Convert Australian Western Standard Time to Mountain Standard Time
Instantly convert Australian Western Standard Time (AWST) to Mountain Standard Time (MST) with our free online calculator.
Australian Western Standard Time
01:20:50 PM
Wed, Jun 24 (AWST)
Mountain Standard Time
10:20:50 PM
Tue, Jun 23 (MST)
Convert a Specific Time
24-Hour Comparison
| AWST | MST |
|---|---|
| 12:00 AM | 9:00 AM(-1d) |
| 1:00 AM | 10:00 AM(-1d) |
| 2:00 AM | 11:00 AM(-1d) |
| 3:00 AM | 12:00 PM(-1d) |
| 4:00 AM | 1:00 PM(-1d) |
| 5:00 AM | 2:00 PM(-1d) |
| 6:00 AM | 3:00 PM(-1d) |
| 7:00 AM | 4:00 PM(-1d) |
| 8:00 AM | 5:00 PM(-1d) |
| 9:00 AM | 6:00 PM(-1d) |
| 10:00 AM | 7:00 PM(-1d) |
| 11:00 AM | 8:00 PM(-1d) |
| 12:00 PM | 9:00 PM(-1d) |
| 1:00 PM | 10:00 PM(-1d) |
| 2:00 PM | 11:00 PM(-1d) |
| 3:00 PM | 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 |
How to Convert Australian Western Standard Time to Mountain Standard Time
Formula
To convert Australian Western Standard Time (AWST) to Mountain Standard Time (MST): Convert AWST to MST
About Australian Western Standard Time (AWST)
Australian Western Standard Time (AWST, IANA: Australia/Perth) is the civil time of Western Australia (WA), set at UTC+8:00 year-round (no DST). Western Australia has rejected Daylight Saving Time in four separate referendums (1975, 1984, 1992, 2009 — each time defeated), so AWST is observed without seasonal change despite the rest of Australia (eastern states) observing AEDT in summer. The unusual situation creates a 3-hour offset between Perth (AWST = UTC+8) and Sydney (AEDT = UTC+11) in summer, vs. the standard 2-hour offset in winter (AWST UTC+8 vs AEST UTC+10). AWST is identical in offset to China Standard Time (CST), Singapore Time (SGT), Hong Kong Time (HKT), Philippine Time (PHT), Malaysia Time (MYT). AWST serves approximately 2.8 million Western Australian residents — the world's largest sub-national area on a single time zone (WA is 2.527 million km² = larger than Western Europe). Major AWST cities: Perth (2.1M metro — Australia's 4th-largest city), Mandurah (95K), Bunbury (75K), Geraldton (40K), Kalgoorlie-Boulder (30K — gold mining hub), Albany (35K — historic whaling port), Broome (15K — pearl industry + tourism), Karratha (15K — Pilbara iron-ore export hub). Affects: ASX (Australian Securities Exchange) operations from Perth offices, Rio Tinto / BHP Pilbara iron-ore shipping coordination.
About Mountain Standard Time (MST)
Mountain Standard Time (MST, IANA: America/Denver and America/Phoenix) is the time zone for the US Mountain region and most of Canada's Rocky Mountain provinces, set at UTC-7:00. MST is observed from the first Sunday in November to the second Sunday in March; the region switches to Mountain Daylight Time (MDT = UTC-6:00) for the remainder of the year — EXCEPT for the State of Arizona (excluding Navajo Nation), which stays on MST year-round per Arizona Revised Statutes §1-242. Major MST cities: Denver, Phoenix, Salt Lake City, Albuquerque, El Paso, Tucson, Calgary, Edmonton. MST covers Colorado, Utah, Wyoming, Montana, Idaho (most), New Mexico, Arizona, parts of Texas + Mexico (Sonora). Population ~17 million in the time zone. Affects: NORAD Cheyenne Mountain operations, Denver Mile-High Stadium NFL game scheduling, Colorado ski-resort lift-operating hours, US Bureau of Land Management permit operations, and the Mormon Tabernacle Choir broadcast schedule from Salt Lake City.