AWST to Denver
-14hAWST
AWSTSOURCEDenver
MDTGreen rows indicate typical business hours (9 AM - 5 PM)
AWST and MDT on the World Map
The map below highlights the AWST (Australian Western Standard Time) and MDT (Mountain Standard Time) timezone regions across the globe.
AWST – Australian Western Standard Time
UTC+08:00Australian Western Standard Time (AWST) is the time zone for Western Australia, 8 hours ahead of UTC.
- •Western Australia does not observe daylight saving time.
- •Perth is the most isolated major city in the world.
- •AWST is the same offset as China Standard Time and Singapore Time.
MST – Mountain Standard Time
UTC-07:00Mountain Standard Time (MST) is the time zone for the Mountain region of North America, 7 hours behind UTC.
- •Arizona does not observe daylight saving time, staying on MST year-round.
- •The Navajo Nation in Arizona does observe DST, unlike the rest of the state.
- •Denver, the 'Mile High City', is the largest city fully in MST.
- •MST covers 6 US states entirely and parts of several others.
About Denver
WikipediaDenver operates on Mountain Time (MST/MDT), 2 hours behind New York. As a tech and aerospace hub, Denver bridges West Coast and Central US business hours.
Denver International Airport is the largest airport in North America by land area.
Comparing Time Zones: AWST and Denver
AWST runs on Australian Western Standard Time (AWST) at UTC+08:00. Denver runs on Mountain Daylight Time (MDT) at UTC-06:00, also currently on daylight saving time. That puts AWST 14 hours behind Denver — a difference of -14h at the current offsets.
In practice, when it is 9:00 AM in AWST it is 7:00 PM in Denver on the previous day. Midnight in AWST is 10:00 AM in Denver.Denver observes daylight saving time while AWST does not, so the gap narrows or widens by an hour part of the year.
AWST to Denver time conversion table
| AWST (AWST) | Denver (MDT) | Day |
|---|---|---|
| 12:00 AM | 10:00 AM | previous day |
| 6:00 AM | 4:00 PM | previous day |
| 7:00 AM | 5:00 PM | previous day |
| 8:00 AM | 6:00 PM | previous day |
| 9:00 AM | 7:00 PM | previous day |
| 12:00 PM | 10:00 PM | previous day |
| 3:00 PM | 1:00 AM | same day |
| 5:00 PM | 3:00 AM | same day |
| 6:00 PM | 4:00 AM | same day |
| 9:00 PM | 7:00 AM | same day |
Why people convert AWST to Denver time
- Scheduling a call from AWST to Denver: a 10:00 AM start in AWST lands at 8:00 PM in Denver the previous day, so you can confirm the slot without doing the arithmetic yourself.
- Handling a -14h gap: AWST and Denver have no overlap inside a normal 9-to-5 day, so real-time meetings need an early-morning or late-evening slot on one side. 9:00 AM in Denver is 7:00 PM in AWST.
- Keeping family and friends in sync: knowing that 8:00 PM in AWST is 6:00 AM in Denver makes it easy to avoid calling at 3 AM.
- Always state the zone abbreviation, not just the hour. "3:00 PM AWST" is unambiguous; "3 PM" across a -14h gap is not.
- With a -14h gap there is no shared 9-to-5 window, so alternate the early start: one week AWST takes the early slot, the next week Denver does.
- Denver: Clocks fall back on Sun, Nov 1, 2026. Any meeting series spanning that date will shift by an hour in local time.
About AWST (Australian Western Standard Time)
Australian Western Standard Time (AWST) is used in Western Australia. WA does not observe daylight saving time, having rejected it in multiple referendums. Perth is the most remote major city in the world.
About MST (Mountain Standard Time)
Mountain Standard Time (MST) covers the Rocky Mountain region of the United States and Canada. Arizona is notable for not observing daylight saving time, staying on MST year-round (except the Navajo Nation). The time zone includes major cities like Denver, Phoenix, Calgary, and Salt Lake City. During summer, most areas switch to Mountain Daylight Time (MDT, UTC-06:00).
