Time Difference Between Jacksonville and Seoul

The time difference between Jacksonville and Seoul is 14 hours. When it is 12:00 noon in Jacksonville, it is 02:00 in Seoul. Jacksonville uses the America/New_York time zone (UTC-5), while Seoul uses Asia/Seoul (UTC+9).

Seoul is 14 hours ahead of Jacksonville — 14 hours
Jacksonville, United States
11:09:13
Saturday, November 7, 2026
UTC-5 · EST
↔
Seoul, South Korea
01:09:13
Sunday, November 8, 2026
UTC+9 · KST

Time Zone Details: Jacksonville vs Seoul

Detail Jacksonville Seoul
Time Zone IDAmerica/New_YorkAsia/Seoul
UTC OffsetUTC-5UTC+9
AbbreviationESTKST
DST ActiveNoNo
CountryUnited StatesSouth Korea
RegionNorth AmericaAsia

Best Time to Schedule a Call

With a 14 hours gap, there is no standard business-hours overlap between Jacksonville and Seoul. One party will need to adjust their schedule. Early mornings in Seoul or late evenings in Jacksonville tend to be the most practical compromise.

Hour-by-Hour Time Conversion

Use this table to quickly convert any hour from Jacksonville time to Seoul time. Rows highlighted in green indicate overlapping business hours in both cities.

Jacksonville Seoul
00:00 14:00 Night
01:00 15:00 Night
02:00 16:00 Night
03:00 17:00 Night
04:00 18:00 Night
05:00 19:00 Night
06:00 20:00
07:00 21:00
08:00 22:00
09:00 23:00
10:00 00:00 (+1 day)
11:00 01:00 (+1 day)
12:00 02:00 (+1 day)
13:00 03:00 (+1 day)
14:00 04:00 (+1 day)
15:00 05:00 (+1 day)
16:00 06:00 (+1 day)
17:00 07:00 (+1 day)
18:00 08:00 (+1 day)
19:00 09:00 (+1 day)
20:00 10:00 (+1 day)
21:00 11:00 (+1 day)
22:00 12:00 (+1 day) Night
23:00 13:00 (+1 day) Night

Daylight Saving Time (DST) Impact

Neither Jacksonville nor Seoul is currently observing daylight saving time. If either city observes DST, the time difference will change by 1 hour when DST begins or ends. Always double-check before scheduling across these time zones during March–April and October–November.

Practical Tips for Jacksonville–Seoul Scheduling

Compare Jacksonville and Seoul with Other Cities

From Jacksonville

From Seoul

Frequently Asked Questions

What is the time difference between Jacksonville and Seoul?

The time difference is 14 hours. Seoul is 14 hours ahead of Jacksonville.

Does the time difference change during the year?

It can. If either Jacksonville or Seoul observes daylight saving time, the gap will shift by 1 hour during the transition periods (typically March–April and October–November).

When is the best time to call from Jacksonville to Seoul?

There is no ideal window during standard business hours. Consider scheduling at the edges — early morning for the city that is ahead and late afternoon for the city that is behind.

How do I convert Jacksonville time to Seoul time?

Add 14 hours to Jacksonville time to get Seoul time. Use the hour-by-hour table above for a quick reference.

Related Pages

For sunrise and sunset data, visit TheSunsetTimes.com. For detailed DST schedules, see DaylightSavingTime.info.