HKT to MST Converter & Meeting Planner
Quick answer: 9:00 AM HKT = 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 Hong Kong Time (HKT) and Mountain Standard Time (MST)? You need to account for the standard time difference. Mountain Standard Time is normally 15 hours behind Hong Kong Time. Whether you are coordinating between teams in Hong Kong and Kowloon 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 HKT = 9:00 AM MST. The full 24-hour HKT to MST table below uses fixed standard offsets for exact abbreviation searches.
Example: 3:00 PM HKT = 12:00 AM MST.
| HKT 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 Hong Kong
For most work calls, compare the normal business day in Hong Kong (HKT) with the business day in Denver (MST). HKT commonly covers East 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 HKT, which reaches 9:00 AM MST near the start of their workday.
- DST Safety: HKT or MST may shift during Daylight Saving Time. Always confirm the converted time for your specific date.
- Hong Kong Stock Exchange (HKEX): 09:30-16:00 local time in Hong Kong.
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Frequently Asked Questions
What is the time difference between HKT and MST?
During standard time, Mountain Standard Time is 15 hours behind Hong Kong Time.
Does Hong Kong observe Daylight Saving Time?
Hong Kong does not observe Daylight Saving Time and has not done so since 1979, remaining permanently fixed at UTC+8:00 throughout the year. This means the offset between Hong Kong and any DST-observing country shifts by one hour twice annually when those countries change their clocks — but HKT itself never moves.
Are HKT and SGT the same time?
Yes, Hong Kong Time (HKT) and Singapore Time (SGT) share the identical UTC+8:00 offset, and neither territory observes Daylight Saving Time, making the two cities permanently synchronized on the same clock year-round. The same alignment holds with mainland China (CST), Taiwan, Malaysia (MYT), and Western Australia (AWST) — placing Hong Kong and Singapore at the heart of the world's largest permanent UTC+8 economic bloc.
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.