JST to NZDT Converter
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Add one or more places to compare local times, adjust the date, and share the result.
Quick answers
Selected conversion
9:00 pm21:00 JST (UTC+9), Oct 19, 2026 = 1:00 am01:00 NZDT (UTC+13), Oct 20, 2026
JST is 4 hours behind NZDT.
JST and NZDT examples
These examples always use JST (UTC+9) and NZDT (UTC+13). They stay the same when you change the date or time above. The selected conversion may differ when daylight saving time applies.
JST is 4 hours behind NZDT.
How the time difference changes
Depending on seasonal clock changes, JST is 3 hours behind NZST or JST is 4 hours behind NZDT.
Depending on seasonal clock changes, working hours of 9:00 am to 6:00 pm in JST correspond to 12:00 pm to 9:00 pm in NZST or working hours of 9:00 am to 6:00 pm in JST correspond to 1:00 pm to 10:00 pm in NZDT.Depending on seasonal clock changes, working hours of 09:00 to 18:00 in JST correspond to 12:00 to 21:00 in NZST or working hours of 09:00 to 18:00 in JST correspond to 13:00 to 22:00 in NZDT.
Compare JST time with NZDT time, including current local time, UTC offsets, time difference, daylight saving changes, working hours, and shareable meeting times.
Time Difference
Japan Standard Time is 4 hours behind New Zealand Daylight Time.
9:00 pm21:00 in JST is 1:00 am01:00 in NZDT
JST to NZDT call time
Best time for a conference call or a meeting is between 9am-2pm09:00-14:00 in JST which corresponds to 1pm-6pm13:00-18:00 in NZDT
9:00 pm21:00 Japan Standard Time (JST). Offset UTC +9:00 hours
1:00 am01:00 New Zealand Daylight Time (NZDT). Offset UTC +13:00 hours
9:00 pm21:00 JST / 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.
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Japan Standard Time
Offset: JST is 9 hours ahead of Greenwich Mean Time (GMT).
Countries using this time zone: Japan
Principal Cities: The largest city in the JST time zone is Tokyo in Japan, with about 9.733 million people. Other major cities in this time zone include Yokohama, Osaka, Nagoya, Sapporo.
Daylight Saving: Clocks in Japan Standard Time (JST) do not change for daylight saving time, so JST stays the same throughout the year. Other time zones may set clocks forward in summer and back in winter; see upcoming clock changes worldwide.
Current time in Japan: Japan time now
JST representations, usage and related time zones
- +09 - basic short
- +0900 - basic
- +09:00 - extended
- +0900 - sign character (+) followed by a four digit time providing hours (09) and minutes (00) of the offset. Indicates an offset of nine hours to the east of the zero meridian.
- India - Military abbreviation for JST
- I - short form of 'India'
- Asia/Tokyo
- Japan
- AWDT - Australian Western Daylight Time
- CHOST - Choibalsan Summer Time
- I - India Time Zone
- IRKST - Irkutsk Summer Time
- JST - Japan Standard Time
- KST - Korea Standard Time
- PWT - Palau Time
- TLT - East Timor Time
- ULAST - Ulaanbaatar Summer Time
- WIT - Eastern Indonesian Time
- YAKT - Yakutsk Time
New Zealand Daylight Time
Offset: NZDT is 13 hours ahead of Greenwich Mean Time (GMT).
Countries using this time zone: Antarctica, New Zealand
Principal Cities: The largest city in the NZDT 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.
Today all shaded areas are on NZDT.
Daylight Saving: New Zealand Daylight Time (NZDT) is a daylight saving/summer time zone. During winter, some places set clocks back one hour and observe New Zealand Standard Time (NZST).
Start: New Zealand Daylight Time (NZDT) started 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. Daylight saving starts annually on the last Sunday of September.
End: New Zealand Daylight Time (NZDT) ends 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 local standard time instead. Daylight saving ends annually on the first Sunday of April.
See New Zealand daylight saving time and upcoming clock changes worldwide.
NZDT representations, usage and related time zones
- +13 - basic short
- +1300 - basic
- +13:00 - extended
- +1300 - sign character (+) followed by a four digit time providing hours (13) and minutes (00) of the offset. Indicates an offset of thirteen hours to the east of the zero meridian.
- Antarctica/McMurdo
- Antarctica/South_Pole
- NZ
- Pacific/Auckland
- FJST - Fiji Summer Time
- NZDT - New Zealand Daylight Time
- PHOT - Phoenix Island Time
- TKT - Tokelau Time
- TOT - Tonga Time
- WST - West Samoa Time
- WSST - West Samoa Standard Time