City comparison · time difference and converter
Bengaluru vs Seoul time difference and converter
Seoul is 3.5 hours ahead of Bengaluru right now. Bengaluru sits in India on Kolkata; Seoul sits in South Korea on Seoul. They are roughly 5,585 km apart (3,470 mi), a flight of about 7h 34m. Bengaluru's metro holds around 13.6 million people; Seoul's around 25.7 million.
Bengaluru
Seoul
Best meeting times today
Open converter →Slot 1
09:00 / 12:00
Bengaluru / Seoul
Both inside business hoursSlot 2
10:00 / 13:00
Bengaluru / Seoul
Both inside business hoursSlot 3
11:00 / 14:00
Bengaluru / Seoul
Both inside business hours24-hour comparison heatmap
Each row is one hour in Bengaluru. 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
Diwali
Bengaluru, India
Sun, Nov 8
Travel context
Great-circle distance
5,585 km
(3,470 mi)
Approximate flight
7h 34m
850 km/h cruise + 1h taxi/climb/descent
Jet lag
4h
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 Bengaluru and Seoul
The difference between Bengaluru and Seoul is not really a number, it's a daily rhythm. Seoul is 3.5 hours ahead of Bengaluru on the clock today, but the lived version is that Seoul is wrapping up the working day while Bengaluru is still in the morning, and the overlap people actually use is narrow. That gap, more than the raw offset, is what teams have to design around.
In Bengaluru, the working day picks up earliest in the financial districts- Bengaluru's downtown core wakes early and breaks for lunch at the usual hour. The mood in Seoul is its own story: Seoul settles into the evening at the usual hour, with the local commuter pattern setting the pace. 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. India either observes DST or holds a fixed offset year-round; South Korea either follows its region's DST pattern or stays put all year. When the two changes are weeks apart, the offset between Bengaluru and Seoul 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 7h 34m 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 4-hour gap costs about 4 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.