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NZDT/NZST

New Zealand Daylight Time

UTC+13

12am

3am

6am

9am

12pm

3pm

6pm

9pm

New Zealand is on daylight saving time: NZDT (UTC+13) until Sun, Apr 4, 2027.

Use NZST all year (UTC+12)

EST/EDT

Eastern Standard Time

UTC−5

yesterday

18h behind

12am

3am

6am

9am

12pm

3pm

6pm

9pm

Eastern Time is on standard time: EST (UTC−5) until Sun, Mar 14, 2027.

Keep EDT (UTC−4)

Quick answers

Selected conversion

4:00 am04:00 NZDT (UTC+13), Nov 2, 2026 = 10:00 am10:00 EST (UTC-5), Nov 1, 2026

NZDT is 18 hours ahead of EST.

NZST and EDT examples

These examples always use NZST (UTC+12) and EDT (UTC-4). They stay the same when you change the date or time above. The selected conversion may differ when daylight saving time applies.

NZST is 16 hours ahead of EDT.

How the time difference changes

Depending on seasonal clock changes, NZST is 16 hours ahead of EDT, NZDT is 17 hours ahead of EDT, or NZDT is 18 hours ahead of EST.

Depending on seasonal clock changes, working hours of 9:00 am to 6:00 pm in NZST correspond to 5:00 pm (previous day) to 2:00 am in EDT, working hours of 9:00 am to 6:00 pm in NZDT correspond to 4:00 pm (previous day) to 1:00 am in EDT, or working hours of 9:00 am to 6:00 pm in NZDT correspond to 3:00 pm (previous day) to 12:00 am in EST.Depending on seasonal clock changes, working hours of 09:00 to 18:00 in NZST correspond to 17:00 (previous day) to 02:00 in EDT, working hours of 09:00 to 18:00 in NZDT correspond to 16:00 (previous day) to 01:00 in EDT, or working hours of 09:00 to 18:00 in NZDT correspond to 15:00 (previous day) to 00:00 in EST.

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

Time Difference

New Zealand Daylight Time is 18 hours ahead of Eastern Standard Time.
4:00 am04:00 in NZDT is 10:00 am10:00 in EST

NZDT to EST call time
Best time for a conference call or a meeting is between 9am-12pm09:00-12:00 in NZDT which corresponds to 3pm-6pm15:00-18:00 in EST (previous day)

4:00 am04:00 New Zealand Daylight Time (NZDT). Offset UTC +13:00 hours
10:00 am10:00 Eastern Standard Time (EST). Offset UTC -5:00 hours

4:00 am04:00 NZDT / 10:00 am10:00 EST

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
NZDT	EST
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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).
Open the world time zone map © OpenStreetMap

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).

End: 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.

Start: 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

Eastern Daylight Time

Offset: EDT is 4 hours behind Greenwich Mean Time (GMT).

Countries using this time zone: Bahamas, Canada, Haiti, Turks and Caicos Islands, United States

Principal Cities: The largest city in the EDT time zone is New York City in the United States, with about 8.804 million people. Other major cities in this time zone include Toronto, Montréal, Philadelphia, Port-au-Prince.

French: HAE - Heure Avancée de l'Est

Spanish: EDT - Tiempo de verano del Este, ET - Zona Sureste

Map of the areas on Eastern Daylight Time (EDT) — EDT part of the year
Today the shaded areas are on UTC−5 (EST).
Open the world time zone map © OpenStreetMap

Daylight Saving: Eastern Daylight Time (EDT) is a daylight saving/summer time zone, but some places set clocks back one hour during winter and observe Eastern Standard Time (EST).

End: Eastern Daylight Time (EDT) ended on Sunday, November 1, 2026 at 2:00 am02:00 local time and clocks were 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.

Start: Eastern Daylight Time (EDT) starts on Sunday, March 14, 2027 at 2:00 am02:00 local time and clocks are set one hour forward to Sunday, March 14, 2027, 3:00 am03:00. Daylight saving starts annually on the second Sunday of March.

See USA daylight saving time and upcoming clock changes worldwide.

EDT representations, usage and related time zones