 23:00 | 16:30 |
Mountain Daylight Time
Offset: MDT is 6 hours behind Greenwich Mean Time (GMT) and is used in North America
Countries using this time zone: Canada, Mexico, United States
Principal Cities: The largest city in the MDT time zone is Calgary in Canada, with about 1.02 million people. Other major cities in this time zone include Edmonton, El Paso, Denver, Albuquerque.
French: HAR - Heure Avancée des Rocheuses
Spanish: MT - Zona Pacífico
Daylight Saving: Mountain Daylight Time (MDT) is a daylight saving/summer time zone, but some places set clocks back one hour during winter and observe Mountain Standard Time (MST).
End: Mountain Daylight Time (MDT) ended on Sunday, November 2, 2025 at 2:00 am local time and clocks were set one hour back to Sunday, November 2, 2025, 1:00 am local standard time instead. Daylight saving ends annually on the first Sunday of November
Start: Mountain Daylight Time (MDT) starts on Sunday, March 8, 2026 at 2:00 am local time and clocks are set one hour forward to Sunday, March 8, 2026, 3:00 am. Daylight saving starts annually on the second Sunday of March
MDT representations, usage and related time zones
- -06 - basic short
- -0600 - basic
- -06:00 - extended
- -0600 - sign character (-) followed by a four digit time providing hours (06) and minutes (00) of the offset. Indicates an offset of six hours to the west of the zero meridian.
- Sierra - Military abbreviation for MDT
- S - short form of 'Sierra'
- America/Boise
- America/Cambridge_Bay
- America/Ciudad_Juarez
- America/Denver
- America/Edmonton
- America/Inuvik
- America/Shiprock
- America/Yellowknife
- Canada/Mountain
- MST7MDT
- Navajo
- US/Mountain
- CST - Central Standard Time
- CT - Central Time
- MDT - Mountain Daylight Time
- EAST - Easter Island Standard Time
- GALT - Galapagos Time
- S - Sierra Time Zone
Adelaide Information
Time Zone
ACDT - Australian Central Daylight Time
+10:30 hours during Australian Central Daylight Time.
Sunday, October 4, 2026 at 2:00 am local time. DST starts annually on the 1st Sunday of October. Clocks are turned forward 1 hour to Sunday, October 4, 2026 at 3:00 am local daylight time instead. Also called Spring Forward or Summer Time.
Sunday, April 5, 2026 at 3:00 am local time. DST ends annually on the 1st Sunday of April. Clocks are turned backward 1 hour to Sunday, April 5, 2026 at 2:00 am local standard time instead. Also called Fall Back or switch to Winter Time.