PHT to MST Converter & Meeting Planner
Quick answer: 9:00 AM PHT = 6:00 PM MST (fixed +08:00 standard offset — not DST-adjusted). Use the interactive converter below for DST-aware local-time scheduling.
Planning a call or meeting between Philippine Time (PHT) and Mountain Standard Time (MST)? You need to account for the standard time difference. Mountain Standard Time is normally 15 hours behind Philippine Time. Whether you are coordinating between teams in Manila and Quezon City and Denver and Phoenix, our live tool has you covered. Use our interactive overlap studio below to find the perfect waking hours for both regions, taking into account any seasonal Daylight Saving Time (DST) changes.
24-Hour Conversion Table
Quick reference: 12:00 AM PHT = 9:00 AM MST. The full 24-hour PHT to MST table below uses fixed standard offsets for exact abbreviation searches.
Example: 3:00 PM PHT = 12:00 AM MST.
| PHT Time | MST Time |
|---|---|
| 12:00 AM (00:00) | 9:00 AM (09:00)-1 day |
| 1:00 AM (01:00) | 10:00 AM (10:00)-1 day |
| 2:00 AM (02:00) | 11:00 AM (11:00)-1 day |
| 3:00 AM (03:00) | 12:00 PM (12:00)-1 day |
| 4:00 AM (04:00) | 1:00 PM (13:00)-1 day |
| 5:00 AM (05:00) | 2:00 PM (14:00)-1 day |
| 6:00 AM (06:00) | 3:00 PM (15:00)-1 day |
| 7:00 AM (07:00) | 4:00 PM (16:00)-1 day |
| 8:00 AM (08:00) | 5:00 PM (17:00)-1 day |
| 9:00 AM (09:00) | 6:00 PM (18:00)-1 day |
| 10:00 AM (10:00) | 7:00 PM (19:00)-1 day |
| 11:00 AM (11:00) | 8:00 PM (20:00)-1 day |
| 12:00 PM (12:00) | 9:00 PM (21:00)-1 day |
| 1:00 PM (13:00) | 10:00 PM (22:00)-1 day |
| 2:00 PM (14:00) | 11:00 PM (23:00)-1 day |
| 3:00 PM (15:00) | 12:00 AM (00:00) |
| 4:00 PM (16:00) | 1:00 AM (01:00) |
| 5:00 PM (17:00) | 2:00 AM (02:00) |
| 6:00 PM (18:00) | 3:00 AM (03:00) |
| 7:00 PM (19:00) | 4:00 AM (04:00) |
| 8:00 PM (20:00) | 5:00 AM (05:00) |
| 9:00 PM (21:00) | 6:00 AM (06:00) |
| 10:00 PM (22:00) | 7:00 AM (07:00) |
| 11:00 PM (23:00) | 8:00 AM (08:00) |
Best time to call Denver from Manila
For most work calls, compare the normal business day in Manila (PHT) with the business day in Denver (MST). PHT commonly covers Southeast Asia, while MST is mainly associated with North America.
⚠️ Note: 2026-07-05 is not a normal workday in one or both regions based on their configured calendar. The overlap below should be treated as a reference, not a guaranteed office-hours window.
⚠️ There is no clean same-day business-hours overlap on 2026-07-05. A practical compromise is around 11:00 PM PHT, which reaches 9:00 AM MST near the start of their workday.
- DST Safety: PHT or MST may shift during Daylight Saving Time. Always confirm the converted time for your specific date.
- Philippine Stock Exchange (PSE): 09:30-15:00 local time in Makati.
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Frequently Asked Questions
What is the time difference between PHT and MST?
During standard time, Mountain Standard Time is 15 hours behind Philippine Time.
Does the Philippines observe Daylight Saving Time?
The Philippines does not observe Daylight Saving Time and has not done so since 1990, when the practice was last used as an energy conservation measure. PHT remains permanently fixed at UTC+8:00 every day of the year, meaning the offset between Manila and any DST-observing partner country shifts by one hour twice annually when those countries change their clocks — but PHT itself never moves.
Are PHT and SGT the same time?
Yes, Philippine Time (PHT) and Singapore Time (SGT) share the identical UTC+8:00 offset, and neither country observes Daylight Saving Time, making Manila and Singapore permanently synchronized on the same clock year-round. The same alignment holds with Malaysia (MYT), Greater China (CST), Hong Kong (HKT), and Western Australia (AWST) — all permanent UTC+8 zones.
Does Arizona observe Daylight Saving Time?
Most of Arizona — including Phoenix, Tucson, and the state government — does not observe Daylight Saving Time, remaining on MST (UTC-7) year-round under a state law in effect since 1968. The significant exception is the Navajo Nation, which spans parts of northeastern Arizona, Utah, and New Mexico and does observe DST, creating one of the most complex intrastate time zone situations in the United States.
What is the difference between MST and MDT?
MST (Mountain Standard Time) is the winter offset at UTC-7:00, observed from the first Sunday in November through the second Sunday in March. MDT (Mountain Daylight Time) is the summer offset at UTC-6:00, applied when most Mountain Time regions advance their clocks by one hour during Daylight Saving Time.