KST to NZST Converter

Category: Time Zone Converters

Korea Standard Time (KST)

UTC+9 • Seoul, Busan, Incheon

Conversion Settings

Configure your timezone conversion preferences

New Zealand Standard Time (NZST)

UTC+12/13 • Auckland, Wellington, Christchurch
--:--:--
Select a time to convert
Time Difference: --
UTC Offset (KST): +9
UTC Offset (NZST): +12/+13
DST Status: --
KST Time: --
NZST Time: --
Time Format:
Current KST: --:--:--
Current NZST: --:--:--
🌍 KST is always UTC+9 and never changes. NZST switches between UTC+12 (standard) and UTC+13 (daylight saving) from September to April.

KST to NZST Conversion Guide

What is KST to NZST Conversion?

KST to NZST conversion helps you translate time between Korea Standard Time and New Zealand Standard Time. KST is always UTC+9 and never changes throughout the year, while NZST switches between UTC+12 (standard time) and UTC+13 (daylight saving time). The time difference varies between 3 hours (during NZST) and 4 hours (during NZDT), with New Zealand always ahead of Korea.

Time Zone Information

Korea Standard Time (KST): Used throughout South Korea and North Korea. Always UTC+9 with no daylight saving time adjustments since 1988.
New Zealand Standard Time (NZST): Standard time is UTC+12, switching to NZDT (UTC+13) during daylight saving from September to April.
Historical Note: New Zealand was the first country to officially adopt a national standard time in 1868.

Daylight Saving Time Impact

NZST Period (April-September): New Zealand is UTC+12, making it 3 hours ahead of KST
NZDT Period (September-April): New Zealand is UTC+13, making it 4 hours ahead of KST
KST Consistency: Korea Standard Time never changes and maintains UTC+9 year-round

Common Conversion Examples

During NZST (Winter)
KST 9:00 AMNZST 12:00 PM
KST 5:00 PMNZST 8:00 PM
3 hours difference
During NZDT (Summer)
KST 9:00 AMNZDT 1:00 PM
KST 5:00 PMNZDT 9:00 PM
4 hours difference
Business Hours
KST 8:00 AMNZST 11:00 AM
KST 8:00 AMNZDT 12:00 PM
Morning coordination times
Late Evening Times
KST 9:00 PMNZST 12:00 AM (+1 day)
KST 9:00 PMNZDT 1:00 AM (+1 day)
Next day starts in New Zealand

Conversion Tips & Best Practices

New Zealand is 3 hours ahead during NZST (April-September) and 4 hours ahead during NZDT (September-April)
Korea never observes daylight saving time, making KST consistent year-round at UTC+9
New Zealand's daylight saving period is opposite to Northern Hemisphere countries (September to April)
Date changes occur when converting KST evening times to NZST/NZDT late night times
Best business communication times: KST morning hours align well with NZST/NZDT late morning/afternoon
Both countries are in similar longitude zones, making the time difference relatively small for Asia-Pacific coordination

KST to NZST Converter

Need to find out what 9 AM in Seoul means for your team in Auckland? This converter lines it all up. Here’s a look at which countries sit in each of these time zones to help you spot where you stand:

Korea Standard Time (UTC+9) New Zealand Standard Time (UTC+12 / UTC+13 with DST)
🇰🇷 South Korea
🇰🇵 North Korea
🇯🇵 Japan (Note: Uses Japan Standard Time, identical UTC+9)
🇮🇩 Indonesia (parts: Maluku, Papua)
🇷🇺 Russia (Yakutsk Time zone regions)
🇹🇱 Timor-Leste
🇵🇬 Papua New Guinea (some areas)
🇳🇿 New Zealand
🇨🇰 Cook Islands*
🇳🇺 Niue*
🇹🇰 Tokelau
🇦🇶 Antarctica (Scott Base, NZ-operated)
*Note: Some use different time zones, but Tokelau and mainland New Zealand fully follow NZST/NZDT

Why convert between KST and NZST?

When you’re scheduling calls or syncing project timelines between South Korea and New Zealand, knowing the correct local time saves a ton of confusion. Korea runs on a fixed UTC+9 clock all year, while New Zealand flips between UTC+12 and UTC+13 depending on the season. This calculator takes the guesswork out of that shift so you don’t end up waking someone up at 4 AM.

Using the converter: a clear walk-through

Step 1: Choose your base time

Start by selecting whether your input is from Korea or New Zealand. The tool lets you swap back and forth. Enter the date and time you want to convert from.

