MST to Philippines
+15hMST
MSTSOURCEPhilippines
PHTGreen rows indicate typical business hours (9 AM - 5 PM)
MST and PHT on the World Map
The map below highlights the MST (Mountain Standard Time) and PHT (Philippine Time) timezone regions across the globe.
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.
PHT – Philippine Time
UTC+08:00Philippine Time (PHT, UTC+08:00) is the time zone for the Philippines, 8 hours ahead of UTC.
- •Philippine Time does not observe daylight saving, so UTC+08:00 is fixed all year.
- •PHT shares its offset with China, Hong Kong, Singapore and Malaysia.
- •Manila is one of the largest outsourcing hubs in the world.
- •The Philippines spans one time zone despite being an archipelago of over 7,600 islands.
MST to Philippines Time Difference – Complete Guide
MST runs on Mountain Standard Time (MST) at UTC-07:00. Philippines runs on Philippine Standard Time (PHT) at UTC+08:00. That puts MST 15 hours ahead of Philippines — a difference of +15h at the current offsets.
In practice, when it is 9:00 AM in MST it is 12:00 AM in Philippines on the next day. Midnight in MST is 3:00 PM in Philippines. Neither zone observes daylight saving time, so the offset between them stays constant all year.
MST to Philippines time conversion table
| MST (MST) | Philippines (PHT) | Day |
|---|---|---|
| 12:00 AM | 3:00 PM | same day |
| 6:00 AM | 9:00 PM | same day |
| 7:00 AM | 10:00 PM | same day |
| 8:00 AM | 11:00 PM | same day |
| 9:00 AM | 12:00 AM | next day |
| 12:00 PM | 3:00 AM | next day |
| 3:00 PM | 6:00 AM | next day |
| 5:00 PM | 8:00 AM | next day |
| 6:00 PM | 9:00 AM | next day |
| 9:00 PM | 12:00 PM | next day |
Why people convert MST to Philippines time
- Scheduling a call from MST to Philippines: a 10:00 AM start in MST lands at 1:00 AM in Philippines the next day, so you can confirm the slot without doing the arithmetic yourself.
- Handling a +15h gap: MST and Philippines 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 Philippines is 12:00 AM in MST.
- Booking travel or deliveries: tracking Philippines local time against MST keeps pickup windows and arrival estimates honest across the +15h offset.
- Always state the zone abbreviation, not just the hour. "3:00 PM MST" is unambiguous; "3 PM" across a +15h gap is not.
- With a +15h gap there is no shared 9-to-5 window, so alternate the early start: one week MST takes the early slot, the next week Philippines does.
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).
About PHT (Philippine Time)
Philippine Time (PHT) is fixed at UTC+08:00 all year. The Philippines has not observed daylight saving time since 1978, apart from a brief trial in 1990. PHT shares its offset with China Standard Time, Hong Kong Time, Singapore Time, Malaysian Time and Australian Western Standard Time, which makes Manila a convenient bridge for scheduling across East and Southeast Asia. As one of the world's largest centres for business process outsourcing, Manila keeps overlapping hours with both Australia and, on early shifts, the United States, and its contact-centre schedules are usually planned around Manila local time.
Best time to call between MST and Philippines
With a +15h offset there is no overlap inside a normal 9 AM – 5 PM day. Philippines opens at 9:00 AM PHT, which is 12:00 AM in MST, so real-time calls need an early-morning or late-evening slot on one side.
Business hours overlap
MST and Philippines have no shared working hours because of the +15h gap. Teams need to alternate early starts or rely on asynchronous handovers.
MST is 15 hours ahead of Philippines (MST UTC-07:00 → PHT UTC+08:00). 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
MST
☀ Currently in DST
Standard: UTC-07:00 · DST: UTC-06:00
Clocks fall back on Sun, Nov 1, 2026
Philippines
Does not observe DST
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 MST and Philippines?
MST (MST, UTC-07:00) is 15 hours ahead of Philippines (PHT, UTC+08:00). The gap is currently +15h.
How do I convert MST time to Philippines time?
Add +15h to MST local time. For example, 9:00 AM in MST is 12:00 AM in Philippines (next day).
What time is it in Philippines right now?
Philippines uses PHT at UTC+08:00. Use the live converter at the top of this page — it updates in real time and already accounts for the +15h offset from MST.
What is the best time to call Philippines from MST?
There is no shared working-hours window because of the +15h gap. The closest option is 1:00 PM in MST, which is 4:00 AM in Philippines.
Which is ahead, MST or Philippines?
MST is 15 hours ahead of Philippines. When it is 12:00 PM in MST it is 3:00 AM in Philippines.
Do MST and Philippines use different time zones?
MST uses MST at UTC-07:00, while Philippines (Philippines) uses PHT at UTC+08:00. The IANA identifiers are America/Denver and Asia/Manila.
Does daylight saving time affect the MST–Philippines difference?
Neither zone observes daylight saving time, so the +15h offset between MST and Philippines is fixed all year.
Which other cities share MST's time zone?
MST also covers Denver, Phoenix, Salt Lake City, Calgary, Edmonton, Albuquerque, El Paso, Tucson and 2 more.
Which countries use MST, MST's zone?
MST is used in United States (Mountain), Canada (Alberta), Mexico (Chihuahua, Sonora).
Is there a day difference between MST and Philippines?
Sometimes. The +15h gap is large enough that 8:00 PM or later in MST already falls on the next day in Philippines.
What is the time difference between MST and Philippines?
Philippines is +15h from MST.
What timezone is MST in?
MST operates on its local timezone.
What timezone is Philippines in?
Philippines operates on its local timezone.
Which countries use MST (Mountain Standard Time)?
MST is used in United States (Mountain), Canada (Alberta), Mexico (Chihuahua, Sonora).
Does MST observe daylight saving time?
Yes, MST switches to MDT during summer months.
What are some interesting facts about MST?
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.
Which cities are in the PHT timezone?
Major cities in the PHT timezone include Manila, Quezon City, Davao City, Cebu City, Zamboanga.
What is the UTC offset for PHT?
Philippine Time (PHT) is at UTC+08:00.
What should I know about the PHT timezone?
Philippine Time does not observe daylight saving, so UTC+08:00 is fixed all year. PHT shares its offset with China, Hong Kong, Singapore and Malaysia.
When is it midnight in MST, what time is it in Philippines?
When it is 12:00 AM (midnight) in MST (MST), it is +15h later in Philippines (PHT).
Related Developer Tools
Explore more tools that work great with timezone conversions for international teams:
Related Timezone Conversions
More MST time conversions
- mst to denver
- mst to mdt
- mst to new york
- mst to london
- mst to dubai
- mst to tokyo
- mst to singapore
- mst to sydney
- mst to los angeles
- mst to paris
- mst to delhi
- mst to mumbai
- mst to berlin
- mst to hong kong
- mst to toronto
- mst to kathmandu
- new york to mst
- london to mst
- dubai to mst
- tokyo to mst
- singapore to mst
- sydney to mst
- los angeles to mst
- paris to mst
- delhi to mst
- mumbai to mst
- berlin to mst
- hong kong to mst
- toronto to mst
- kathmandu to mst
See every conversion from MST →·See every conversion from Philippines →