EST to KST Converter & Meeting Planner
Quick answer: 9:00 AM EST = 11:00 PM KST (fixed -05:00 standard offset — not DST-adjusted). Use the interactive converter below for DST-aware local-time scheduling.
Planning a call or meeting between Eastern Standard Time (EST) and Korea Standard Time (KST)? You need to account for the standard time difference. Korea Standard Time is normally 14 hours ahead of Eastern Standard Time. Whether you are coordinating between teams in New York and Toronto and Seoul and Busan, our live tool has you covered. Use our interactive overlap studio below to find the perfect waking hours for both regions, taking into account any seasonal Daylight Saving Time (DST) changes.
24-Hour Conversion Table
Quick reference: 12:00 AM EST = 2:00 PM KST. The full 24-hour EST to KST table below uses fixed standard offsets for exact abbreviation searches.
Example: 3:00 PM EST = 5:00 AM KST (+1 day).
| EST Time | KST Time |
|---|---|
| 12:00 AM (00:00) | 2:00 PM (14:00) |
| 1:00 AM (01:00) | 3:00 PM (15:00) |
| 2:00 AM (02:00) | 4:00 PM (16:00) |
| 3:00 AM (03:00) | 5:00 PM (17:00) |
| 4:00 AM (04:00) | 6:00 PM (18:00) |
| 5:00 AM (05:00) | 7:00 PM (19:00) |
| 6:00 AM (06:00) | 8:00 PM (20:00) |
| 7:00 AM (07:00) | 9:00 PM (21:00) |
| 8:00 AM (08:00) | 10:00 PM (22:00) |
| 9:00 AM (09:00) | 11:00 PM (23:00) |
| 10:00 AM (10:00) | 12:00 AM (00:00)+1 day |
| 11:00 AM (11:00) | 1:00 AM (01:00)+1 day |
| 12:00 PM (12:00) | 2:00 AM (02:00)+1 day |
| 1:00 PM (13:00) | 3:00 AM (03:00)+1 day |
| 2:00 PM (14:00) | 4:00 AM (04:00)+1 day |
| 3:00 PM (15:00) | 5:00 AM (05:00)+1 day |
| 4:00 PM (16:00) | 6:00 AM (06:00)+1 day |
| 5:00 PM (17:00) | 7:00 AM (07:00)+1 day |
| 6:00 PM (18:00) | 8:00 AM (08:00)+1 day |
| 7:00 PM (19:00) | 9:00 AM (09:00)+1 day |
| 8:00 PM (20:00) | 10:00 AM (10:00)+1 day |
| 9:00 PM (21:00) | 11:00 AM (11:00)+1 day |
| 10:00 PM (22:00) | 12:00 PM (12:00)+1 day |
| 11:00 PM (23:00) | 1:00 PM (13:00)+1 day |
Best time to call Seoul from New York
For most work calls, compare the normal business day in New York (EST) with the business day in Seoul (KST). EST commonly covers North America, Caribbean, Central America, while KST is mainly associated with East Asia.
⚠️ Note: 2026-07-05 is not a normal workday in one or both regions based on their configured calendar. The overlap below should be treated as a reference, not a guaranteed office-hours window.
⚠️ There is no clean same-day business-hours overlap on 2026-07-05. A practical compromise is around 8:00 PM EST, which reaches 9:00 AM KST near the start of their workday.
- DST Safety: EST or KST may shift during Daylight Saving Time. Always confirm the converted time for your specific date.
- NYSE & NASDAQ: 09:30-16:00 local time in New York.
- Korea Exchange (KRX): 09:00-15:30 local time in Seoul.
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Frequently Asked Questions
What is the time difference between EST and KST?
During standard time, Korea Standard Time is 14 hours ahead of Eastern Standard Time.
Is EST the same as Eastern Time (ET)?
Not exactly. 'Eastern Time' (ET) is a broad geographical term. EST is the specific UTC-05:00 offset used in winter, while EDT (Eastern Daylight Time) is the UTC-04:00 offset used during summer.
Does Florida use EST?
Most of Florida is in the Eastern Time Zone. However, the western part of the Florida Panhandle operates on Central Time (CST/CDT).
Does South Korea observe Daylight Saving Time?
South Korea does not observe Daylight Saving Time and has not done so since 1988, when DST was discontinued following the Seoul Summer Olympics. KST remains fixed at UTC+9:00 every day of the year, meaning the offset between Seoul and any DST-observing country shifts by one hour twice annually when those countries change their clocks.
Are KST and JST the same?
Yes, Korea Standard Time (KST) and Japan Standard Time (JST) share the identical UTC+9:00 offset, and neither country observes Daylight Saving Time. Seoul and Tokyo run on exactly the same clock year-round, which directly supports the deep semiconductor, automotive, and consumer electronics supply chain integration between the two economies.