AEST ↔ MST Time Converter

Convert AEST to MST instantly. Australian Eastern Standard Time is UTC+10 / UTC+11 (AEDT) and Mountain Standard Time is UTC-7 / UTC-6 (MDT) — a 17h difference. Enter any time in either field — both are fully editable. Use the ⇄ button to swap directions.

🕐 Live Current Times

AEST
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Australian Eastern Standard Time
17h behind
⇄ MST→AEST
MST
--:--:--
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Mountain Standard Time

⚡ Bidirectional Time Converter

AEST (UTC+10 / UTC+11 (AEDT)) → MST (UTC-7 / UTC-6 (MDT)) · Difference: 17h behind (auto-adjusts for DST)

ℹ️ Timezone Details

AEST Offset
UTC+10 / UTC+11 (AEDT)
MST Offset
UTC-7 / UTC-6 (MDT)
Difference
17h behind
AEST Full Name
Australian Eastern Standard Time
MST Full Name
Mountain Standard Time
Vice Versa
MST → AEST ↗

🤝 Best Meeting Hours Between AEST and MST

Because MST is 17h behind of AEST, use this table to plan calls that fall in reasonable working hours for both sides.

AESTMSTSuitability
7:00 AM2:00 PMGood — early morning start
8:00 AM3:00 PMBest overlap
9:00 AM4:00 PMBest overlap
10:00 AM5:00 PMBest overlap
11:00 AM6:00 PMGood — late afternoon

🏙️ Cities Covered by Each Time Zone

AEST Cities
Sydney, Melbourne, Brisbane, Canberra, Adelaide (ACST), Hobart, Gold Coast
MST Cities
Denver, Phoenix, Salt Lake City, Albuquerque, Tucson, El Paso, Calgary

Note: AEST observes Daylight Saving Time and MST observes Daylight Saving Time, so the offset may change seasonally. The live clocks and converter on this page adjust automatically.

📋 Full 24-Hour Conversion Table — AEST to MST

AEST (12h)AEST (24h)MST (12h)MST (24h)DayType
12:00 AM00:007:00 AM07:00-2 DayNight
1:00 AM01:008:00 AM08:00-2 DayNight
2:00 AM02:009:00 AM09:00-2 DayNight
3:00 AM03:0010:00 AM10:00-2 DayNight
4:00 AM04:0011:00 AM11:00-2 DayNight
5:00 AM05:0012:00 PM12:00-2 DayNight
6:00 AM06:001:00 PM13:00-2 Day
7:00 AM07:002:00 PM14:00-2 Day
8:00 AM08:003:00 PM15:00-2 Day
9:00 AM09:004:00 PM16:00-2 DayBusiness
10:00 AM10:005:00 PM17:00-2 DayBusiness
11:00 AM11:006:00 PM18:00-2 DayBusiness
12:00 PM12:007:00 PM19:00-2 DayBusiness
1:00 PM13:008:00 PM20:00-2 DayBusiness
2:00 PM14:009:00 PM21:00-2 DayBusiness
3:00 PM15:0010:00 PM22:00-2 DayBusiness
4:00 PM16:0011:00 PM23:00-2 DayBusiness
5:00 PM17:0012:00 AM00:00—Business
6:00 PM18:001:00 AM01:00—
7:00 PM19:002:00 AM02:00—
8:00 PM20:003:00 AM03:00—
9:00 PM21:004:00 AM04:00—
10:00 PM22:005:00 AM05:00—Night
11:00 PM23:006:00 AM06:00—Night

Note: this table uses a fixed offset. During Daylight Saving Time the difference may change — use the live converter above which adjusts automatically.

🔗 Related Converters

💡 How to Convert AEST to MST

1
Find the offset — Australian Eastern Standard Time is UTC+10 / UTC+11 (AEDT) and Mountain Standard Time is UTC-7 / UTC-6 (MDT). The difference between them is 17h behind.
2
Use either input field — Type a time in the AEST field to get the MST equivalent, or type in the MST field to get the AEST time. Both fields are editable.
3
Swap directions — Click ⇄ to instantly swap the conversion direction, or visit the MST to AEST page.
4
Check the table — The 24-hour reference table shows every hour converted, with working hours marked green and late night/early morning marked orange.
5
Watch for day changes — Some times cross midnight, so a "+1 Day" or "-1 Day" note appears to show the date is different in the converted timezone.

❓ FAQ — AEST to MST

What is the time difference between AEST and MST?

Mountain Standard Time (MST) is 17h behind of Australian Eastern Standard Time (AEST).

How do I convert AEST to MST?

Use the converter above — type any time in the AEST field and the MST result appears instantly. You can also refer to the 24-hour table on this page.

Is MST ahead or behind AEST?

Mountain Standard Time (MST) is 17h behind of Australian Eastern Standard Time (AEST).

How do I convert MST back to AEST?

Simply type in the MST field in the bidirectional converter above — it works in both directions. Or visit the dedicated MST to AEST converter page.

What is the best overlap time for meetings between AEST and MST?

Use the meeting hours table above to find windows where both timezones fall within reasonable working hours.