Convert any time between HKT and MT, with a full 24-hour table and the hours when both sides are actually at work.

HKT to MT Time Converter

MT is 14 hours behind HKT. HKT is UTC+8:00, and The US Mountain states are currently on MDT (UTC-6:00).

Worth knowing right now. The US Mountain states are currently on MDT, not MT, because daylight saving is in effect. The 14 hours above is the gap between those two regions today, which is almost certainly what you want. Taken strictly as written, HKT to MT is 15 hours.
HKT
Hong Kong Time
12:26:35 AM
Monday, October 12, 2026
UTC+8:00
-14:00
hours difference
⇆ Reverse
MT
Mountain Time
10:26:35 AM
Sunday, October 11, 2026
UTC-6:00

Best Time to Call Between HKT and MT

Standard 9-to-5 hours in these two zones never overlap, so someone has to take the call outside their working day. The most workable window is 7:00 AM to 12:00 PM HKT, which is 5:00 PM to 10:00 PM MT.

both at work HKT only MT only neither  —  hours along the strip are HKT.

HKT to MT: Full 24-Hour Conversion Table

Shaded rows are working hours; the darker shade marks the hours when both zones are at work.

HKTMTWorking hours
12:00 AM 10:00 AM prev day MT only
1:00 AM 11:00 AM prev day MT only
2:00 AM 12:00 PM prev day MT only
3:00 AM 1:00 PM prev day MT only
4:00 AM 2:00 PM prev day MT only
5:00 AM 3:00 PM prev day MT only
6:00 AM 4:00 PM prev day MT only
7:00 AM 5:00 PM prev day —
8:00 AM 6:00 PM prev day —
9:00 AM 7:00 PM prev day HKT only
10:00 AM 8:00 PM prev day HKT only
11:00 AM 9:00 PM prev day HKT only
12:00 PM 10:00 PM prev day HKT only
1:00 PM 11:00 PM prev day HKT only
2:00 PM 12:00 AM HKT only
3:00 PM 1:00 AM HKT only
4:00 PM 2:00 AM HKT only
5:00 PM 3:00 AM —
6:00 PM 4:00 AM —
7:00 PM 5:00 AM —
8:00 PM 6:00 AM —
9:00 PM 7:00 AM —
10:00 PM 8:00 AM —
11:00 PM 9:00 AM MT only

What HKT and MT Actually Are

HKT — Hong Kong Time

Hong Kong and Macau. Standing at UTC+8:00 as written, and the region does not change its clocks, so that offset holds all year.

Hong Kong used summer time on and off until 1979, when it stopped for good. Proposals to bring it back have surfaced periodically and never carried.

MT — Mountain Time

Denver, Salt Lake City, Calgary, Edmonton — and Phoenix, which does not change its clocks. Standing at UTC-7:00 as written, and the region does change its clocks, so its live offset moves by an hour twice a year. The next change is on Sunday, November 1, 2026, to MST.

Mountain Time contains the most conspicuous daylight saving exception in North America: Arizona, which has opted out since 1968.

What This Means in Practice

The date changes mid-working-day

For 5 of the eight hours in a normal HKT working day, the equivalent MT time falls on a different calendar date. Anything scheduled in that stretch needs the date checked as well as the time, or a Tuesday call quietly becomes a Wednesday one at the other end.

This gap is not fixed

MT changes its clocks and HKT does not, so the difference between them moves by an hour twice a year. A recurring meeting set now will drift for one side from Sunday, November 1, 2026 unless someone resets it.

Nearly opposite sides of the clock

At 14 hours apart, one side's morning is the other side's night. Handing work over at the end of a shift usually beats trying to get both parties in the same call.

Frequently Asked Questions

What is the time difference between HKT and MT?

MT is 14 hours behind HKT. That is the live figure. Taken strictly as written, the gap between HKT and MT is 15 hours — the two differ because at least one of these regions is currently on daylight saving.

What is 9:00 AM HKT in MT?

9:00 AM HKT is 7:00 PM the previous day MT.

What are the best hours to schedule a call between HKT and MT?

Standard business hours in these two zones do not overlap at all, so one side has to work outside the 9-to-5. The most workable window is 7:00 AM to 12:00 PM HKT, which is 5:00 PM to 10:00 PM MT.

Does the difference between HKT and MT change during the year?

Yes. MT observes daylight saving and HKT does not, so the gap shifts by an hour at least twice a year. The next clock change is on Sunday, November 1, 2026.

Converting between two time zones regularly? Bookmark this page — the clocks update live and the table follows daylight saving automatically.