Updating current time…
MDT
12am
3am
6am
9am
12pm
3pm
6pm
9pm
NZDT/NZST
UTC+13
tomorrow (next day)
19h ahead
12am
3am
6am
9am
12pm
3pm
6pm
9pm
New Zealand is on daylight saving time: NZDT (UTC+13) until Sun, Apr 4, 2027.

Quick answers

Selected conversion

6:00 am06:00 MDT (UTC-6), Oct 18, 2026 = 1:00 am01:00 NZDT (UTC+13), Oct 19, 2026

MDT is 19 hours behind NZDT.

MDT and NZST examples

These examples always use MDT (UTC-6) and NZST (UTC+12). They stay the same when you change the date or time above. The selected conversion may differ when daylight saving time applies.

MDT is 18 hours behind NZST.

How the time difference changes

Depending on seasonal clock changes, MDT is 18 hours behind NZST, MDT is 19 hours behind NZDT, or MST is 20 hours behind NZDT.

Depending on seasonal clock changes, working hours of 9:00 am to 6:00 pm in MDT correspond to 3:00 am (next day) to 12:00 pm (next day) in NZST, working hours of 9:00 am to 6:00 pm in MDT correspond to 4:00 am (next day) to 1:00 pm (next day) in NZDT, or working hours of 9:00 am to 6:00 pm in MST correspond to 5:00 am (next day) to 2:00 pm (next day) in NZDT.Depending on seasonal clock changes, working hours of 09:00 to 18:00 in MDT correspond to 03:00 (next day) to 12:00 (next day) in NZST, working hours of 09:00 to 18:00 in MDT correspond to 04:00 (next day) to 13:00 (next day) in NZDT, or working hours of 09:00 to 18:00 in MST correspond to 05:00 (next day) to 14:00 (next day) in NZDT.

Compare MDT time with NZST time, including current local time, UTC offsets, time difference, daylight saving changes, working hours, and shareable meeting times.

Time Difference

Mountain Daylight Time is 19 hours behind New Zealand Daylight Time.
6:00 am06:00 in MDT is 1:00 am01:00 in NZDT

MDT to NZDT call time
Best time for a conference call or a meeting is between 2pm-6pm14:00-18:00 in MDT which corresponds to 9am-1pm09:00-13:00 in NZDT (next day)

6:00 am06:00 Mountain Daylight Time (MDT). Offset UTC -6:00 hours
1:00 am01:00 New Zealand Daylight Time (NZDT). Offset UTC +13:00 hours

6:00 am06:00 MDT / 1:00 am01:00 NZDT

Choose an hour to update the converter. Day labels such as “next day” or “+1” are relative to the selected date in the first column. Use Up and Down arrow keys, Home or End to move between hours, then Enter or Space to select.

Hourly time comparison
MDTNZDT
7:00pm
8:00pm
9:00pm
10:00pm
11:00pm
12:00am next day
1:00am next day
2:00am next day
3:00am next day
4:00am next day
5:00am next day
6:00am next day
7:00am next day
8:00am next day
9:00am next day
10:00am next day
11:00am next day
12:00pm next day
1:00pm next day
2:00pm next day
3:00pm next day
4:00pm next day
5:00pm next day
6:00pm next day
19:00
20:00
21:00
22:00
23:00
00:00 next day
01:00 next day
02:00 next day
03:00 next day
04:00 next day
05:00 next day
06:00 next day
07:00 next day
08:00 next day
09:00 next day
10:00 next day
11:00 next day
12:00 next day
13:00 next day
14:00 next day
15:00 next day
16:00 next day
17:00 next day
18:00 next day

Mountain Daylight Time

Offset: MDT is 6 hours behind Greenwich Mean Time (GMT).

Countries using this time zone: Canada, Mexico, United States

Principal Cities: The largest city in the MDT time zone is Ciudad Juárez in Mexico, with about 1.512 million people. Other major cities in this time zone include Denver, El Paso, Albuquerque, Colorado Springs.

French: HAR - Heure Avancée des Rocheuses

Spanish: MT - Zona Pacífico

Map of the areas on Mountain Daylight Time (MDT)
MDT part of the year

Today all shaded areas are on MDT.

Daylight Saving: Mountain Daylight Time (MDT) is a daylight saving/summer time zone. During winter, some places set clocks back one hour and observe Mountain Standard Time (MST).

