JST to NZDT Converter
Time Difference
Japan Standard Time is 3 hours behind New Zealand Standard Time
7:30 am07:30 in JST is 10:30 am10:30 in NZST
JST to NZDT call time
Best time for a conference call or a meeting is between 8am-2pm in JST which corresponds to 12pm-6pm in NZDT
7:30 am07:30 Japan Standard Time (JST). Offset UTC +9:00 hours
10:30 am10:30 New Zealand Standard Time (NZST). Offset UTC +12:00 hours
7:30 am07:30 JST / 10:30 am10:30 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 Daylight Time
Offset: NZDT is 13 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 NZDT 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: New Zealand Daylight Time (NZDT) is a daylight saving/summer time zone, however during winter some places adjust time for one hour back and observe New Zealand Standard Time (NZST).
End: New Zealand Daylight Time (NZDT) has ended 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 local standard time instead. Daylight saving ends annually the on first Sunday of April
Start: New Zealand Daylight Time (NZDT) starts 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. Daylight saving starts annually the on last Sunday of September
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 thirteen hour and zero minutes time differences 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