SAST to MST
-9hSAST
SASTSOURCEMST
MSTGreen rows indicate typical business hours (9 AM - 5 PM)
SAST and MST on the World Map
The map below highlights the SAST (South Africa Standard Time) and MST (Mountain Standard Time) timezone regions across the globe.
SAST – South Africa Standard Time
UTC+02:00South Africa Standard Time (SAST) is the time zone for South Africa and neighboring countries, 2 hours ahead of UTC.
- •South Africa does not observe daylight saving time.
- •SAST is the same offset as EET and Israel Standard Time.
- •The Johannesburg Stock Exchange (JSE) is Africa's largest.
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.
Everything You Need to Know About SAST and MST Time
SAST runs on South Africa Standard Time (SAST) at UTC+02:00. MST runs on Mountain Standard Time (MST) at UTC-07:00. That puts SAST 9 hours behind MST — a difference of -9h at the current offsets.
In practice, when it is 9:00 AM in SAST it is 12:00 AM in MST. Midnight in SAST is 3:00 PM in MST. Neither zone observes daylight saving time, so the offset between them stays constant all year.
SAST to MST time conversion table
| SAST (SAST) | MST (MST) | Day |
|---|---|---|
| 12:00 AM | 3:00 PM | previous day |
| 6:00 AM | 9:00 PM | previous day |
| 7:00 AM | 10:00 PM | previous day |
| 8:00 AM | 11:00 PM | previous day |
| 9:00 AM | 12:00 AM | same day |
| 12:00 PM | 3:00 AM | same day |
| 3:00 PM | 6:00 AM | same day |
| 5:00 PM | 8:00 AM | same day |
| 6:00 PM | 9:00 AM | same day |
| 9:00 PM | 12:00 PM | same day |
Why people convert SAST to MST time
- Scheduling a call from SAST to MST: a 10:00 AM start in SAST lands at 1:00 AM in MST, so you can confirm the slot without doing the arithmetic yourself.
- Handling a -9h gap: SAST and MST 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 MST is 12:00 AM in SAST.
- Coordinating a SAST-based team with MST contacts: quoting times in the other side's local clock — not your own — removes the single biggest source of missed meetings.
- Always state the zone abbreviation, not just the hour. "3:00 PM SAST" is unambiguous; "3 PM" across a -9h gap is not.
- With a -9h gap there is no shared 9-to-5 window, so alternate the early start: one week SAST takes the early slot, the next week MST does.
About SAST (South Africa Standard Time)
South Africa Standard Time (SAST) is used in South Africa, Lesotho, and Eswatini. SAST does not observe daylight saving time. Johannesburg and Cape Town are major economic hubs in Africa.
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 SAST and MST
With a -9h offset there is no overlap inside a normal 9 AM – 5 PM day. MST opens at 9:00 AM MST, which is 12:00 AM in SAST, so real-time calls need an early-morning or late-evening slot on one side.
Business hours overlap
SAST and MST have no shared working hours because of the -9h gap. Teams need to alternate early starts or rely on asynchronous handovers.
SAST is 9 hours behind MST (SAST UTC+02:00 → MST UTC-07:00). 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
SAST
Does not observe DST
MST
☀ 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 SAST and MST?
SAST (SAST, UTC+02:00) is 9 hours behind MST (MST, UTC-07:00). The gap is currently -9h.
How do I convert SAST time to MST time?
Add -9h to SAST local time. For example, 9:00 AM in SAST is 12:00 AM in MST.
What time is it in MST right now?
MST uses MST at UTC-07:00. Use the live converter at the top of this page — it updates in real time and already accounts for the -9h offset from SAST.
What is the best time to call MST from SAST?
There is no shared working-hours window because of the -9h gap. The closest option is 1:00 PM in SAST, which is 4:00 AM in MST.
Which is behind, SAST or MST?
SAST is 9 hours behind MST. When it is 12:00 PM in SAST it is 3:00 AM in MST.
Does daylight saving time affect the SAST–MST difference?
Neither zone observes daylight saving time, so the -9h offset between SAST and MST is fixed all year.
Which other cities share SAST's time zone?
SAST also covers Johannesburg, Cape Town, Durban, Pretoria, Port Elizabeth.
Which countries use SAST, SAST's zone?
SAST is used in South Africa, Lesotho, Eswatini.
Is there a day difference between SAST and MST?
Not normally. The -9h gap only pushes the date over the previous day.
What is the time difference between SAST and MST?
MST is -9h from SAST.
What timezone is SAST in?
SAST operates on its local timezone.
What timezone is MST in?
MST operates on its local timezone.
Which countries use SAST (South Africa Standard Time)?
SAST is used in South Africa, Lesotho, Eswatini.
Does SAST observe daylight saving time?
No, SAST does not observe daylight saving time and remains at UTC+02:00 year-round.
What are some interesting facts about SAST?
South Africa does not observe daylight saving time. SAST is the same offset as EET and Israel Standard Time.
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 SAST, what time is it in MST?
When it is 12:00 AM (midnight) in SAST (SAST), it is -9h later in MST (MST).
Related Developer Tools
Explore more tools that work great with timezone conversions for international teams:
Related Timezone Conversions
More SAST time conversions
- sast to johannesburg
- sast to south africa
- sast to new york
- sast to london
- sast to dubai
- sast to tokyo
- sast to singapore
- sast to sydney
- sast to los angeles
- sast to paris
- sast to delhi
- sast to mumbai
- sast to berlin
- sast to hong kong
- sast to toronto
- sast to kathmandu
- new york to sast
- london to sast
- dubai to sast
- tokyo to sast
- singapore to sast
- sydney to sast
- los angeles to sast
- paris to sast
- delhi to sast
- mumbai to sast
- berlin to sast
- hong kong to sast
- toronto to sast
- kathmandu to sast
See every conversion from SAST →·See every conversion from MST →