Current Time in Sejong, South Korea 🇰🇷
The current local time in Sejong, South Korea is 20:23:02 (KST) on Tuesday, 30 June 2026. Sejong is not currently observing daylight saving time. The city has a population of about 351,007. The sun rises at about 05:15 and sets at 19:53 today (14h 38m of daylight).
- Sunrise 05:15
- Sunset 19:53
- 14h 38m daylight
Time zone & daylight saving in Sejong
Sejong, South Korea keeps KST (UTC+09:00). Sejong does not change its clocks for daylight saving, so its offset from UTC stays the same all year.
Today the sun rises at about 05:15 and sets at about 19:53 local time, giving Sejong 14h 38m of daylight.
Right now it is 20:23 on Tuesday in Sejong (UTC+09:00). When it is 20:23 here, it is 07:23 in New York (13h behind), so a quick look at the world clock beats doing the math in your head before a call.
Need a reminder on Sejong time rather than your own clock? A browser alarm handles that as long as the tab stays open and the device is awake - here is how an online alarm clock works.
Quick scheduling notes for Sejong
- Use the Asia/Seoul IANA zone when you need the exact rule set for software, calendars, or travel planning.
- Daylight saving is not active now, but it can still affect future dates in some places.
- For a future call, use the time zone converter and then set a matching online alarm.
Time difference from Sejong to major cities
| City | Current time | Difference |
|---|---|---|
| New York | 07:23 Tue | 13h behind |
| Los Angeles | 04:23 Tue | 16h behind |
| London | 12:23 Tue | 8h behind |
| Paris | 13:23 Tue | 7h behind |
| Dubai | 15:23 Tue | 5h behind |
| Mumbai | 16:53 Tue | 3.5h behind |
| Singapore | 19:23 Tue | 1h behind |
| Tokyo | 20:23 Tue | same time |
| Sydney | 21:23 Tue | 1h ahead |
Best next checks from Sejong
Compare Sejong with nearby business hubs, then follow the city links above for live local clocks. You can also browse more time pages for South Korea.
Business-hours overlap from Sejong
For a normal business-hours call, 16:00-17:00 in Sejong overlaps with 09:00-10:00 in Paris.
| Compare with | Sejong time | Other city time | Overlap |
|---|---|---|---|
| New York | - | - | No standard 09:00-17:00 overlap |
| Los Angeles | - | - | No standard 09:00-17:00 overlap |
| London | - | - | No standard 09:00-17:00 overlap |
| Paris | 16:00-17:00 | 09:00-10:00 | 1 hour |
| Dubai | 14:00-17:00 | 09:00-12:00 | 3 hours |
| Mumbai | 12:30-17:00 | 09:00-13:30 | 4.5 hours |
Simple meeting rule
Pick a slot that lands inside both workdays, then confirm the date again if the meeting is near a daylight saving change.
Sejong time - Frequently asked questions
What time zone is Sejong in?
Sejong uses KST (UTC+09:00). It stays on the same UTC offset all year, with no daylight saving changes.
Does Sejong observe daylight saving time?
No - Sejong keeps the same time offset throughout the year.
What time are sunrise and sunset in Sejong today?
Today the sun rises around 05:15 and sets around 19:53 in Sejong, about 14h 38m of daylight.
What is the time difference between Sejong and other cities?
When it is 20:23 in Sejong, it is 07:23 in New York (13h behind). See the table above for Sejong's difference from other major cities.
How Alarm.now calculates time in Sejong
Live clock source
The clock uses the current time with the Asia/Seoul IANA time zone, then updates in your browser every second. Country context comes from the South Korea time page.
Local entity signals for Sejong
These facts help separate this city page from a generic clock page: the place, country, coordinates, time-zone rule set, and daylight context are all tied to Sejong.
| Country | South Korea |
|---|---|
| IANA zone | Asia/Seoul (UTC+09:00) |
| Coordinates | 36.59, 127.29 |
| Population signal | About 351,007 people |
| Today's daylight | Sunrise 05:15, sunset 19:53, 14h 38m total daylight |
Best internal links from this city
Start with this live city clock, then move to the exact Asia/Seoul time-zone page for rules, the South Korea country page for nearby cities, and the time zone converter for future dates.
Future-date checks
For future meetings, compare the city time with the time zone converter because daylight saving changes can shift the offset on a later date.
Lat/Long: 36.59° N, 127.29° E
Population: 351,007
Country: 🇰🇷 South Korea
Timezone: KST
Daylight Saving Time: No ❌
Standard Timezone Abbreviations used in South Korea: KST