JST to NZST Converter
NZDT is 4 hours ahead of JST. 9:00 AM JST = 1:00 PM NZDT.
NZDT is 4 hours ahead of JST at the moment. To convert JST to NZST, add 4 hours to the JST time: 9:00 AM JST = 1:00 PM NZDT.
JST (Japan Time) is used in Japan. NZST (New Zealand Time) is used in New Zealand.
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.
JST to NZST time conversion table
JST to NZST on 7 Nov 2026. Today's date. Highlighted rows are 9 AM–5 PM in both places.
| JST | NZST | Day |
|---|---|---|
| 12:00 AM JST | 4:00 AM NZDT | night |
| 1:00 AM JST | 5:00 AM NZDT | night |
| 2:00 AM JST | 6:00 AM NZDT | — |
| 3:00 AM JST | 7:00 AM NZDT | — |
| 4:00 AM JST | 8:00 AM NZDT | — |
| 5:00 AM JST | 9:00 AM NZDT | — |
| 6:00 AM JST | 10:00 AM NZDT | — |
| 7:00 AM JST | 11:00 AM NZDT | — |
| 8:00 AM JST | 12:00 PM NZDT | — |
| 9:00 AM JST | 1:00 PM NZDT | work hours |
| 10:00 AM JST | 2:00 PM NZDT | work hours |
| 11:00 AM JST | 3:00 PM NZDT | work hours |
| 12:00 PM JST | 4:00 PM NZDT | work hours |
| 1:00 PM JST | 5:00 PM NZDT | — |
| 2:00 PM JST | 6:00 PM NZDT | — |
| 3:00 PM JST | 7:00 PM NZDT | — |
| 4:00 PM JST | 8:00 PM NZDT | — |
| 5:00 PM JST | 9:00 PM NZDT | — |
| 6:00 PM JST | 10:00 PM NZDT | night |
| 7:00 PM JST | 11:00 PM NZDT | night |
| 8:00 PM JST | 12:00 AM NZDT | next day |
| 9:00 PM JST | 1:00 AM NZDT | next day |
| 10:00 PM JST | 2:00 AM NZDT | next day |
| 11:00 PM JST | 3:00 AM NZDT | next day |
- Work rows — 9 AM–5 PM in both places
- Night in the destination (10 PM–6 AM)
How to convert JST to NZST
Add 4 hours to the JST time to get NZST.
Example: 9:00 AM JST = 1:00 PM NZDT.
Across midnight: 10:00 PM JST = 2:00 AM NZDT (next day). The date changes, so always check the day as well as the hour.
Time difference between JST and NZST
The time difference between JST 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:
- 1 Jan 2026 – 3 Apr 2026: NZST is 4 hours ahead of JST.
- 4 Apr 2026 – 25 Sep 2026: NZST is 3 hours ahead of JST.
- 26 Sep 2026 – 31 Dec 2026: NZST is 4 hours ahead of JST.
JST and NZST during daylight saving time
- JST does not observe daylight saving time; it stays on UTC+9 all year.
- 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 JST and NZST
JST and NZST share 4 hours of the 9 AM–5 PM working day. Any time between 9:00 AM and 1:00 PM JST lands between 1:00 PM and 5:00 PM NZDT, inside working hours for both.
JST to NZST FAQ
What is the time difference between JST and NZST?
Right now NZDT is 4 hours ahead of JST. The gap changes 3 times in 2026 because the two sides switch to daylight saving time on different dates.
What is 9 AM JST in NZST?
9:00 AM JST is 1:00 PM NZDT.
What is 12 PM (noon) JST in NZST?
12:00 PM JST is 4:00 PM NZDT.
Is NZST ahead of or behind JST?
NZDT is 4 hours ahead of JST, so it is later in NZST than in JST.
Does JST change for daylight saving time?
No. JST stays on the same offset all year, so conversions never shift for daylight saving time.
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 JST and NZST?
JST and NZST share 4 hours of the 9 AM–5 PM working day. Any time between 9:00 AM and 1:00 PM JST lands between 1:00 PM and 5:00 PM NZDT, inside working hours for both.
Related conversions
Convert NZST to JST
Convert JST to other time zones
Convert other time zones to NZST
Learn more
Updated 7 November 2026. Time zone data: IANA tz database.