City comparison · time difference and converter
Cairo vs Haiphong time difference and converter
Haiphong is 5 hours ahead of Cairo right now. Cairo sits in Egypt on Cairo; Haiphong sits in Vietnam on Bangkok. They are roughly 7,513 km apart (4,668 mi), a flight of about 9h 50m. Cairo's metro holds around 21.7 million people; Haiphong's around 2.6 million.
Cairo
Haiphong
Best meeting times today
Open converter →Slot 1
09:00 / 14:00
Cairo / Haiphong
Both inside business hoursSlot 2
10:00 / 15:00
Cairo / Haiphong
Both inside business hoursSlot 3
11:00 / 16:00
Cairo / Haiphong
Both inside business hours24-hour comparison heatmap
Each row is one hour in Cairo. 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
No public holidays in Egypt or Vietnam this month.
Travel context
Great-circle distance
7,513 km
(4,668 mi)
Approximate flight
9h 50m
850 km/h cruise + 1h taxi/climb/descent
Jet lag
5h
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 Cairo and Haiphong
The difference between Cairo and Haiphong is not really a number, it's a daily rhythm. Haiphong is 5 hours ahead of Cairo on the clock today, but the lived version is that Haiphong is wrapping up the working day while Cairo 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 Cairo, the working day picks up earliest in the financial districts- Cairo's downtown core wakes early and breaks for lunch at the usual hour. The mood in Haiphong is its own story: Haiphong 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. Egypt either observes DST or holds a fixed offset year-round; Vietnam either follows its region's DST pattern or stays put all year. When the two changes are weeks apart, the offset between Cairo and Haiphong 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 9h 50m 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 5-hour gap costs about 5 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.