Offset
The time difference between Hong Kong Time and Mountain Time is 14 hours.
Hong Kong Time (HKT) is ahead of Mountain Time (MDT).
HKT: UTC+8
MDT: UTC-6
Mountain Time is currently observing daylight saving time; Hong Kong Time is not.
When to schedule
Standard business hours (9 AM–5 PM, Mon–Fri) in Hong Kong Time and Mountain Time don't overlap on the same weekday. Mountain Time is 14 hours behind Hong Kong Time.
Realistic options: hand off asynchronously, or stretch one side by an hour to catch the other team at the start or end of their day.
This window may shift by an hour during daylight saving time.
Public holidays in 2026
National public holidays can affect availability — a counterpart is likely off work on their own holidays, so it's worth planning meetings and deadlines around them.
Hong Kong
- New Year's DayThu, Jan 1
- Lunar New YearTue, Feb 17
- Second day of Lunar New YearWed, Feb 18
- Third day of Lunar New YearThu, Feb 19
- Good FridayFri, Apr 3
- Holy SaturdaySat, Apr 4
- Ching Ming FestivalSat, Apr 4
- Easter MondayMon, Apr 6
- Labour DayFri, May 1
- Buddha's BirthdayMon, May 25
- Dragon Boat FestivalFri, Jun 19
- Hong Kong Special Administrative Region Establishment DayWed, Jul 1
- Day following the Mid-Autumn FestivalSat, Sep 26
- National DayThu, Oct 1
- Chung Yeung FestivalMon, Oct 19
- Christmas DayFri, Dec 25
- Boxing DaySat, Dec 26
United States
- New Year's DayThu, Jan 1
- Martin Luther King, Jr. DayMon, Jan 19
- Presidents DayMon, Feb 16
- Memorial DayMon, May 25
- Juneteenth National Independence DayFri, Jun 19
- Independence DayFri, Jul 3
- Labour DayMon, Sep 7
- Columbus DayMon, Oct 12
- Veterans DayWed, Nov 11
- Thanksgiving DayThu, Nov 26
- Christmas DayFri, Dec 25
About these zones
Hong Kong Time is also known as HKT. To call Hong Kong, dial +852.
Mountain Time is also known as MST, or MDT. To call United States, dial +1.
Mountain Time is approximately 7,450 miles northeast of Hong Kong Time.
Quick reference
Full 24-hour conversion table — tap any time to open it in the converter.
| HKT | MST | Day |
|---|---|---|
| 12:00 am | 10:00 am | -1 day |
| 1:00 am | 11:00 am | -1 day |
| 2:00 am | 12:00 pm | -1 day |
| 3:00 am | 1:00 pm | -1 day |
| 4:00 am | 2:00 pm | -1 day |
| 5:00 am | 3:00 pm | -1 day |
| 6:00 am | 4:00 pm | -1 day |
| 7:00 am | 5:00 pm | -1 day |
| 8:00 am | 6:00 pm | -1 day |
| 9:00 am | 7:00 pm | -1 day |
| 10:00 am | 8:00 pm | -1 day |
| 11:00 am | 9:00 pm | -1 day |
| 12:00 pm | 10:00 pm | -1 day |
| 1:00 pm | 11:00 pm | -1 day |
| 2:00 pm | 12:00 am | Same day |
| 3:00 pm | 1:00 am | Same day |
| 4:00 pm | 2:00 am | Same day |
| 5:00 pm | 3:00 am | Same day |
| 6:00 pm | 4:00 am | Same day |
| 7:00 pm | 5:00 am | Same day |
| 8:00 pm | 6:00 am | Same day |
| 9:00 pm | 7:00 am | Same day |
| 10:00 pm | 8:00 am | Same day |
| 11:00 pm | 9:00 am | Same day |
Daylight saving time
Mountain Time observes daylight saving time; Hong Kong Time does not. The offset between the two zones changes when Mountain Time transitions: on Sunday, November 1, 2026, clocks fall back from MDT to MST.
See the daylight saving time page for transition dates across every time zone.
Daylight today
- Sunrise
- 5:40 AM
- Sunset
- 7:06 PM
- Day length
- 13h 26m
- Sunrise
- 5:34 AM
- Sunset
- 8:25 PM
- Day length
- 14h 51m
Daylight overlap: 4h 45m — 5:40 AM–10:25 AM in Hong Kong Time (3:40 PM–8:25 PM in Mountain Time). Both locations are in daylight during this window.
Cities in these zones
Cities in Hong Kong Time
Cities in Mountain Time
Browse all cities to see the current local time anywhere.
Airports in these zones
Airports in Hong Kong Time
- HKG
Airports in Mountain Time
- BJC
- DEN
- OGD
- SLC
Related conversions
Common conversions
- What is 9:00 am HKT in MST?
- 9:00 am HKT is 7:00 pm MST, the previous day.
- What is 12:00 pm HKT in MST?
- 12:00 pm HKT is 10:00 pm MST, the previous day.
- What is 12:30 pm HKT in MST?
- 12:30 pm HKT is 10:30 pm MST, the previous day.
- What is 2:00 pm HKT in MST?
- 2:00 pm HKT is 12:00 am MST.
- What is 5:00 pm HKT in MST?
- 5:00 pm HKT is 3:00 am MST.
- What is 11:30 pm HKT in MST?
- 11:30 pm HKT is 9:30 am MST.