City comparison · time difference and converter
Portland is 10 hours behind Cairo right now. Cairo sits in Egypt on Cairo; Portland sits in United States on Los Angeles. They are roughly 11,210 km apart (6,966 mi), a flight of about 14h 11m. Cairo's metro holds around 21.7 million people; Portland's around 2.5 million.
Slot 1
00:00 / 14:00
Cairo / Portland
Partial overlapSlot 2
01:00 / 15:00
Cairo / Portland
Partial overlapSlot 3
02:00 / 16:00
Cairo / Portland
Partial overlapEach 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.
Juneteenth
Portland, United States
Fri, Jun 19
Great-circle distance
11,210 km
(6,966 mi)
Approximate flight
14h 11m
850 km/h cruise + 1h taxi/climb/descent
Jet lag
10h
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 Cairo and Portland is not really a number, it's a daily rhythm. Portland is 10 hours behind Cairo on the clock today, but the lived version is that Cairo is ahead in the calendar, so by the time Portland comes online, half of Cairo's day is already gone. 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 Portland is its own story: Portland 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; United States shifts on the second Sunday of March and the first Sunday of November. When the two changes are weeks apart, the offset between Cairo and Portland 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 14h 11m 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 10-hour gap costs about 10 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.