MST to NZST Converter
NZDT is 20 hours ahead of MST. 9:00 AM MST = 5:00 AM NZDT (next day).
NZDT is 20 hours ahead of MST at the moment. To convert MST to NZST, add 20 hours to the MST time: 9:00 AM MST = 5:00 AM NZDT (next day).
MST (Mountain Time) is used in Denver, Salt Lake City, Albuquerque, Calgary, Edmonton; Phoenix (Arizona) all year. NZST (New Zealand Time) is used in New Zealand.
Most of Arizona uses MST all year and does not switch to MDT. NZST (New Zealand Standard Time) is not in force right now: New Zealand is currently on NZDT. This page uses whichever name applies on the date you pick, so the numbers below say NZDT.
MST to NZST time conversion table
MST to NZST on 6 Nov 2026. Today's date. Highlighted rows are 9 AM–5 PM in both places.
| MST | NZST | Day |
|---|---|---|
| 12:00 AM MST | 8:00 PM NZDT | — |
| 1:00 AM MST | 9:00 PM NZDT | — |
| 2:00 AM MST | 10:00 PM NZDT | night |
| 3:00 AM MST | 11:00 PM NZDT | night |
| 4:00 AM MST | 12:00 AM NZDT | next day |
| 5:00 AM MST | 1:00 AM NZDT | next day |
| 6:00 AM MST | 2:00 AM NZDT | next day |
| 7:00 AM MST | 3:00 AM NZDT | next day |
| 8:00 AM MST | 4:00 AM NZDT | next day |
| 9:00 AM MST | 5:00 AM NZDT | next day |
| 10:00 AM MST | 6:00 AM NZDT | next day |
| 11:00 AM MST | 7:00 AM NZDT | next day |
| 12:00 PM MST | 8:00 AM NZDT | next day |
| 1:00 PM MST | 9:00 AM NZDT | work hours |
| 2:00 PM MST | 10:00 AM NZDT | work hours |
| 3:00 PM MST | 11:00 AM NZDT | work hours |
| 4:00 PM MST | 12:00 PM NZDT | work hours |
| 5:00 PM MST | 1:00 PM NZDT | next day |
| 6:00 PM MST | 2:00 PM NZDT | next day |
| 7:00 PM MST | 3:00 PM NZDT | next day |
| 8:00 PM MST | 4:00 PM NZDT | next day |
| 9:00 PM MST | 5:00 PM NZDT | next day |
| 10:00 PM MST | 6:00 PM NZDT | next day |
| 11:00 PM MST | 7:00 PM NZDT | next day |
- Work rows — 9 AM–5 PM in both places
- Night in the destination (10 PM–6 AM)
How to convert MST to NZST
Add 20 hours to the MST time to get NZST.
Example: 9:00 AM MST = 5:00 AM NZDT (next day).
Across midnight: 10:00 PM MST = 6:00 PM NZDT (next day). The date changes, so always check the day as well as the hour.
Time difference between MST and NZST
The time difference between MST and NZST is not the same all year, because the two sides change for daylight saving time on different dates. In 2026 it works out like this:
- 31 Dec 2025 – 7 Mar 2026: NZST is 20 hours ahead of MST.
- 8 Mar 2026 – 3 Apr 2026: NZST is 19 hours ahead of MST.
- 4 Apr 2026 – 25 Sep 2026: NZST is 18 hours ahead of MST.
- 26 Sep 2026 – 31 Oct 2026: NZST is 19 hours ahead of MST.
- 1 Nov 2026 – 30 Dec 2026: NZST is 20 hours ahead of MST.
MST and NZST during daylight saving time
- MST next changes on 14 Mar 2027: clocks go forward one hour at 01:59 local time, from MST (UTC−7) to MDT (UTC−6).
- NZST next changes on 4 Apr 2027: clocks go back one hour at 02:59 local time, from NZDT (UTC+13) to NZST (UTC+12).
Best time for a meeting between MST and NZST
MST and NZST have no shared 9 AM–5 PM window. The earliest slot that is reasonable on both sides is 11:00 AM MST, which is 7:00 AM NZDT.
MST to NZST FAQ
What is the time difference between MST and NZST?
Right now NZDT is 20 hours ahead of MST. The gap changes 5 times in 2026 because the two sides switch to daylight saving time on different dates.
What is 9 AM MST in NZST?
9:00 AM MST is 5:00 AM NZDT (next day).
What is 12 PM (noon) MST in NZST?
12:00 PM MST is 8:00 AM NZDT (next day).
Is NZST ahead of or behind MST?
NZDT is 20 hours ahead of MST, so it is later in NZST than in MST.
Does MST change for daylight saving time?
Yes. MST next changes on 14 Mar 2027, when clocks go forward one hour from MST to MDT.
Does NZST change for daylight saving time?
Yes. NZST next changes on 4 Apr 2027, when clocks go back one hour from NZDT to NZST.
What is the best time for a meeting between MST and NZST?
MST and NZST have no shared 9 AM–5 PM window. The earliest slot that is reasonable on both sides is 11:00 AM MST, which is 7:00 AM NZDT.
Is MT the same as MST?
MST is the winter (standard) name of Mountain Time (MT). From March to November the same clocks are called MDT. This converter always uses the one in force on the date you choose.
Related conversions
Convert NZST to MST
Convert MST to other time zones
Convert other time zones to NZST
Learn more
Updated 6 November 2026. Time zone data: IANA tz database.