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MT to NZT time converter
New Zealand is 18 hours ahead of US Mountain for 175 days of 2026, and 20 hours ahead of for the other 127 days, because daylight saving changes the gap.
MT to NZT conversion table
Local time in US Mountain and the matching time in New Zealand on two reference dates, one in winter and one in summer for the northern hemisphere.
| US Mountain (MT) | New Zealand on 15 January | New Zealand on 15 July |
|---|---|---|
| 08:00 | 04:00 (+1 day) | 02:00 (+1 day) |
| 09:00 | 05:00 (+1 day) | 03:00 (+1 day) |
| 10:00 | 06:00 (+1 day) | 04:00 (+1 day) |
| 12:00 | 08:00 (+1 day) | 06:00 (+1 day) |
| 15:00 | 11:00 (+1 day) | 09:00 (+1 day) |
| 17:00 | 13:00 (+1 day) | 11:00 (+1 day) |
| 18:00 | 14:00 (+1 day) | 12:00 (+1 day) |
| 21:00 | 17:00 (+1 day) | 15:00 (+1 day) |
Best meeting times between US Mountain and New Zealand
- January: Inside both working days (09:00-17:00): 13:00-17:00 MT = 09:00-13:00 NZT (+1 day).
- July: Inside both working days (09:00-17:00): 15:00-17:00 MT = 09:00-11:00 NZT (+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 MT and NZT
- US Mountain moves its clocks forward on 8 March and back on 1 November in 2026.
- New Zealand moves its clocks back on 5 April and forward on 27 September in 2026.
- The gap is 18 hours for 175 days and 20 hours for 127 days of 2026.
About the two zones
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.
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.
Frequently asked questions
What time is 9 AM MT in NZT?
On 15 January, 09:00 in US Mountain is 05:00 (+1 day) in New Zealand. On 15 July it is 03:00 (+1 day).
What is the time difference between US Mountain and New Zealand?
New Zealand is 18 hours ahead of US Mountain for 175 days of 2026, and 20 hours ahead of for the other 127 days, because daylight saving changes the gap.
Does the time difference between MT and NZT 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 US Mountain and New Zealand?
Inside both working days (09:00-17:00): 13:00-17:00 MT = 09:00-13:00 NZT (+1 day). In July: Inside both working days (09:00-17:00): 15:00-17:00 MT = 09:00-11:00 NZT (+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.