HKT to MDT
-14hHKT
HKTSOURCEMDT
MDTGreen rows indicate typical business hours (9 AM - 5 PM)
HKT and MDT on the World Map
The map below highlights the HKT (Hong Kong Time) and MDT (Mountain Daylight Time) timezone regions across the globe.
HKT – Hong Kong Time
UTC+08:00Hong Kong Time (HKT, UTC+08:00) is the time zone for Hong Kong, 8 hours ahead of UTC.
- •Hong Kong does not observe daylight saving time and has kept UTC+08:00 since 1979.
- •HKT shares its offset with China Standard Time, Singapore Time and Philippine Time.
- •The Hong Kong Stock Exchange opens at 09:30 HKT.
- •Hong Kong Time does not change with the seasons, so its gap to other zones is fixed.
MDT – Mountain Daylight Time
UTC-06:00Mountain Daylight Time (MDT) is the daylight saving offset in the Mountain Time Zone, 6 hours behind UTC.
- •MDT shares the same offset as CST (UTC-06:00).
- •Arizona does not switch to MDT, remaining on MST.
Understanding the -14h Gap: HKT vs MDT
HKT runs on Hong Kong Time (HKT) at UTC+08:00. MDT runs on Mountain Daylight Time (MDT) at UTC-06:00. That puts HKT 14 hours behind MDT — a difference of -14h at the current offsets.
In practice, when it is 9:00 AM in HKT it is 7:00 PM in MDT on the previous day. Midnight in HKT is 10:00 AM in MDT. Neither zone observes daylight saving time, so the offset between them stays constant all year.
HKT to MDT time conversion table
| HKT (HKT) | MDT (MDT) | Day |
|---|---|---|
| 12:00 AM | 10:00 AM | previous day |
| 6:00 AM | 4:00 PM | previous day |
| 7:00 AM | 5:00 PM | previous day |
| 8:00 AM | 6:00 PM | previous day |
| 9:00 AM | 7:00 PM | previous day |
| 12:00 PM | 10:00 PM | previous day |
| 3:00 PM | 1:00 AM | same day |
| 5:00 PM | 3:00 AM | same day |
| 6:00 PM | 4:00 AM | same day |
| 9:00 PM | 7:00 AM | same day |
Why people convert HKT to MDT time
- Scheduling a call from HKT to MDT: a 10:00 AM start in HKT lands at 8:00 PM in MDT the previous day, so you can confirm the slot without doing the arithmetic yourself.
- Handling a -14h gap: HKT and MDT 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 MDT is 7:00 PM in HKT.
- Watching a live event or market open: HKT viewers need 7:00 PM in MDT to catch a 9:00 AM start there, and 2:00 PM if the event is anchored to HKT.
- Always state the zone abbreviation, not just the hour. "3:00 PM HKT" is unambiguous; "3 PM" across a -14h gap is not.
- With a -14h gap there is no shared 9-to-5 window, so alternate the early start: one week HKT takes the early slot, the next week MDT does.
About HKT (Hong Kong Time)
Hong Kong Time (HKT) is fixed at UTC+08:00 all year and does not observe daylight saving time. Hong Kong last used summer time in 1979 and has kept a single offset since. HKT shares the UTC+08:00 offset with China Standard Time, Singapore Time, Malaysian Time, Philippine Time and Australian Western Standard Time, but is listed separately because Hong Kong maintains its own timekeeping authority. As a major financial centre, Hong Kong's trading hours set the rhythm for markets across Asia, opening at 09:30 HKT which is 01:30 in London and 20:30 the previous evening in New York.
About MDT (Mountain Daylight Time)
Mountain Daylight Time (MDT) is observed during summer months in the Mountain Time Zone, except in Arizona which stays on MST year-round. MDT aligns with Central Standard Time (CST) at UTC-06:00.
Best time to call between HKT and MDT
With a -14h offset there is no overlap inside a normal 9 AM – 5 PM day. MDT opens at 9:00 AM MDT, which is 7:00 PM in HKT, so real-time calls need an early-morning or late-evening slot on one side.
Business hours overlap
HKT and MDT have no shared working hours because of the -14h gap. Teams need to alternate early starts or rely on asynchronous handovers.
HKT is 14 hours behind MDT (HKT UTC+08:00 → MDT UTC-06:00). 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
HKT
Does not observe DST
MDT
☀ 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 HKT and MDT?
HKT (HKT, UTC+08:00) is 14 hours behind MDT (MDT, UTC-06:00). The gap is currently -14h.
How do I convert HKT time to MDT time?
Add -14h to HKT local time. For example, 9:00 AM in HKT is 7:00 PM in MDT (previous day).
What time is it in MDT right now?
MDT uses MDT at UTC-06:00. Use the live converter at the top of this page — it updates in real time and already accounts for the -14h offset from HKT.
What is the best time to call MDT from HKT?
There is no shared working-hours window because of the -14h gap. The closest option is 1:00 PM in HKT, which is 11:00 PM in MDT.
Which is behind, HKT or MDT?
HKT is 14 hours behind MDT. When it is 12:00 PM in HKT it is 10:00 PM in MDT.
Does daylight saving time affect the HKT–MDT difference?
Neither zone observes daylight saving time, so the -14h offset between HKT and MDT is fixed all year.
Which other cities share HKT's time zone?
HKT also covers Hong Kong, Kowloon, Tsuen Wan, Sha Tin.
Which countries use HKT, HKT's zone?
HKT is used in Hong Kong SAR.
Is there a day difference between HKT and MDT?
Sometimes. The -14h gap is large enough that 8:00 PM or later in HKT already falls on the in MDT.
What is the time difference between HKT and MDT?
MDT is -14h from HKT.
What timezone is HKT in?
HKT operates on its local timezone.
What timezone is MDT in?
MDT operates on its local timezone.
Which countries use HKT (Hong Kong Time)?
HKT is used in Hong Kong SAR.
Does HKT observe daylight saving time?
No, HKT does not observe daylight saving time and remains at UTC+08:00 year-round.
What are some interesting facts about HKT?
Hong Kong does not observe daylight saving time and has kept UTC+08:00 since 1979. HKT shares its offset with China Standard Time, Singapore Time and Philippine Time.
Which cities are in the MDT timezone?
Major cities in the MDT timezone include Denver, Calgary, Edmonton, Salt Lake City, Boise.
What is the UTC offset for MDT?
Mountain Daylight Time (MDT) is at UTC-06:00. During daylight saving time, it shifts to MST.
What should I know about the MDT timezone?
MDT shares the same offset as CST (UTC-06:00). Arizona does not switch to MDT, remaining on MST.
When is it midnight in HKT, what time is it in MDT?
When it is 12:00 AM (midnight) in HKT (HKT), it is -14h later in MDT (MDT).
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See every conversion from HKT →·See every conversion from MDT →