Current Time in Seongnam-si, South Korea
KST (UTC+9) in Seongnam-si, South Korea—see the live clock, timezone name, and how it compares with cities worldwide.
Seongnam-si Time Details
View the current local time in Seongnam-si, the Asia/Seoul timezone, and its fixed UTC+9 offset. South Korea does not observe daylight saving time, so the clock stays consistent year-round.
DST Schedule and Changes
Check daylight saving time status and exact clock-change dates for this location when applicable. For Seongnam-si, the page shows that no spring-forward or fall-back changes occur under Asia/Seoul.
Compare and Plan Meetings
Compare Seongnam-si time with other cities using the hour-by-hour grid to find the best overlap. Export meetings to Google Calendar, Gmail, or download an ICS file for easy scheduling.
How to Check Current Time in Seongnam-si, South Korea
Open the Seongnam-si time page: Go to https://www.xconvert.com/time-converter/south-korea/seongnam-si to see Seongnam-si, South Korea already loaded in the comparison grid. This is useful when you need a fast reference for a meeting with a client in Pangyo Techno Valley, a remote engineering handoff, or travel planning around Seoul’s metro area.
Add the cities you need to compare: Click + Add City and search for cities such as New York, London, Tokyo, Sydney, or Dubai, depending on whether you are coordinating finance calls, software releases, or cross-border travel. For example, New York is useful for U.S. business teams, London for Europe-facing sales, Tokyo for Japan-based partners, and Sydney for APAC collaboration.
Select a time range on the grid: Drag across the 24-hour timeline to highlight a window in purple, then adjust it with the left and right handles if you need a tighter meeting slot. If you drag 9:00 AM to 11:00 AM in Seongnam-si, South Korea, you can immediately compare that window against other cities and avoid scheduling a call that lands in the middle of the night for a U.S. team.
Export the schedule for your team: Once a range is selected, use ICS download, Google Calendar, Gmail, Copy to clipboard, or Share link to distribute the meeting time. This is especially useful for distributed teams in Korea, the U.S., and Europe because everyone can import the same slot into their own calendar without manual conversion.
About Seongnam-si Time Zone
Seongnam-si, South Korea uses Asia/Seoul as its IANA time zone, and the city stays on UTC+9 all year. There is no daylight saving time in Seongnam-si, South Korea, so the local clock does not shift between winter and summer. That makes scheduling simpler for companies with offices in the Seoul Capital Area, especially in technology, manufacturing, gaming, and semiconductor-related work that often coordinates with overseas teams.
Because Seongnam-si, South Korea is fixed at UTC+9, it lines up cleanly with nearby East Asian business centers and stays stable against other Korean locations. It shares the same local time as Tokyo in both January and July, which is helpful for Japan–Korea business travel, regional product launches, and same-day coordination across East Asia. Compared with cities farther west such as London or New York, the time gap changes with the season, so meeting planners should always confirm whether they are scheduling in January or July.
Seongnam-si, South Korea is part of Gyeonggi Province and sits just south of Seoul in the Seoul metropolitan area, which makes it a major commuter and business city. Its location near Seoul’s finance, retail, and international transport networks means time coordination often matters for airport transfers, supplier calls, and regional headquarters operations. The city’s fixed UTC+9 offset is especially practical for teams that need predictable office-hour overlap with Tokyo and other Asia-Pacific markets.
Seongnam-si City Details
Seongnam-si, South Korea has a population of 1,031,935, making it one of the largest cities in the Seoul Capital Area. Its coordinates are 37.43861°, 127.13778°, placing it in the northern part of South Korea’s most densely connected urban region. The local currency is the KRW, and the country dialing code is +82, which is important for business contacts, hotel bookings, and travel coordination.
The city’s scale and location make it relevant for international companies that work with Korean headquarters, research centers, and software teams. When arranging calls or travel, the combination of a large population, metro-area connectivity, and proximity to Seoul means Seongnam-si, South Korea often functions as part of the same business day as the capital while still serving its own major commercial districts.
