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HKT to MT time converter
US Mountain is 14 hours behind Hong Kong for 238 days of 2026, and 15 hours behind for the other 127 days, because daylight saving changes the gap.
HKT to MT conversion table
Local time in Hong Kong and the matching time in US Mountain on two reference dates, one in winter and one in summer for the northern hemisphere.
| Hong Kong (HKT) | US Mountain on 15 January | US Mountain on 15 July |
|---|---|---|
| 08:00 | 17:00 (-1 day) | 18:00 (-1 day) |
| 09:00 | 18:00 (-1 day) | 19:00 (-1 day) |
| 10:00 | 19:00 (-1 day) | 20:00 (-1 day) |
| 12:00 | 21:00 (-1 day) | 22:00 (-1 day) |
| 15:00 | 00:00 | 01:00 |
| 17:00 | 02:00 | 03:00 |
| 18:00 | 03:00 | 04:00 |
| 21:00 | 06:00 | 07:00 |
Best meeting times between Hong Kong and US Mountain
- January: No overlap inside both working days. The closest flexible hours (07:00-21:00): 07:00-12:00 HKT = 16:00-21:00 MT (-1 day).
- July: No overlap inside both working days. The closest flexible hours (07:00-21:00): 07:00-11:00 HKT = 17:00-21:00 MT (-1 day).
Want to add more people? The meeting planner starts with these two zones and lets you add up to four more.
Daylight saving between HKT and MT
- Hong Kong does not change its clocks in 2026.
- US Mountain moves its clocks forward on 8 March and back on 1 November in 2026.
- The gap is 14 hours for 238 days and 15 hours for 127 days of 2026.
About the two zones
Hong Kong. Hong Kong Time is UTC+8 all year. It stopped using daylight saving in 1979.
US Mountain. US Mountain Time is UTC-7 in winter (MST) and UTC-6 in summer (MDT). Arizona is the notable exception and stays on MST all year.
Frequently asked questions
What time is 9 AM HKT in MT?
On 15 January, 09:00 in Hong Kong is 18:00 (-1 day) in US Mountain. On 15 July it is 19:00 (-1 day).
What is the time difference between Hong Kong and US Mountain?
US Mountain is 14 hours behind Hong Kong for 238 days of 2026, and 15 hours behind for the other 127 days, because daylight saving changes the gap.
Does the time difference between HKT and MT change during the year?
Yes. US Mountain changes its clocks and Hong Kong does not, so the gap moves between 14 and 15 hours. Always convert with the actual date.
When is the best time for a meeting between Hong Kong and US Mountain?
No overlap inside both working days. The closest flexible hours (07:00-21:00): 07:00-12:00 HKT = 16:00-21:00 MT (-1 day). In July: No overlap inside both working days. The closest flexible hours (07:00-21:00): 07:00-11:00 HKT = 17:00-21:00 MT (-1 day).
More conversions
Need the time in a scheduler? Convert a local-time cron schedule to UTC, or see which jobs a clock change affects with the DST collision simulator.