MDT to AEST Converter
Time Difference
Mountain Daylight Time is 16 hours behind Australian Eastern Standard Time
4:30 pm16:30 in MDT is 8:30 am08:30 in AEST
MDT to AEST call time
Best time for a conference call or a meeting is between 5am-7am in MDT which corresponds to 9pm-11pm in AEST
4:30 pm16:30 Mountain Daylight Time (MDT). Offset UTC -6:00 hours
8:30 am08:30 Australian Eastern Standard Time (AEST). Offset UTC +10:00 hours
4:30 pm16:30 MDT / 8:30 am08:30 AEST
MDT | AEST |
---|---|
12am (midnight) | 4pm |
1am | 5pm |
2am | 6pm |
3am | 7pm |
4am | 8pm |
5am | 9pm |
6am | 10pm |
7am | 11pm |
8am | 12am (midnight) |
9am | 1am |
10am | 2am |
11am | 3am |
12pm (noon) | 4am |
1pm | 5am |
2pm | 6am |
3pm | 7am |
4pm | 8am |
5pm | 9am |
6pm | 10am |
7pm | 11am |
8pm | 12pm (noon) |
9pm | 1pm |
10pm | 2pm |
11pm | 3pm |
0:00 | 16:00 |
1:00 | 17:00 |
2:00 | 18:00 |
3:00 | 19:00 |
4:00 | 20:00 |
5:00 | 21:00 |
6:00 | 22:00 |
7:00 | 23:00 |
8:00 | 0:00 |
9:00 | 1:00 |
10:00 | 2:00 |
11:00 | 3:00 |
12:00 | 4:00 |
13:00 | 5:00 |
14:00 | 6:00 |
15:00 | 7:00 |
16:00 | 8:00 |
17:00 | 9:00 |
18:00 | 10:00 |
19:00 | 11:00 |
20:00 | 12:00 |
21:00 | 13:00 |
22:00 | 14:00 |
23:00 | 15:00 |
Mountain Daylight Time
Offset: MDT is 6 hours behind Greenwich Mean Time (GMT) and is used in North America
Countries: It is used in following countries: Canada, Mexico, United States
Principal Cities: The largest city in the MDT timezone is Calgary from Canada with population about 1.02 million people. Other major cities in the area are 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 timezone, however during winter some places switch clocks for one hour back and observe Mountain Standard Time (MST).
Start: Mountain Daylight Time (MDT) started on Sunday, March 9, 2025 at 2:00 am local time and clocks were set one hour forward to Sunday, March 9, 2025, 3:00 am. Daylight saving starts annually the on second Sunday of March
End: Mountain Daylight Time (MDT) ends on Sunday, November 2, 2025 at 2:00 am local time and clocks are set one hour back to Sunday, November 2, 2025, 1:00 am local standard time instead. Daylight saving ends annually the on first Sunday of November
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 six hour and zero minutes time differences 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
Australian Eastern Standard Time
Offset: AEST is 10 hours ahead Greenwich Mean Time (GMT) and is used in Australia
Countries: It is used in following countries: Australia
Principal Cities: The largest city in the AEST timezone is Sydney from Australia with population about 4.627 million people. Other major cities in the area are Melbourne, Brisbane, Gold Coast, Canberra

Daylight Saving: This is a standard timezone, however during summer some places switch clocks for one hour forward when daylight saving comes into effect and observe Australian Eastern Daylight Time (AEDT).
Start: Australian Eastern Standard Time (AEST) started on Sunday, April 6, 2025 at 3:00 am local time and clocks were set one hour back to Sunday, April 6, 2025, 2:00 am. Standard time starts annually the on first Sunday of April.
End: Australian Eastern Standard Time (AEST) ends on Sunday, October 5, 2025 at 2:00 am local time and clocks are set one hour forward to Sunday, October 5, 2025, 3:00 am local daylight time instead. Standard time starts annually the on first Sunday of October.
Australian Eastern Standard Time (AEST) is used in Queensland, Victoria, Tasmania, New South Wales (except Broken Hill), Australian Capital Territory and in folling major cities Brisbane, Sydney, Melbourne, Hobart, Canberra
Only part of Australia observe daylight saving. It is used in New South Wales, Victoria, South Australia, Tasmania, and the Australian Capital Territory. Daylight saving is not observed in Queensland, Western Australia or the Northern Territory.
AEST representations, usage and related time zones
- +10 - basic short
- +1000 - basic
- +10:00 - extended
- +1000 - sign character (+) followed by a four digit time providing hours (10) and minutes (00) of the offset. Indicates ten hour and zero minutes time differences to the east of the zero meridian.
- Kilo - Military abbreviation for AEST
- K - short form of 'Kilo'
- Antarctica/Macquarie
- Australia/ACT
- Australia/Brisbane
- Australia/Canberra
- Australia/Currie
- Australia/Hobart
- Australia/Lindeman
- Australia/Melbourne
- Australia/NSW
- Australia/Queensland
- Australia/Sydney
- Australia/Tasmania
- Australia/Victoria
- AEST - Australian Eastern Standard Time
- CHUT - Chuuk Time
- ChST - Chamorro Standard Time
- K - Kilo Time Zone
- KDT - Korea Daylight Time
- PGT - Papua New Guinea Time
- VLAT - Vladivostok Time
- YAKST - Yakutsk Summer Time
- YAPT - Yap Time