Step 2: Customize your settings

  • Auto Convert: Automatically recalculates when you adjust the input.
  • Daylight Saving Aware: Checks if New Zealand is on daylight time. This matters most between September and April.
  • Show UTC Offset: Adds the UTC values next to the converted times, in case you need to sync with others.
  • Show Seconds: Adds precision if you’re doing exact timing or live event coordination.

Step 3: Hit convert (or just let it run)

If auto convert is on, the result appears as you type. Otherwise, hit the convert button. You'll get a clear answer with both the new time and date, UTC offset, and whether New Zealand is on standard or daylight time.

Step 4: Optional Tools

  • Swap: Flips the direction of the conversion, handy if you’re working from the New Zealand side.
  • Now: Instantly pulls in the current time in the selected zone for live checks.
  • Reset: Clears the form and sets everything back to default.
  • 12/24 Hour Format: Click the format button to toggle how times are displayed.

Built for the details: how this tool handles time zones

This isn’t just a static calculator. It checks for daylight saving automatically when enabled and shows the adjusted offset for both time zones. It also accounts for local date changes, which is key when one country crosses into the next calendar day while the other hasn’t yet. It even updates the current time for both zones live, so you can double-check that everything’s in sync.

Quick example: planning a webinar across Seoul and Wellington

Imagine you're hosting a webinar from South Korea and want it to air at 5 PM local time. This tool helps you instantly see that your audience in New Zealand will join at either 8 PM (NZST) or 9 PM (NZDT), depending on the season. No spreadsheets or mental math required. Just plug in the date and time, and the tool figures it all out for you.

Time now in these cities:

Shanghai · Beijing · Dhaka · Cairo · Shenzhen · Guangzhou · Lagos · Kinshasa · Istanbul · Tokyo · Chengdu · Mumbai · Moscow · São Paulo · Karachi · Tianjin · Delhi · Jakarta · Bangkok · Wuhan · Lima · Seoul · Dongguan · Xi’an · Nanjing · Hangzhou · Mexico City · Tehran · Foshan · Ho Chi Minh City · London · New York City · Bengaluru · Luanda · Hanoi · Bogota · Riyadh · Hong Kong · Hong Kong · Chongqing · Baghdad · Qingdao · Shenyang · Rio de Janeiro · Suzhou · Ahmedabad · Abidjan · Lahore · Santiago · Singapore · Singapore · Johannesburg · Dar es Salaam · Saint Petersburg · Alexandria · Harbin · Sydney · Khartoum · Ankara · Hefei · Melbourne · Dalian · Kano · Addis Ababa · Changchun · Cape Town · Jeddah · Chennai · Kolkata · Xiamen · Surat · Yangon · Nairobi · Wuxi · Giza · Jinan · Taiyuan · Kabul · Zhengzhou · Amman · Shijiazhuang · Chattogram · Los Angeles · Kunming · Zhongshan · Nanning · Shantou · Yaounde · Yokohama · Ningbo · Busan · Casablanca · Ibadan · Berlin · Dubai · Shiyan · Algiers · Tangshan · Madrid · Changzhou

Time now in countries:

🇦🇷 Argentina | 🇦🇺 Australia | 🇧🇩 Bangladesh | 🇧🇪 Belgium | 🇧🇷 Brazil | 🇨🇦 Canada | 🇨🇳 China | 🇨🇴 Colombia | 🇪🇬 Egypt | 🇪🇹 Ethiopia | 🇫🇷 France | 🇩🇪 Germany | 🇮🇳 India | 🇮🇩 Indonesia | 🇮🇷 Iran | 🇮🇹 Italy | 🇯🇵 Japan | 🇲🇾 Malaysia | 🇲🇽 Mexico | 🇳🇱 Netherlands | 🇳🇬 Nigeria | 🇵🇰 Pakistan | 🇵🇭 Philippines | 🇵🇱 Poland | 🇷🇴 Romania | 🇷🇺 Russia | 🇸🇦 Saudi Arabia | 🇸🇬 Singapore | 🇿🇦 South Africa | 🇰🇷 South Korea | 🇪🇸 Spain | 🇸🇪 Sweden | 🇨🇭 Switzerland | 🇹🇼 Taiwan | 🇹🇭 Thailand | 🇺🇦 Ukraine | 🇬🇧 United Kingdom | 🇺🇸 United States | 🇻🇳 Vietnam |

Time now in time zones:

UTC | GMT | CET | PST | MST | CST | EST | EET | IST | China (CST) | JST | AEST | SAST | MSK | NZST |

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