Question 1

What is the time difference between JST and NZST?

Accepted Answer

New Zealand Standard Time (NZST) is 4 hours ahead of Japan Standard Time (JST). Use the conversion table above to see the exact time for each hour.

Question 2

How do I convert JST to NZST?

Accepted Answer

To convert JST to NZST, add 4 hours to the JST time. For example, 9:00 AM JST is 1:00 PM NZST.

Question 3

What time is it in NZST when it's noon in JST?

Accepted Answer

When it's 12:00 PM (noon) in JST, it's 4:00 PM in NZST. NZST is 4 hours ahead of JST.

Question 4

How many hours ahead is NZST from JST?

Accepted Answer

NZST is 4 hours ahead of JST. This means when it's 9:00 AM in JST, it's 1:00 PM in NZST.

Question 5

Is NZST ahead or behind JST?

Accepted Answer

NZST is ahead of JST by 4 hours. Clocks in NZST show a later time than JST.

Question 6

Does JST observe daylight saving time?

Accepted Answer

No, Japan Standard Time does not observe daylight saving time. The UTC offset remains the same year-round.

Question 7

Does NZST observe daylight saving time?

Accepted Answer

Yes, New Zealand Standard Time observes daylight saving time. During DST, the abbreviation changes to NZDT and clocks move forward by one hour.

Question 8

What is the best time to call from JST to NZST?

Accepted Answer

The best time for a call between JST and NZST is during overlapping business hours (9 AM – 5 PM) in both timezones. Check the color-coded conversion table above — green hours indicate business hours in both zones.

Question 9

When does daylight saving time change in NZST?

Accepted Answer

Daylight saving time transitions vary by year and region. New Zealand Standard Time observes DST, which typically shifts clocks forward by one hour in spring and back in fall. During DST transitions, the time difference between JST and NZST may temporarily change. Check our DST change calendar for exact dates.

Question 10

Do JST and NZST ever have the same time?

Accepted Answer

No, JST and NZST never show the same time. However, because NZST observes daylight saving time and JST does not, the time difference between them changes by one hour during DST transitions.

Japan Standard Time (JST)	Period	New Zealand Standard Time (NZDT)	Period
12:00 AM	Night	4:00 AM	Night
1:00 AM	Night	5:00 AM	Night
2:00 AM	Night	6:00 AM	Morning
3:00 AM	Night	7:00 AM	Morning
4:00 AM	Night	8:00 AM	Morning
5:00 AM	Night	9:00 AM	Business
6:00 AM	Morning	10:00 AM	Business
7:00 AM	Morning	11:00 AM	Business
8:00 AM	Morning	12:00 PM	Business
9:00 AM	Business	1:00 PM	Business
10:00 AM	Business	2:00 PM	Business
11:00 AM	Business	3:00 PM	Business
12:00 PM	Business	4:00 PM	Business
1:00 PM	Business	5:00 PM	Business
2:00 PM	Business	6:00 PM	Evening
3:00 PM	Business	7:00 PM	Evening
4:00 PM	Business	8:00 PM	Evening
5:00 PM	Business	9:00 PM	Evening
6:00 PM	Evening	10:00 PM	Evening
7:00 PM	Evening	11:00 PM	Evening
8:00 PM	Evening	12:00 AM+1d	Night
9:00 PM	Evening	1:00 AM+1d	Night
10:00 PM	Evening	2:00 AM+1d	Night
11:00 PM	Evening	3:00 AM+1d	Night

JST to NZST Converter

Timezone Details

24-Hour Overview

JST to NZST Conversion Table

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