The short answer
Hong Kong Time is 14 hours ahead of Mountain Daylight Time.
Hong Kong Time☀
9:09:22am
HKT · UTC+08:00 · Tue, Jul 21
Mountain Daylight Time☾
7:09:22pm
MDT · UTC-06:00 · Mon, Jul 20
Read across to convert
Hong Kong Time
HKT · UTC+08:00
Mountain Daylight Time
MDT · UTC-06:00
Click any row to pin that hour across both zones.
12amTue
10amMon ·−1d
WORK1am
11amMon ·−1d
WORK2am
12pmMon ·−1d
WORK3am
1pmMon ·−1d
WORK4am
2pmMon ·−1d
WORK5am
3pmMon ·−1d
WORK6am
4pmMon ·−1d
WORK7am
5pmMon ·−1d
8am
6pmMon ·−1d
NOW
9am
WORK7pmMon ·−1d
10am
WORK8pmMon ·−1d
11am
WORK9pmMon ·−1d
12pm
WORK10pmMon ·−1d
1pm
WORK11pmMon ·−1d
2pm
WORK12amTue
3pm
WORK1am
4pm
WORK2am
5pm
3am
6pm
4am
7pm
5am
8pm
6am
9pm
7am
10pm
8am
11pm
9am
WORKdaylightnightworking hoursoverlap
Best time to meet=
Closest workable window
Just outside the working window — early on one side, late on the other.
Hong Kong Time
7am–9am
Mountain Daylight Time
5pm–7pm
previous day
Popular conversions
Quick reference.
9amHong Kong Time=7pmMountain Daylight Time · prev day
12pmHong Kong Time=10pmMountain Daylight Time · prev day
3pmHong Kong Time=1amMountain Daylight Time
5pmHong Kong Time=3amMountain Daylight Time
9pmHong Kong Time=7amMountain Daylight Time
In context
What each side covers.
Hong Kong Time
9:09amHKT · UTC+08:00
Cities on this clock
Mountain Daylight Time
7:09pmMDT · UTC-06:00
Cities on this clock
Related converters
Other popular pairs.
Pacific Time
6:09pm
India Standard Time
6:39am
Pacific Time to India12 hours 30 minutes behind
Eastern Daylight Time
9:09pm
Central European Time
3:09am
Eastern Time to Central Europe6 hours behind
India Standard Time
6:39am
Eastern Daylight Time
9:09pm
India to Eastern Time9 hours 30 minutes ahead
British Summer Time
2:09am
India Standard Time
6:39am
London to India4 hours 30 minutes behind
Pacific Daylight Time
6:09pm
Eastern Daylight Time
9:09pm
Pacific to Eastern Time3 hours behind
Central European Time
3:09am
India Standard Time
6:39am
Central Europe to India3 hours 30 minutes behind
Frequently asked
Quick answers about converting between Hong Kong Time and Mountain Daylight Time. Can't find what you need? Email [email protected].
- What is the time difference between Hong Kong Time and Mountain Daylight Time?
- Hong Kong Time is 14 hours ahead of Mountain Daylight Time right now. We always show the live, daylight-saving-correct difference, so this figure already accounts for whichever side is observing summer time today.
- When it's 9am in Hong Kong Time, what time is it in Mountain Daylight Time?
- 9am in Hong Kong Time is 7pm in Mountain Daylight Time on the previous day. Use the hour-by-hour table above to read any other time across — find the row and read the matching cell in the other column.
- What's the best time for a call between Hong Kong Time and Mountain Daylight Time?
- There's no comfortable 9-to-5 overlap between Hong Kong Time and Mountain Daylight Time — they sit on opposite sides of the planet's working day. Plan for an early or late call on one side, or hand work off asynchronously.
- Does this account for daylight saving time?
- Yes. We track every clock change in both places, so the abbreviations you see — HKT and MDT — are the ones actually in effect right now, not a fixed all-year value. When either side changes its clocks, this page updates automatically.
- Why is the date sometimes different on each side?
- When two places are far enough apart, the same moment can fall on different calendar days. That is why some conversions are marked "previous day" or "next day" — it is the same instant in time, read off two clocks that crossed midnight at different points.