built:date

JST to NZDT Converter

Convert Japan Standard Time (JST) to New Zealand Daylight Time (NZDT) in one step. Because nZDT is 4 hours ahead of JST, the math is a fixed 4 hours shift. Adjust the time or date and watch it update.

NZST is 3 hours ahead of JST
From
JST

Now in Tokyo: 2:54:04 AM JST

To
NZST

Now in Auckland: 5:54:04 AM NZST

On this date Auckland observes NZST. NZDT is in effect during summer (daylight saving) months.

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Daylight saving notes

In New Zealand, daylight saving time runs from the first Sunday in October to the first Sunday in April. That affects New Zealand Daylight Time (NZDT).

JST to NZDT conversion chart

For example, a 9:00 AM JST meeting takes place at 1:00 PM NZDT. Concretely, when Tokyo (JST) and Auckland (NZDT) set up a call, nZDT is 4 hours ahead of JST.

Japan Standard Time to New Zealand Daylight Time conversion chart
JST timeNZDT time
12:00 AM4:00 AM
1:00 AM5:00 AM
2:00 AM6:00 AM
3:00 AM7:00 AM
4:00 AM8:00 AM
5:00 AM9:00 AM
6:00 AM10:00 AM
7:00 AM11:00 AM
8:00 AM12:00 PM
9:00 AM1:00 PM
10:00 AM2:00 PM
11:00 AM3:00 PM
12:00 PM4:00 PM
1:00 PM5:00 PM
2:00 PM6:00 PM
3:00 PM7:00 PM
4:00 PM8:00 PM
5:00 PM9:00 PM
6:00 PM10:00 PM
7:00 PM11:00 PM
8:00 PM12:00 AM+1 day
9:00 PM1:00 AM+1 day
10:00 PM2:00 AM+1 day
11:00 PM3:00 AM+1 day

This chart uses the fixed JST and NZDT offsets; the live converter above follows current daylight saving.

Convert JST to NZDT Time Zone

A quick guide to JST → NZDT: the time gap, the live clocks, scheduling tips, and how we keep it accurate.

How do I convert JST to NZDT?

It takes three quick steps:

  1. Click the JST field on the left and pick the time you want to convert.
  2. The matching NZDT time updates on the right automatically — there’s no button to press.
  3. Need a different day? Click the date field and the result follows, rolling over if it crosses midnight.

How many hours apart are JST and NZDT?

NZDT is 4 hours ahead of JST. In everyday terms, once you know the time on one side you just add 4 hours to get the other — so a call between Tokyo and Auckland is always 4 hours apart.

What time is it in NZDT right now?

Right now the time in New Zealand Daylight Time (NZDT) is Tuesday, June 30, 2026 · 6:54:04 AM. It ticks every second, so you’re always looking at the live NZDT clock.

What time is it in JST right now?

And in Japan Standard Time (JST), it’s currently Tuesday, June 30, 2026 · 2:54:04 AM. Compare the two and the 4 hours gap is easy to see.

Planning a meeting across JST and NZDT?

For example, a 9:00 AM JST meeting takes place at 1:00 PM NZDT. The trick is to aim for a slot that lands inside normal working hours on both sides. Once you’ve found a time, hit Share on the converter to copy a link with the time built in — easy to send to a colleague. Juggling three or more zones? The meeting planner highlights the hours that overlap for everyone.

How does daylight saving affect JST to NZDT?

The labels JST and NZDT are fixed offsets, so the result on this page is always exact. One side switches between standard and summer time while the other stays put, so the real-world gap can shift by an hour for part of the year. It's worth checking which label a region is actually using before you lock in a time.

Why can you trust this JST to NZDT converter?

Every conversion here is calculated from the IANA time zone database — the same source your phone, computer, and browser rely on. Plenty of tools hard-code a single offset, which quietly goes wrong whenever a region changes its rules or flips for daylight saving. We follow the real rules instead, so JST to NZDT stays accurate for today and for any past or future date you type in.

Convert JST to other time zones

Convert to NZDT from other time zones

Frequently asked questions

How many hours ahead of JST is NZDT?

NZDT is 4 hours ahead of JST — a fixed 4 hours difference, since both are fixed-offset labels.

What time is it in NZDT when it's 12:00 PM JST?

When it's 12:00 PM (noon) JST, it's 4:00 PM NZDT.

Do JST or NZDT use daylight saving time?

Japan Standard Time (JST) is a fixed offset with no daylight saving; New Zealand Daylight Time (NZDT) observes daylight saving, alternating with NZST.

Why might the real-world JST–NZDT difference change during the year?

The labels JST and NZDT are fixed offsets, so this converter is always exact. But New Zealand Daylight Time's region switches between standard and summer time, so for part of the year you may actually want JST to NZST. Always check which label a region is currently using before you schedule.