123456789101112Start: Mountain Daylight Time (MDT) started on Sunday, March 8, 2026 at 2:00 am02:00 local time and clocks were set one hour forward to Sunday, March 8, 2026, 3:00 am03:00. Daylight saving starts annually on the second Sunday of March.

123456789101112End: Mountain Daylight Time (MDT) ends on Sunday, November 1, 2026 at 2:00 am02:00 local time and clocks are set one hour back to Sunday, November 1, 2026, 1:00 am01:00 local standard time instead. Daylight saving ends annually on the first Sunday of November.

See USA daylight saving time and upcoming clock changes worldwide.

MDT representations, usage and related time zones

W3C/ISO-8601: International standard covering representation and exchange of dates and time-related data
  • -06 - basic short
  • -0600 - basic
  • -06:00 - extended
Email/RFC-2822: Internet Message Format Date Standard, typically used for timestamps in email headers
  • -0600 - sign character (-) followed by a four digit time providing hours (06) and minutes (00) of the offset. Indicates an offset of six hours to the west of the zero meridian.
Military/NATO: Used by the U.S. military, Chinese military and others
  • Sierra - Military abbreviation for MDT
  • S - short form of 'Sierra'
IANA/Olson: Reflects MDT time zone boundaries defined by political bodies, primarily intended for use with computer programs and operating systems
  • America/Boise
  • America/Cambridge_Bay
  • America/Ciudad_Juarez
  • America/Denver
  • America/Edmonton
  • America/Inuvik
  • America/Shiprock
  • America/Yellowknife
  • Canada/Mountain
  • MST7MDT
  • Navajo
  • US/Mountain
Time zones with the GMT -6 offset:
  • CST - Central Standard Time
  • CT - Central Time
  • MDT - Mountain Daylight Time
  • EAST - Easter Island Standard Time
  • GALT - Galapagos Time
  • S - Sierra Time Zone

New Zealand Standard Time

Offset: NZST is 12 hours ahead of Greenwich Mean Time (GMT).

Countries using this time zone: Antarctica, New Zealand

Principal Cities: The largest city in the NZST time zone is Auckland in New Zealand, with about 1.547 million people. Other major cities in this time zone include Christchurch, Wellington, Hamilton, Tauranga.

Map of the areas on New Zealand Standard Time (NZST)
NZST part of the year

Today the shaded areas are on UTC+13 (NZDT).

Daylight Saving: This is a standard time zone. During summer, some places set clocks forward one hour for daylight saving time and observe New Zealand Daylight Time (NZDT).

123456789101112End: New Zealand Standard Time (NZST) ended on Sunday, September 27, 2026 at 2:00 am02:00 local time and clocks were set one hour forward to Sunday, September 27, 2026, 3:00 am03:00 local daylight time instead. Standard time ends annually on the last Sunday of September.

123456789101112Start: New Zealand Standard Time (NZST) starts on Sunday, April 4, 2027 at 3:00 am03:00 local time and clocks are set one hour back to Sunday, April 4, 2027, 2:00 am02:00. Standard time starts annually on the first Sunday of April.

See New Zealand daylight saving time and upcoming clock changes worldwide.

NZST representations, usage and related time zones

W3C/ISO-8601: International standard covering representation and exchange of dates and time-related data
  • +12 - basic short
  • +1200 - basic
  • +12:00 - extended
Email/RFC-2822: Internet Message Format Date Standard, typically used for timestamps in email headers
  • +1200 - sign character (+) followed by a four digit time providing hours (12) and minutes (00) of the offset. Indicates an offset of twelve hours to the east of the zero meridian.
Military/NATO: Used by the U.S. military, Chinese military and others
  • Mike - Military abbreviation for NZST
  • M - short form of 'Mike'
IANA/Olson: Reflects NZST time zone boundaries defined by political bodies, primarily intended for use with computer programs and operating systems
  • Antarctica/McMurdo
  • Antarctica/South_Pole
  • NZ
  • Pacific/Auckland
Time zones with the GMT +12 offset:
  • ANAST - Anadyr Summer Time
  • ANAT - Anadyr Time
  • FJT - Fiji Time
  • GILT - Gilbert Island Time
  • M - Mike Time Zone
  • MAGST - Magadan Summer Time
  • MHT - Marshall Islands Time
  • NRT - Nauru Time
  • NZST - New Zealand Standard Time
  • PETT - Kamchatka Time
  • PETST - Kamchatka Summer Time
  • TVT - Tuvalu Time
  • WFT - Wallis and Futuna Time