City comparison · time difference and converter
Wuhan is 1 hour behind Tokyo right now. Tokyo sits in Japan on Tokyo; Wuhan sits in China on Shanghai. They are roughly 2,423 km apart (1,506 mi), a flight of about 3h 51m. Tokyo's metro holds around 37.4 million people; Wuhan's around 10.4 million.
Slot 1
10:00 / 09:00
Tokyo / Wuhan
Both inside business hoursSlot 2
11:00 / 10:00
Tokyo / Wuhan
Both inside business hoursSlot 3
12:00 / 11:00
Tokyo / Wuhan
Both inside business hoursEach row is one hour in Tokyo. 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.
Dragon Boat Festival
Wuhan, China · 端午节
Fri, Jun 19
Great-circle distance
2,423 km
(1,506 mi)
Approximate flight
3h 51m
850 km/h cruise + 1h taxi/climb/descent
Jet lag
1h
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 Tokyo and Wuhan is not really a number, it's a daily rhythm. Wuhan is 1 hour behind Tokyo on the clock today, but the lived version is that Tokyo is ahead in the calendar, so by the time Wuhan comes online, half of Tokyo's day is already gone. That gap, more than the raw offset, is what teams have to design around.
In Tokyo, the working day picks up earliest in the financial districts — Marunouchi salarymen are in by 08:30 and out around 19:00, often later. The mood in Wuhan is its own story: Wuhan 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. Japan either observes DST or holds a fixed offset year-round; China either follows its region's DST pattern or stays put all year. When the two changes are weeks apart, the offset between Tokyo and Wuhan 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 3h 51m 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 1-hour gap costs about 1 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.