JST to NZST Converter
Time Difference
Japan Standard Time is 3 hours behind New Zealand Standard Time
5:30 pm17:30 in JST is 8:30 pm20:30 in NZST
JST to NZST call time
Best time for a conference call or a meeting is between 8am-3pm in JST which corresponds to 11am-6pm in NZST
5:30 pm17:30 Japan Standard Time (JST). Offset UTC +9:00 hours
8:30 pm20:30 New Zealand Standard Time (NZST). Offset UTC +12:00 hours
5:30 pm17:30 JST / 8:30 pm20:30 NZST
JST | NZST |
---|---|
12am (midnight) | 3am |
1am | 4am |
2am | 5am |
3am | 6am |
4am | 7am |
5am | 8am |
6am | 9am |
7am | 10am |
8am | 11am |
9am | 12pm (noon) |
10am | 1pm |
11am | 2pm |
12pm (noon) | 3pm |
1pm | 4pm |
2pm | 5pm |
3pm | 6pm |
4pm | 7pm |
5pm | 8pm |
6pm | 9pm |
7pm | 10pm |
8pm | 11pm |
9pm | 12am (midnight) |
10pm | 1am |
11pm | 2am |
0:00 | 3:00 |
1:00 | 4:00 |
2:00 | 5:00 |
3:00 | 6:00 |
4:00 | 7:00 |
5:00 | 8:00 |
6:00 | 9:00 |
7:00 | 10:00 |
8:00 | 11:00 |
9:00 | 12:00 |
10:00 | 13:00 |
11:00 | 14:00 |
12:00 | 15:00 |
13:00 | 16:00 |
14:00 | 17:00 |
15:00 | 18:00 |
16:00 | 19:00 |
17:00 | 20:00 |
18:00 | 21:00 |
19:00 | 22:00 |
20:00 | 23:00 |
21:00 | 0:00 |
22:00 | 1:00 |
23:00 | 2:00 |
Japan Standard Time
Offset: JST is 9 hours ahead Greenwich Mean Time (GMT) and is used in Asia
Countries: It is used in following countries: Japan
Principal Cities: The largest city in the JST timezone is Tokyo from Japan with population about 8.337 million people. Other major cities in the area are Yokohama, Osaka shi, Nagoya shi, Sapporo
Daylight Saving: Japan Standard Time (JST) is not adjusted for daylight saving therefore JST remains the same through out the year. This means, unlike some time zones where the clock is set forward by one hour every summer and backward by one hour during winter to adjust for daylight saving, Japan Standard Time remains the same

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 nine hour and zero minutes time differences 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 Standard Time
Offset: NZST is 12 hours ahead Greenwich Mean Time (GMT) and is used in Pacific
Countries: It is used in following countries: Antarctica, New Zealand
Principal Cities: The largest city in the NZST timezone is Auckland from New Zealand with population about 1.535 million people. Other major cities in the area are Wellington, Christchurch, Hamilton, Tauranga

Daylight Saving: This is a standard timezone, however during summer some places switch clocks for one hour forward when daylight saving comes into effect and observe New Zealand Daylight Time (NZDT).
Start: New Zealand Standard Time (NZST) started on Sunday, April 6, 2025 at 3:00 am local time and clocks were set one hour back to Sunday, April 6, 2025, 2:00 am. Standard time starts annually the on first Sunday of April.
End: New Zealand Standard Time (NZST) ends on Sunday, September 28, 2025 at 2:00 am local time and clocks are set one hour forward to Sunday, September 28, 2025, 3:00 am local daylight time instead. Standard time starts annually the on last Sunday of September.
NZST representations, usage and related time zones
- +12 - basic short
- +1200 - basic
- +12:00 - extended
- +1200 - sign character (+) followed by a four digit time providing hours (12) and minutes (00) of the offset. Indicates twelve hour and zero minutes time differences to the east of the zero meridian.
- Mike - Military abbreviation for NZST
- M - short form of 'Mike'
- Antarctica/McMurdo
- Antarctica/South_Pole
- NZ
- Pacific/Auckland
- ANAST - Anadyr Summer Time
- ANAT - Anadyr Time
- FJT - Fiji Time
- GILT - Gilbert Island Time
- M - Mike Time Zone
- MAGST - Magadan Summer Time
- MAGT - Magadan Time
- MHT - Marshall Islands Time
- NRT - Nauru Time
- NZST - New Zealand Standard Time
- PETST - Kamchatka Summer Time
- TVT - Tuvalu Time
- WFT - Wallis and Futuna Time