Time Differences from Seongnam-si
In January, Seongnam-si, South Korea (UTC+9) is 14 hours ahead of New York (UTC-5): when it is 9:00 AM in Seongnam-si, it is 7:00 PM the previous day in New York. In July, Seongnam-si, South Korea (UTC+9) is 13 hours ahead of New York (UTC-4): when it is 9:00 AM in Seongnam-si, it is 8:00 PM the previous day in New York. This seasonal change matters for U.S. teams in finance, SaaS support, and product operations because a morning meeting in Korea can fall on the previous evening in New York.
In January, Seongnam-si, South Korea (UTC+9) is 9 hours ahead of London (UTC+0): when it is 9:00 AM in Seongnam-si, it is 12:00 AM in London. In July, Seongnam-si, South Korea (UTC+9) is 8 hours ahead of London (UTC+1): when it is 9:00 AM in Seongnam-si, it is 1:00 AM in London. That means a standard Korean business morning is usually too early for London unless the meeting is moved later in Seongnam-si’s afternoon.
In January, Seongnam-si, South Korea (UTC+9) and Tokyo (UTC+9) share the same local time. In July, Seongnam-si, South Korea (UTC+9) and Tokyo (UTC+9) share the same local time. This makes Korea–Japan coordination straightforward for regional sales calls, logistics planning, and media or gaming launches that need synchronized announcements.
In January, Seongnam-si, South Korea (UTC+9) is 2 hours behind Sydney (UTC+11): when it is 9:00 AM in Seongnam-si, it is 11:00 AM in Sydney. In July, Seongnam-si, South Korea (UTC+9) is 1 hour behind Sydney (UTC+10): when it is 9:00 AM in Seongnam-si, it is 10:00 AM in Sydney. This is useful for APAC teams because a Korean morning call still lands in Sydney business hours, especially for regional project management and customer support coordination.
In January, Seongnam-si, South Korea (UTC+9) is 5 hours ahead of Dubai (UTC+4): when it is 9:00 AM in Seongnam-si, it is 4:00 AM in Dubai. In July, Seongnam-si, South Korea (UTC+9) is 5 hours ahead of Dubai (UTC+4): when it is 9:00 AM in Seongnam-si, it is 4:00 AM in Dubai. For trade, aviation, and logistics teams, that fixed gap is helpful because the Korea–Dubai difference does not change with the season.
Frequently Asked Questions
What time zone is Seongnam-si in?
Seongnam-si, South Korea is in Asia/Seoul. The city uses UTC+9 all year, which keeps local scheduling stable for businesses, schools, and travel itineraries across the Seoul metropolitan area.
Does Seongnam-si observe daylight saving time?
No, Seongnam-si, South Korea does not observe daylight saving time. The clock stays on UTC+9 throughout the year, so there is no seasonal shift to remember when planning recurring meetings or flights.
What is the UTC offset for Seongnam-si?
The UTC offset for Seongnam-si, South Korea is UTC+9 all year. That fixed offset is especially convenient for teams working with Tokyo and other East Asian markets, because the local time does not change seasonally.
What is the time difference between Seongnam-si and New York?
In January, Seongnam-si, South Korea is 14 hours ahead of New York; when it is 9:00 AM in Seongnam-si, it is 7:00 PM the previous day in New York. In July, Seongnam-si is 13 hours ahead of New York; when it is 9:00 AM in Seongnam-si, it is 8:00 PM the previous day in New York. This difference is important for U.S. business calls because a Korean morning often lands in a New York evening.
What is the best time to call Seongnam-si from the US or UK?
For the US, late evening in New York is often the closest practical overlap with business hours in Seongnam-si, South Korea, especially in January when the gap is 14 hours. For the UK, the overlap is even tighter because London is 9 hours behind Seongnam-si in January and 8 hours behind in July, so a late afternoon or evening call in Korea often lands overnight in London.
What currency does Seongnam-si use?
Seongnam-si, South Korea uses the KRW, which is the South Korean won. That matters for travel expenses, hotel payments, local transport, and business invoicing when you are working with companies in the Seoul Capital Area.
Is Seongnam-si the same time as Tokyo?
Yes, Seongnam-si, South Korea and Tokyo share the same local time in both January and July. Both use UTC+9, so scheduling across Korea and Japan is straightforward for regional teams, product launches, and cross-border meetings.