NZST to KST time conversion
KST is 3 hours behind NZST.
NZST is always UTC+12. Right now most places that use NZST are on NZDT (UTC+13): KST is 4 hours behind NZDT.
Time difference with your location
NZST is 12 hours ahead of UTC. Compare with your local time →
Choose a date and time
Choose the local time in NZST to convert it to KST on that date.
Skipped clock-change times are unavailable; a repeated time uses its first occurrence.
24-hour conversion chart · NZST → KST
This table converts each hour in NZST to KST on 2026-10-22.
- Working hours
- Outside working hours
- Night hours
| NZST | KST | Shared working hours |
|---|---|---|
| 00:0012:00 AM | 21:009:00 PM -1 day | |
| 01:001:00 AM | 22:0010:00 PM -1 day | |
| 02:002:00 AM | 23:0011:00 PM -1 day | |
| 03:003:00 AM | 00:0012:00 AM | |
| 04:004:00 AM | 01:001:00 AM | |
| 05:005:00 AM | 02:002:00 AM | |
| 06:006:00 AM | 03:003:00 AM | |
| 07:007:00 AM | 04:004:00 AM | |
| 08:008:00 AM | 05:005:00 AM | |
| 09:009:00 AM | 06:006:00 AM | |
| 10:0010:00 AM | 07:007:00 AM | |
| 11:0011:00 AM | 08:008:00 AM | ✓ |
| 12:0012:00 PM | 09:009:00 AM | ✓ |
| 13:001:00 PM | 10:0010:00 AM | ✓ |
| 14:002:00 PM | 11:0011:00 AM | ✓ |
| 15:003:00 PM | 12:0012:00 PM | ✓ |
| 16:004:00 PM | 13:001:00 PM | ✓ |
| 17:005:00 PM | 14:002:00 PM | ✓ |
| 18:006:00 PM | 15:003:00 PM | |
| 19:007:00 PM | 16:004:00 PM | |
| 20:008:00 PM | 17:005:00 PM | |
| 21:009:00 PM | 18:006:00 PM | |
| 22:0010:00 PM | 19:007:00 PM | |
| 23:0011:00 PM | 20:008:00 PM |
Quick conversion examples
These examples use NZST (UTC+12) and KST (UTC+9); choosing a date applies the local clock changes.
Conversion formula: KST = NZST − 3h · NZDT − 4h.
| NZST | KST |
|---|---|
| 6:00 AM NZST | = 3:00 AM KST |
| 7:00 AM NZST | = 4:00 AM KST |
| 8:00 AM NZST | = 5:00 AM KST |
| 9:00 AM NZST | = 6:00 AM KST |
| 10:00 AM NZST | = 7:00 AM KST |
| 12:00 PM NZST | = 9:00 AM KST |
| 3:00 PM NZST | = 12:00 PM KST |
| 5:00 PM NZST | = 2:00 PM KST |
| 6:00 PM NZST | = 3:00 PM KST |
| 8:00 PM NZST | = 5:00 PM KST |
Overlapping meeting hours
The 08:00–18:00 working day in NZST and KST overlaps for 7 hours on 2026-10-22.
- Shared working hours
- 11:00–18:00 NZST · 08:00–15:00 KST
Clock changes on both sides, 2026–2028
NZST and KST have the following local clock changes in 2026–2028; all times in the table are local to that side.
| Year | NZST | KST |
|---|---|---|
| 2026 | · 03:00 → 02:00 · 02:00 → 03:00 | No clock changes; UTC+9 all year. |
| 2027 | · 03:00 → 02:00 · 02:00 → 03:00 | No clock changes; UTC+9 all year. |
| 2028 | · 03:00 → 02:00 · 02:00 → 03:00 | No clock changes; UTC+9 all year. |
At the start of 2026, KST is 4 hours behind NZDT. The difference changes during the following periods.
- From 2026-04-05 02:00 NZST until 2026-09-27 03:00 NZDT, KST is 3 hours behind NZST.
- From 2027-04-04 02:00 NZST until 2027-09-26 03:00 NZDT, KST is 3 hours behind NZST.
- From 2028-04-02 02:00 NZST until 2028-09-24 03:00 NZDT, KST is 3 hours behind NZST.
Frequently asked questions
What time is 9 AM NZST in KST?
9:00 AM NZST = 6:00 AM KST, using UTC+12 and UTC+9. Choose a date above for the seasonal local time.
Does the time difference between NZST and KST change during the year?
Yes. During 2026–2028: KST is 4 hours behind NZST; KST is 3 hours behind NZST. The clock-change table gives the dates for both sides.
How do I tell whether it is day or night in KST?
Read the KST clock above: this guide counts 06:00–18:00 local time as daytime and the rest as nighttime, without using sunrise and sunset.
What is the best time to call between NZST and KST?
The shared 08:00–18:00 working window is 11:00–18:00 GILT / 08:00–15:00 KST, a total of 7 hours.
What is the time difference between NZST and KST now?
Right now, KST is 3 hours behind GILT. Conversion formula: KST = NZST − 3h · NZDT − 4h.