City comparison · time difference and converter
Gwangju vs New York time difference and converter
New York is 14 hours behind Gwangju right now. Gwangju sits in South Korea on Seoul; New York sits in United States on New York. They are roughly 11,312 km apart (7,029 mi), a flight of about 14h 18m. Gwangju's metro holds around 1.4 million people; New York's around 19.5 million.
Gwangju
New York
Best meeting times today
Open converter →Slot 1
00:00 / 10:00
Gwangju / New York
Partial overlapSlot 2
01:00 / 11:00
Gwangju / New York
Partial overlapSlot 3
02:00 / 12:00
Gwangju / New York
Partial overlap24-hour comparison heatmap
Each row is one hour in Gwangju. Green rows are inside business hours in both cities; amber means only one side is at their desk; grey rows fall outside business hours in both.
Public holidays in November 2026
Veterans Day
New York, United States
Wed, Nov 11
Thanksgiving Day
New York, United States
Thu, Nov 26
Travel context
Great-circle distance
11,312 km
(7,029 mi)
Approximate flight
14h 18m
850 km/h cruise + 1h taxi/climb/descent
Jet lag
14h
Roughly 1 day to adjust per timezone crossed
Convert any specific time
The heatmap gives you the shape of the day. If you need to convert one specific hour, say a customer call or a release window, open the converter with both cities already loaded.
Open in converter →Frequently asked questions
Working between Gwangju and New York
The difference between Gwangju and New York is not really a number, it's a daily rhythm. New York is 14 hours behind Gwangju on the clock today, but the lived version is that Gwangju is ahead in the calendar, so by the time New York comes online, half of Gwangju's day is already gone. That gap, more than the raw offset, is what teams have to design around.
In Gwangju, the working day picks up earliest in the financial districts- Gwangju's downtown core wakes early and breaks for lunch at the usual hour. The mood in New York is its own story: Midtown subways are jammed by 08:30 and the bars near Bryant Park spill out at 18:00. If you are scheduling between the two, the heatmap above marks the rows where both patterns line up.
Daylight saving is the other thing to keep an eye on. South Korea either observes DST or holds a fixed offset year-round; United States shifts on the second Sunday of March and the first Sunday of November. When the two changes are weeks apart, the offset between Gwangju and New York is one hour off the usual for that stretch, a cliff that catches recurring calendar invites unless your calendar app rebases them automatically. Pin the meeting to a city, not an offset, and the tool handles the rest.
For travellers, the 14h 18m flight is the short version of the story. The longer one is jet lag: roughly one day of adjustment per timezone crossed, which means a trip across the 14-hour gap costs about 14 groggy days on each side. Pilots and cabin crew swear by morning sunlight and an early walk; whatever your routine, the wall-clock numbers above are the source of truth for your first morning in the new city.