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NZT to MT time converter
US Mountain is 18 hours behind New Zealand for 175 days of 2026, and 20 hours behind for the other 127 days, because daylight saving changes the gap.
NZT to MT conversion table
Local time in New Zealand and the matching time in US Mountain on two reference dates, one in winter and one in summer for the northern hemisphere.
| New Zealand (NZT) | US Mountain on 15 January | US Mountain on 15 July |
|---|---|---|
| 08:00 | 12:00 (-1 day) | 14:00 (-1 day) |
| 09:00 | 13:00 (-1 day) | 15:00 (-1 day) |
| 10:00 | 14:00 (-1 day) | 16:00 (-1 day) |
| 12:00 | 16:00 (-1 day) | 18:00 (-1 day) |
| 15:00 | 19:00 (-1 day) | 21:00 (-1 day) |
| 17:00 | 21:00 (-1 day) | 23:00 (-1 day) |
| 18:00 | 22:00 (-1 day) | 00:00 |
| 21:00 | 01:00 | 03:00 |
Best meeting times between New Zealand and US Mountain
- January: Inside both working days (09:00-17:00): 09:00-13:00 NZT = 13:00-17:00 MT (-1 day).
- July: Inside both working days (09:00-17:00): 09:00-11:00 NZT = 15:00-17:00 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 NZT and MT
- New Zealand moves its clocks back on 5 April and forward on 27 September in 2026.
- US Mountain moves its clocks forward on 8 March and back on 1 November in 2026.
- The gap is 18 hours for 175 days and 20 hours for 127 days of 2026.
About the two zones
New Zealand. New Zealand is on NZST (UTC+12) in winter and NZDT (UTC+13) from late September to early April, among the first places to start each day.
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 NZT in MT?
On 15 January, 09:00 in New Zealand is 13:00 (-1 day) in US Mountain. On 15 July it is 15:00 (-1 day).
What is the time difference between New Zealand and US Mountain?
US Mountain is 18 hours behind New Zealand for 175 days of 2026, and 20 hours behind for the other 127 days, because daylight saving changes the gap.
Does the time difference between NZT and MT change during the year?
Yes. Both zones change their clocks, on different dates, so the gap moves between 18 and 20 hours. Always convert with the actual date.
When is the best time for a meeting between New Zealand and US Mountain?
Inside both working days (09:00-17:00): 09:00-13:00 NZT = 13:00-17:00 MT (-1 day). In July: Inside both working days (09:00-17:00): 09:00-11:00 NZT = 15:00-17:00 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.