Best time to call between AWST and Denver
With a -14h offset there is no overlap inside a normal 9 AM – 5 PM day. Denver opens at 9:00 AM MDT, which is 7:00 PM in AWST, so real-time calls need an early-morning or late-evening slot on one side.
Business hours overlap
AWST and Denver have no shared working hours because of the -14h gap. Teams need to alternate early starts or rely on asynchronous handovers.
AWST is 14 hours behind Denver (AWST UTC+08:00 → MDT UTC-06:00). There is no shared 9-to-5 window, so plan around an early or late slot. Remember to re-check around daylight-saving transitions.
🕐 Daylight Saving Time Info
AWST
Does not observe DST
Denver
☀ Currently in DST
Standard: UTC-07:00 · DST: UTC-06:00
Clocks fall back on Sun, Nov 1, 2026
Learn More About Time
Dive deeper into the fascinating world of timekeeping, time zones, and how they shape our global society:
Frequently Asked Questions
What is the time difference between AWST and Denver?
AWST (AWST, UTC+08:00) is 14 hours behind Denver (MDT, UTC-06:00). The gap is currently -14h.
How do I convert AWST time to Denver time?
Add -14h to AWST local time. For example, 9:00 AM in AWST is 7:00 PM in Denver (previous day).
What time is it in Denver right now?
Denver uses MDT at UTC-06:00. Use the live converter at the top of this page — it updates in real time and already accounts for the -14h offset from AWST.
What is the best time to call Denver from AWST?
There is no shared working-hours window because of the -14h gap. The closest option is 1:00 PM in AWST, which is 11:00 PM in Denver.
Which is behind, AWST or Denver?
AWST is 14 hours behind Denver. When it is 12:00 PM in AWST it is 10:00 PM in Denver.
Do AWST and Denver use different time zones?
AWST uses AWST at UTC+08:00, while Denver (USA) uses MDT at UTC-06:00. The IANA identifiers are Australia/Perth and America/Denver.
Does daylight saving time affect the AWST–Denver difference?
Yes at the moment: Denver is on daylight saving time and AWST is not, so the -14h gap shifts by an hour when exactly one of them changes clocks.
Which other cities share AWST's time zone?
AWST also covers Perth, Mandurah, Bunbury, Geraldton.
Which countries use AWST, AWST's zone?
AWST is used in Australia (Western Australia).
Is there a day difference between AWST and Denver?
Sometimes. The -14h gap is large enough that 8:00 PM or later in AWST already falls on the in Denver.
What is the time difference between AWST and Denver?
Denver is -14h from AWST.
What timezone is AWST in?
AWST operates on its local timezone.
What timezone is Denver in?
Denver operates on Mountain Time (MST/MDT), 2 hours behind New York. As a tech and aerospace hub, Denver bridges West Coast and Central US business hours.
What are the business hours in Denver?
Standard business hours in Denver are 8:00 AM - 5:00 PM MST.
Which countries use AWST (Australian Western Standard Time)?
AWST is used in Australia (Western Australia).
Does AWST observe daylight saving time?
No, AWST does not observe daylight saving time and remains at UTC+08:00 year-round.
What are some interesting facts about AWST?
Western Australia does not observe daylight saving time. Perth is the most isolated major city in the world.
Which cities are in the MST timezone?
Major cities in the MST timezone include Denver, Phoenix, Salt Lake City, Calgary, Edmonton, Albuquerque, El Paso, Tucson.
What is the UTC offset for MST?
Mountain Standard Time (MST) is at UTC-07:00. During daylight saving time, it shifts to MDT.
What should I know about the MST timezone?
Arizona does not observe daylight saving time, staying on MST year-round. The Navajo Nation in Arizona does observe DST, unlike the rest of the state.
When is it midnight in AWST, what time is it in Denver?
When it is 12:00 AM (midnight) in AWST (AWST), it is -14h later in Denver (MST).
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