MDT to AEST Converter
AEST is 16 hours ahead of MDT. This converter turns any Mountain Daylight Time (MDT) time into Australian Eastern Standard Time (AEST) — just click the time or date to change it.
Daylight saving notes
In the United States and Canada, daylight saving time runs from the second Sunday in March to the first Sunday in November. That affects Mountain Daylight Time (MDT).
In southern Australia, daylight saving time runs from the first Sunday in October to the first Sunday in April. That affects Australian Eastern Standard Time (AEST).
MDT to AEST conversion chart
For example, a 9:00 AM MDT meeting takes place at 1:00 AM AEST (+1 day). Concretely, when Denver (MDT) and Sydney (AEST) set up a call, aEST is 16 hours ahead of MDT.
| MDT time | AEST time |
|---|---|
| 12:00 AM | 4:00 PM |
| 1:00 AM | 5:00 PM |
| 2:00 AM | 6:00 PM |
| 3:00 AM | 7:00 PM |
| 4:00 AM | 8:00 PM |
| 5:00 AM | 9:00 PM |
| 6:00 AM | 10:00 PM |
| 7:00 AM | 11:00 PM |
| 8:00 AM | 12:00 AM+1 day |
| 9:00 AM | 1:00 AM+1 day |
| 10:00 AM | 2:00 AM+1 day |
| 11:00 AM | 3:00 AM+1 day |
| 12:00 PM | 4:00 AM+1 day |
| 1:00 PM | 5:00 AM+1 day |
| 2:00 PM | 6:00 AM+1 day |
| 3:00 PM | 7:00 AM+1 day |
| 4:00 PM | 8:00 AM+1 day |
| 5:00 PM | 9:00 AM+1 day |
| 6:00 PM | 10:00 AM+1 day |
| 7:00 PM | 11:00 AM+1 day |
| 8:00 PM | 12:00 PM+1 day |
| 9:00 PM | 1:00 PM+1 day |
| 10:00 PM | 2:00 PM+1 day |
| 11:00 PM | 3:00 PM+1 day |
This chart uses the fixed MDT and AEST offsets; the live converter above follows current daylight saving.
Convert MDT to AEST Time Zone
A quick guide to MDT → AEST: the time gap, the live clocks, scheduling tips, and how we keep it accurate.
Converting MDT to AEST, step by step
It takes three quick steps:
- Click the MDT field on the left and pick the time you want to convert.
- The matching AEST time updates on the right automatically — there’s no button to press.
- Need a different day? Click the date field and the result follows, rolling over if it crosses midnight.
How many hours apart are MDT and AEST?
AEST is 16 hours ahead of MDT. In everyday terms, once you know the time on one side you just add 16 hours to get the other — so a call between Denver and Sydney is always 16 hours apart.
What's the current time in AEST?
Right now the time in Australian Eastern Standard Time (AEST) is Tuesday, June 30, 2026 · 3:53:56 AM. It ticks every second, so you’re always looking at the live AEST clock.
And what time is it in MDT?
And in Mountain Daylight Time (MDT), it’s currently Monday, June 29, 2026 · 11:53:56 AM. Compare the two and the 16 hours gap is easy to see.
When is a good time to schedule a MDT to AEST meeting?
For example, a 9:00 AM MDT meeting takes place at 1:00 AM AEST (+1 day). The trick is to aim for a slot that lands inside normal working hours on both sides. Once you’ve found a time, hit Share on the converter to copy a link with the time built in — easy to send to a colleague. Juggling three or more zones? The meeting planner highlights the hours that overlap for everyone.
Does daylight saving time change the MDT–AEST difference?
The labels MDT and AEST are fixed offsets, so the result on this page is always exact. Both regions move their clocks for daylight saving on roughly the same weekends, so the 16 hours gap usually holds steady right through the year.
How accurate is this MDT to AEST conversion?
We don’t guess. MDT and AEST times are worked out from the official IANA time zone database, the trusted standard that operating systems use worldwide. Because daylight-saving rules and regional offsets do change over time, we track those updates rather than relying on a fixed number — which is exactly where many converters slip up.
