Current Time in Seongnam-si, South Korea

View the live local time, time zone details, current weather, and sunrise and sunset information for Seongnam-si.

Live Clock in Seongnam-si

UTC +09:00
No DST

Time Zone and City Information

Time Zone: Asia/Seoul

Country: South Korea South Korea Flag

Continent: Asia

Currency: Won (KRW)

Languages: Korean

Phone Prefix: 82

Latitude: 37.43861°N

Longitude: 127.13778°E

Current Weather in Seongnam-si

Condition: Weather icon Partly cloudy

Temperature: 20°C (68°F)

min: 15°C (59°F) - max: 22°C (72°F)

Pressure: 1013 hPa

Humidity: 65%

Wind: 10 km/h

Sunrise: 06:30 AM

Sunset: 06:30 PM

Forecast for Seongnam-si

2026-07-19 (Tomorrow)

Condition: Weather icon Sunny

Max Temperature: 22°C (72°F)

Min Temperature: 15°C (59°F)

Pressure: 1013 hPa

Humidity: 60%

Wind: 12 km/h

Sunrise: 06:30 AM

Sunset: 06:30 PM

2026-07-20 (Day After Tomorrow)

Condition: Weather icon Partly cloudy

Max Temperature: 21°C (70°F)

Min Temperature: 14°C (57°F)

Pressure: 1012 hPa

Humidity: 62%

Wind: 11 km/h

Sunrise: 06:30 AM

Sunset: 06:30 PM

Seongnam-si

Seongnam-si is a large city located in Gyeonggi Province, South Korea, situated immediately south of Seoul's city limits. With a population of approximately 940,000 people, Seongnam is one of South Korea's major satellite cities and forms an integral part of the greater Seoul Capital Area. The city is particularly notable as the home of Pangyo, a high-technology and information technology cluster that has emerged as one of South Korea's most important centers for the digital economy, software development, and startup culture.

Seongnam's development as a planned city began in the late 1960s and early 1970s when the South Korean government, faced with overwhelming population growth and informal settlement pressures in Seoul, developed Seongnam as a new town to accommodate displaced and migrating urban residents. The initial development was rapid and somewhat chaotic, but subsequent decades brought planned residential expansion, improved infrastructure, and the development of new districts that transformed Seongnam into a fully functioning city in its own right rather than merely a dormitory suburb.

The Bundang district, developed from the early 1990s as one of South Korea's first planned new towns under the first-generation new town development program, represents the most prosperous and prestigious part of Seongnam. Bundang's well-designed street layout, abundant green space, modern apartment complexes, and excellent amenities have made it one of the most desirable residential areas in the greater Seoul area, attracting affluent professionals and families who work in Seoul or in Pangyo's technology corridor.

Pangyo Technovalley, developed from the 2000s in the Pangyo district of Seongnam, has become South Korea's answer to Silicon Valley. Major Korean technology companies including Kakao, NCSoft, Krafton, and numerous other IT, game development, biotech, and e-commerce companies have their headquarters or major campuses in Pangyo. The concentration of high-tech businesses, startups, and research institutes has created a dynamic innovation ecosystem and a cluster of technology talent that rivals any in northeast Asia.

The Korea National University of Arts, the Korea Advanced Institute of Science and Technology Graduate School of Management, and other specialized institutions contribute to Seongnam's academic character. The city is well connected to Seoul and the broader metropolitan area by multiple metro lines, including the Bundang Line and the Sinbundang Line, which provide fast connections to central Seoul and other key destinations.

Sports and recreation are well provided in Seongnam, with the city maintaining Seongnam Sports Complex and various parks and green spaces. The Tancheon Stream, a pleasant linear greenway running through the city, is popular for walking, cycling, and exercise. The Korea National Horse Affairs Authority racecourse in Bundang is a well-known attraction.

Seongnam-si demonstrates how carefully planned suburban development and deliberate clustering of technology industries can create a city of genuine economic importance and residential quality — a model that has attracted attention from urban planners and economic development professionals around the world.

Time Difference Between Seongnam-si and Other Cities

Compare current time in Seongnam-si with major cities worldwide.
Find the best meeting times and check business hour overlap.

New York

New York <-> Seongnam-si + 13 hours

Working overlap 0h

London

London <-> Seongnam-si + 8 hours

Working overlap 0h

Paris

Paris <-> Seongnam-si + 7 hours

Working overlap 1h

Seongnam-si: 16.00-17.00
Paris: 09.00-10.00

Dubai

Dubai <-> Seongnam-si + 5 hours

Working overlap 3h

Seongnam-si: 14.00-17.00
Dubai: 09.00-12.00

Singapore

Singapore <-> Seongnam-si + 1 hour

Working overlap 7h

Seongnam-si: 10.00-17.00
Singapore: 09.00-16.00

Sydney

Sydney <-> Seongnam-si - 1 hour

Working overlap 7h

Seongnam-si: 09.00-16.00
Sydney: 10.00-17.00

Los Angeles

Los Angeles <-> Seongnam-si + 16 hours

Working overlap 0h

Hong Kong

Hong Kong <-> Seongnam-si + 1 hour

Working overlap 7h

Seongnam-si: 10.00-17.00
Hong Kong: 09.00-16.00

Toronto

Toronto <-> Seongnam-si + 13 hours

Working overlap 0h

Frequently Asked Questions About Time in Seongnam-si

Common questions about the local time, time zone, and daylight saving time in Seongnam-si, South Korea.

The live clock on the Details tab shows the current local time in Seongnam-si.

Seongnam-si is located in the Korea Standard Time (KST) zone. The UTC offset is UTC+9:00 throughout the year.

No. South Korea does not use daylight saving time (DST). The time in Seongnam-si remains UTC+9:00 all year round.

Use the Time Difference tab. Enter any city there and you will see the time difference between that city and Seongnam-si.

Typical office hours in Seongnam-si are:

Monday to Friday
09:00–18:00 KST

Some companies may start earlier or finish later.

Most smartphones automatically switch to the correct local time when connected to a mobile network or when automatic time zone settings are enabled.

Gradually adjusting your sleep schedule before departure, staying hydrated, and spending time in daylight after arrival can help reduce jet lag. For a full routine, see our guide on how to beat jet lag.