KST to NZDT Converter
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Add one or more places to compare local times, adjust the date, and share the result.
Quick answers
Selected conversion
9:00 pm21:00 KST (UTC+9), Oct 18, 2026 = 1:00 am01:00 NZDT (UTC+13), Oct 19, 2026
KST is 4 hours behind NZDT.
KST and NZDT examples
These examples always use KST (UTC+9) and NZDT (UTC+13). They stay the same when you change the date or time above. The selected conversion may differ when daylight saving time applies.
KST is 4 hours behind NZDT.
How the time difference changes
Depending on seasonal clock changes, KST is 3 hours behind NZST or KST is 4 hours behind NZDT.
Depending on seasonal clock changes, working hours of 9:00 am to 6:00 pm in KST correspond to 12:00 pm to 9:00 pm in NZST or working hours of 9:00 am to 6:00 pm in KST correspond to 1:00 pm to 10:00 pm in NZDT.Depending on seasonal clock changes, working hours of 09:00 to 18:00 in KST correspond to 12:00 to 21:00 in NZST or working hours of 09:00 to 18:00 in KST correspond to 13:00 to 22:00 in NZDT.
Compare KST time with NZDT time, including current local time, UTC offsets, time difference, daylight saving changes, working hours, and shareable meeting times.
Time Difference
Korea Standard Time is 4 hours behind New Zealand Daylight Time.
9:00 pm21:00 in KST is 1:00 am01:00 in NZDT
KST to NZDT call time
Best time for a conference call or a meeting is between 9am-2pm09:00-14:00 in KST which corresponds to 1pm-6pm13:00-18:00 in NZDT
9:00 pm21:00 Korea Standard Time (KST). Offset UTC +9:00 hours
1:00 am01:00 New Zealand Daylight Time (NZDT). Offset UTC +13:00 hours
9:00 pm21:00 KST / 1:00 am01:00 NZDT
Choose an hour to update the converter. Day labels such as “next day” or “+1” are relative to the selected date in the first column. Use Up and Down arrow keys, Home or End to move between hours, then Enter or Space to select.
| KST | NZDT |
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Korea Standard Time
Offset: KST is 9 hours ahead of Greenwich Mean Time (GMT).
Countries using this time zone: North Korea, South Korea
Principal Cities: The largest city in the KST time zone is Seoul in South Korea, with about 10.349 million people. Other major cities in this time zone include Busan, Pyongyang, Incheon, Daegu.
Daylight Saving: Clocks in Korea Standard Time (KST) do not change for daylight saving time, so KST stays the same throughout the year. Other time zones may set clocks forward in summer and back in winter; see upcoming clock changes worldwide.
KST 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 an offset of nine hours to the east of the zero meridian.
- India - Military abbreviation for KST
- I - short form of 'India'
- Asia/Pyongyang
- Asia/Seoul
- ROK
- Korea Standard Time - UTC +9
- Pyongyang Time - UTC +8:30
- 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 of Greenwich Mean Time (GMT).
Countries using this time zone: Antarctica, New Zealand
Principal Cities: The largest city in the NZDT time zone is Auckland in New Zealand, with about 1.547 million people. Other major cities in this time zone include Christchurch, Wellington, Hamilton, Tauranga.
Today all shaded areas are on NZDT.
Daylight Saving: New Zealand Daylight Time (NZDT) is a daylight saving/summer time zone. During winter, some places set clocks back one hour and observe New Zealand Standard Time (NZST).
Start: New Zealand Daylight Time (NZDT) started on Sunday, September 27, 2026 at 2:00 am02:00 local time and clocks were set one hour forward to Sunday, September 27, 2026, 3:00 am03:00. Daylight saving starts annually on the last Sunday of September.
End: New Zealand Daylight Time (NZDT) ends on Sunday, April 4, 2027 at 3:00 am03:00 local time and clocks are set one hour back to Sunday, April 4, 2027, 2:00 am02:00 local standard time instead. Daylight saving ends annually on the first Sunday of April.
See New Zealand daylight saving time and upcoming clock changes worldwide.
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 an offset of thirteen hours 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