Convert MDT to other time zones
- UTC Coordinated Universal Time
- GMT Greenwich Mean Time
- EST Eastern Standard Time
- EDT Eastern Daylight Time
- CST Central Standard Time
- CDT Central Daylight Time
- MST Mountain Standard Time
- PST Pacific Standard Time
- PDT Pacific Daylight Time
- AKST Alaska Standard Time
- AKDT Alaska Daylight Time
- HST Hawaii Standard Time
- AST Atlantic Standard Time
- ADT Atlantic Daylight Time
- NST Newfoundland Standard Time
- NDT Newfoundland Daylight Time
- BRT Brasília Time
- ART Argentina Time
- WET Western European Time
- WEST Western European Summer Time
- CET Central European Time
- CEST Central European Summer Time
- EET Eastern European Time
- EEST Eastern European Summer Time
- BST British Summer Time
- IST Irish Standard Time
- MSK Moscow Standard Time
- TRT Turkey Time
- WAT West Africa Time
- CAT Central Africa Time
- EAT East Africa Time
- SAST South Africa Standard Time
- GST Gulf Standard Time
- IST Israel Standard Time
- IDT Israel Daylight Time
- IST India Standard Time
- PKT Pakistan Standard Time
- BDT Bangladesh Standard Time
- ICT Indochina Time
- WIB Western Indonesian Time
- WITA Central Indonesian Time
- WIT Eastern Indonesian Time
- CST China Standard Time
- HKT Hong Kong Time
- SGT Singapore Time
- PHT Philippine Time
- JST Japan Standard Time
- KST Korea Standard Time
- AWST Australian Western Standard Time
- ACST Australian Central Standard Time
- ACDT Australian Central Daylight Time
- AEST Australian Eastern Standard Time
- AEDT Australian Eastern Daylight Time
- NZST New Zealand Standard Time
- NZDT New Zealand Daylight Time
Convert to AEST from other time zones
- UTC Coordinated Universal Time
- GMT Greenwich Mean Time
- EST Eastern Standard Time
- EDT Eastern Daylight Time
- CST Central Standard Time
- CDT Central Daylight Time
- MST Mountain Standard Time
- MDT Mountain Daylight Time
- PST Pacific Standard Time
- PDT Pacific Daylight Time
- AKST Alaska Standard Time
- AKDT Alaska Daylight Time
- HST Hawaii Standard Time
- AST Atlantic Standard Time
- ADT Atlantic Daylight Time
- NST Newfoundland Standard Time
- NDT Newfoundland Daylight Time
- BRT Brasília Time
- ART Argentina Time
- WET Western European Time
- WEST Western European Summer Time
- CET Central European Time
- CEST Central European Summer Time
- EET Eastern European Time
- EEST Eastern European Summer Time
- BST British Summer Time
- IST Irish Standard Time
- MSK Moscow Standard Time
- TRT Turkey Time
- WAT West Africa Time
- CAT Central Africa Time
- EAT East Africa Time
- SAST South Africa Standard Time
- GST Gulf Standard Time
- IST Israel Standard Time
- IDT Israel Daylight Time
- IST India Standard Time
- PKT Pakistan Standard Time
- BDT Bangladesh Standard Time
- ICT Indochina Time
- WIB Western Indonesian Time
- WITA Central Indonesian Time
- WIT Eastern Indonesian Time
- CST China Standard Time
- HKT Hong Kong Time
- SGT Singapore Time
- PHT Philippine Time
- JST Japan Standard Time
- KST Korea Standard Time
- AWST Australian Western Standard Time
- ACST Australian Central Standard Time
- ACDT Australian Central Daylight Time
- AEDT Australian Eastern Daylight Time
- NZST New Zealand Standard Time
- NZDT New Zealand Daylight Time
Frequently asked questions
How many hours ahead of MDT is AEST?
AEST is 16 hours ahead of MDT — a fixed 16 hours difference, since both are fixed-offset labels.
What time is it in AEST when it's 12:00 PM MDT?
When it's 12:00 PM (noon) MDT, it's 4:00 AM AEST the next day.
Do MDT or AEST use daylight saving time?
Mountain Daylight Time (MDT) observes daylight saving, alternating with MST; Australian Eastern Standard Time (AEST) observes daylight saving, alternating with AEDT.
Why might the real-world MDT–AEST difference change during the year?
The labels MDT and AEST are fixed offsets, so this converter is always exact. But Mountain Daylight Time's region switches between standard and summer time, so for part of the year you may actually want MST to AEST. Always check which label a region is currently using before you schedule.