City comparison · time difference and converter
Oslo is 6 hours ahead of New York right now. New York sits in United States on New York; Oslo sits in Norway on Oslo. They are roughly 5,915 km apart (3,675 mi), a flight of about 7h 58m. New York's metro holds around 19.5 million people; Oslo's around 1.0 million.
Slot 1
09:00 / 15:00
New York / Oslo
Both inside business hoursSlot 2
10:00 / 16:00
New York / Oslo
Both inside business hoursSlot 3
03:00 / 09:00
New York / Oslo
Partial overlapEach row is one hour in New York. 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.
Juneteenth
New York, United States
Fri, Jun 19
Great-circle distance
5,915 km
(3,675 mi)
Approximate flight
7h 58m
850 km/h cruise + 1h taxi/climb/descent
Jet lag
6h
Roughly 1 day to adjust per timezone crossed
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 →The difference between New York and Oslo is not really a number, it's a daily rhythm. Oslo is 6 hours ahead of New York on the clock today, but the lived version is that Oslo is wrapping up the working day while New York 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 New York, the working day picks up earliest in the financial districts — Lower Manhattan trading floors hum from 06:30 ahead of the cash open. The mood in Oslo is its own story: Oslo 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. United States shifts the clock on the second Sunday of March and the first Sunday of November; Norway follows the EU calendar (last Sunday of March and October). When the two changes are weeks apart, the offset between New York and Oslo 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 58m 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 6-hour gap costs about 6 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.