MDT to AWST Converter & Meeting Planner
Quick answer: 9:00 AM MDT = 11:00 PM AWST (fixed -06:00 standard offset — not DST-adjusted). Use the interactive converter below for DST-aware local-time scheduling.
Planning a call or meeting between Mountain Daylight Time (MDT) and Australian Western Standard Time (AWST)? You need to account for the standard time difference. Australian Western Standard Time is normally 14 hours ahead of Mountain Daylight Time. Whether you are coordinating between teams in Denver and Salt Lake City and Perth and Bunbury, our live tool has you covered. Use our interactive overlap studio below to find the perfect waking hours for both regions, taking into account any seasonal Daylight Saving Time (DST) changes.
24-Hour Conversion Table
Quick reference: 12:00 AM MDT = 2:00 PM AWST. The full 24-hour MDT to AWST table below uses fixed standard offsets for exact abbreviation searches.
Example: 3:00 PM MDT = 5:00 AM AWST (+1 day).
| MDT Time | AWST Time |
|---|---|
| 12:00 AM (00:00) | 2:00 PM (14:00) |
| 1:00 AM (01:00) | 3:00 PM (15:00) |
| 2:00 AM (02:00) | 4:00 PM (16:00) |
| 3:00 AM (03:00) | 5:00 PM (17:00) |
| 4:00 AM (04:00) | 6:00 PM (18:00) |
| 5:00 AM (05:00) | 7:00 PM (19:00) |
| 6:00 AM (06:00) | 8:00 PM (20:00) |
| 7:00 AM (07:00) | 9:00 PM (21:00) |
| 8:00 AM (08:00) | 10:00 PM (22:00) |
| 9:00 AM (09:00) | 11:00 PM (23:00) |
| 10:00 AM (10:00) | 12:00 AM (00:00)+1 day |
| 11:00 AM (11:00) | 1:00 AM (01:00)+1 day |
| 12:00 PM (12:00) | 2:00 AM (02:00)+1 day |
| 1:00 PM (13:00) | 3:00 AM (03:00)+1 day |
| 2:00 PM (14:00) | 4:00 AM (04:00)+1 day |
| 3:00 PM (15:00) | 5:00 AM (05:00)+1 day |
| 4:00 PM (16:00) | 6:00 AM (06:00)+1 day |
| 5:00 PM (17:00) | 7:00 AM (07:00)+1 day |
| 6:00 PM (18:00) | 8:00 AM (08:00)+1 day |
| 7:00 PM (19:00) | 9:00 AM (09:00)+1 day |
| 8:00 PM (20:00) | 10:00 AM (10:00)+1 day |
| 9:00 PM (21:00) | 11:00 AM (11:00)+1 day |
| 10:00 PM (22:00) | 12:00 PM (12:00)+1 day |
| 11:00 PM (23:00) | 1:00 PM (13:00)+1 day |
Best time to call Perth from Denver
For most work calls, compare the normal business day in Denver (MDT) with the business day in Perth (AWST). MDT commonly covers North America, while AWST is mainly associated with Oceania, Australia.
⚠️ Note: 2026-07-05 is not a normal workday in one or both regions based on their configured calendar. The overlap below should be treated as a reference, not a guaranteed office-hours window.
⚠️ There is no clean same-day business-hours overlap on 2026-07-05. A practical compromise is around 6:30 PM MDT, which reaches 8:30 AM AWST near the start of their workday.
- DST Safety: MDT or AWST may shift during Daylight Saving Time. Always confirm the converted time for your specific date.
- Australian Securities Exchange (ASX) - Local Perth Hours: 08:00-14:00 local time in Perth.
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Frequently Asked Questions
What is the time difference between MDT and AWST?
During standard time, Australian Western Standard Time is 14 hours ahead of Mountain Daylight Time.
When does MDT start and end?
MDT begins on the second Sunday in March at 02:00 local MST time, when clocks spring forward one hour from MST (UTC-7) to MDT (UTC-6). It ends on the first Sunday in November at 02:00 local MDT time, when clocks fall back to MST. In 2026, MDT runs from March 8 through November 1, covering the majority of the calendar year.
Is Arizona on MDT?
Most of Arizona — including Phoenix and Tucson — does not observe Daylight Saving Time and remains on MST (UTC-7) year-round under a state law in effect since 1968, meaning Arizona does not advance to MDT each March. The significant exception is the Navajo Nation, a sovereign territory spanning parts of northeastern Arizona, southeastern Utah, and northwestern New Mexico, which does observe DST and shifts to MDT on the standard federal schedule.
Does Perth observe Daylight Saving Time?
Perth and the rest of Western Australia do not observe Daylight Saving Time. Western Australians have voted against DST in multiple state referendums — most recently in 2009 — and AWST remains permanently fixed at UTC+08:00 throughout the year.
Are AWST and China Standard Time the same?
AWST and China Standard Time (CST) share the exact same UTC+08:00 offset, meaning Perth and Beijing operate on an identical clock. The same applies to Singapore Time (SGT) and Malaysia Time (MYT) — all three are perfectly synchronized with AWST, eliminating offset calculations entirely for the resource and commodity trade flows that connect Perth to these major Asian markets.