Current Time in Seongnam-si, South Korea
View Seongnam-si’s live clock in KST (UTC+9), see that South Korea does not observe DST, and compare local time worldwide.
Seongnam-si Time Details
See the current local time in Seongnam-si, South Korea, using Asia/Seoul. This page shows KST at UTC+9 and confirms there is no daylight saving time.
DST Schedule and Changes
Check whether Seongnam-si changes clocks for daylight saving time and view exact spring-forward or fall-back dates when applicable. For South Korea, the page reflects the current no-DST schedule and historical timezone rules.
Compare and Plan Meetings
Compare Seongnam-si time with other cities in a visual hour-by-hour grid. Export meeting times to ICS, Google Calendar, or Gmail to schedule across time zones.
How to Check Current Time in Seongnam-si, South Korea
Open the Seongnam-si page: Go to
https://www.xconvert.com/time-converter/south-korea/seongnam-sito see Seongnam-si, South Korea preloaded in the comparison grid. This page is useful when you need to coordinate with a Korean office, schedule a remote engineering handoff, or plan a trip into the Seoul Capital Area.Add comparison cities: Click + Add City and search for places like New York, London, or Tokyo to compare business hours across finance, software, and international travel routes. These cities are especially useful if you work with U.S. clients, UK partners, or teams already operating on Asia-Pacific schedules.
Select a time range on the grid: Drag across the 24-hour timeline to highlight a meeting window in purple, then adjust the handles to fine-tune the start and end time. For example, selecting a morning block in Seongnam-si helps you see whether it lands in workable hours for New York or London, which is critical for customer calls, product demos, and cross-border support shifts.
Export and share the result: Once a range is selected, use ICS download, Google Calendar, Gmail, Copy to clipboard, or Share link to distribute the schedule. This is especially helpful for distributed teams in South Korea and abroad because everyone can import the same meeting window into their own calendar system without manually converting times.
About Seongnam-si Time Zone
Seongnam-si, South Korea uses Asia/Seoul, which runs on UTC+9 throughout the year. That makes it part of Korea Standard Time, the same clock used across South Korea for government, manufacturing, technology, logistics, and daily business operations in the Seoul metropolitan region.
Seongnam-si does not observe daylight saving time, so its offset stays fixed at UTC+9 in every season. That consistency is useful for long-term planning because meetings, shipping cutoffs, and production schedules do not shift between winter and summer, unlike cities in North America or Europe that change clocks seasonally.
Geographically, Seongnam-si sits in Gyeonggi Province within the greater Seoul area, making it closely connected to the capital’s business and transport networks. For international coordination, it aligns exactly with Tokyo and stays 2 hours ahead of Sydney in standard time, while remaining 9 hours ahead of London and 14 hours ahead of New York.
Seongnam-si City Details
Seongnam-si in South Korea has a population of 1,031,935, making it one of the major urban centers in the Seoul Capital Area. With coordinates at 37.43861°, 127.13778°, it sits in a dense, highly connected part of the country where commuting, enterprise services, and technology-driven work are common.
The local currency is KRW, which is essential for travel budgeting, hotel stays, restaurant payments, and domestic purchasing in South Korea. The country dialing code is +82, which matters when arranging calls with local businesses, confirming reservations, or contacting offices in Seongnam-si from abroad.
Time Differences from Seongnam-si
In standard time, Seongnam-si is 14 hours ahead of New York, 9 hours ahead of London, the same time as Tokyo, 2 hours behind Sydney, and 5 hours ahead of Dubai. These offsets are especially important for teams handling software releases, financial market coordination, airline itineraries, and customer support across multiple regions.
If it is 9:00 AM in Seongnam-si, it is 7:00 PM in New York, 12:00 AM in London, 9:00 AM in Tokyo, 11:00 AM in Sydney, and 4:00 AM in Dubai. That means a morning meeting in Seongnam-si is workable for Tokyo, late evening for New York, and overnight for London, so choosing the right slot depends heavily on which region needs to join live.
For a 3:00 PM meeting in Seongnam-si, the equivalent is 1:00 AM in New York, 6:00 AM in London, 3:00 PM in Tokyo, 5:00 PM in Sydney, and 10:00 AM in Dubai. This is a practical example for planning executive calls, vendor syncs, and travel check-ins because it shows why afternoon in South Korea often favors Asia-Pacific partners more than North American teams.
Frequently Asked Questions
What time zone is Seongnam-si in?
Seongnam-si, South Korea is in Asia/Seoul, which uses UTC+9. This is the same time zone used throughout South Korea, so meetings and business hours in Seongnam-si follow the national standard rather than a local city-specific offset.
Does Seongnam-si observe daylight saving time?
No, Seongnam-si in South Korea does not observe daylight saving time. The city stays on UTC+9 all year, which makes scheduling simpler for long-term projects, recurring meetings, and travel planning because the clock does not shift seasonally.
What is the time difference between Seongnam-si and New York?
Seongnam-si is 14 hours ahead of New York in standard time. If it is 9:00 AM in Seongnam-si, it is 7:00 PM in New York, which usually means a morning meeting in South Korea becomes an evening call for U.S. East Coast teams.
What is the best time to call Seongnam-si from the US or UK?
For the US, the most workable overlap is usually late evening in New York or earlier in the day for West Coast teams, because Seongnam-si is far ahead at UTC+9. For the UK, early morning in London can align with afternoon in Seongnam-si, which is often better for business calls, vendor meetings, and support handoffs.
What is the UTC offset for Seongnam-si?
Seongnam-si uses UTC+9. Because it does not observe daylight saving time, that offset remains stable throughout the year, which is helpful for recurring international meetings and logistics planning.
What currency does Seongnam-si use?
Seongnam-si uses the KRW, the South Korean won. This matters for everyday expenses such as taxis, meals, hotels, and shopping, especially for visitors flying into the Seoul area for business or tourism.
Is Seongnam-si the same time as Tokyo?
Yes, Seongnam-si and Tokyo are on the same time in standard time. Both use UTC+9, so a meeting scheduled for 10:00 AM in Seongnam-si will also be 10:00 AM in Tokyo, which is convenient for cross-border coordination between South Korea and Japan.