City comparison · time difference and converter
Dubai is 4 hours behind Chengdu right now. Chengdu sits in China on Shanghai; Dubai sits in United Arab Emirates on Dubai. They are roughly 4,795 km apart (2,979 mi), a flight of about 6h 38m. Chengdu's metro holds around 13.6 million people; Dubai's around 3.5 million.
Slot 1
13:00 / 09:00
Chengdu / Dubai
Both inside business hoursSlot 2
14:00 / 10:00
Chengdu / Dubai
Both inside business hoursSlot 3
15:00 / 11:00
Chengdu / Dubai
Both inside business hoursEach row is one hour in Chengdu. 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
Chengdu, China · 端午节
Fri, Jun 19
Great-circle distance
4,795 km
(2,979 mi)
Approximate flight
6h 38m
850 km/h cruise + 1h taxi/climb/descent
Jet lag
4h
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 Chengdu and Dubai is not really a number, it's a daily rhythm. Dubai is 4 hours behind Chengdu on the clock today, but the lived version is that Chengdu is ahead in the calendar, so by the time Dubai comes online, half of Chengdu's day is already gone. That gap, more than the raw offset, is what teams have to design around.
In Chengdu, the working day picks up earliest in the financial districts — Chengdu's downtown core wakes early and breaks for lunch at the usual hour. The mood in Dubai is its own story: Dubai 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. China either observes DST or holds a fixed offset year-round; United Arab Emirates either follows its region's DST pattern or stays put all year. When the two changes are weeks apart, the offset between Chengdu and Dubai 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 6h 38m 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.