skip to content skip to search skip to navigation Listen Live skip to logon
Wednesday 27th July 2016
Max 23°C | Min 17°C

Can you lose a day on the International Date Line?


If you travel east from Greenwich Mean Time and I lose time and you travel west and you gain time, when we meet on the other side of the world, it will still be the same time. How does that work? Does one of us gain or lose a day?
Mike, Bristol


** Definitive **
Name: Robert, Wembley
Qualification: Cabin crew for most of my life - more important than the pilot!
Answer: The International Date Line means that it's possible to fly into yesterday. The date line is around the Easter Islands in the Pacific, about 16-18 hours difference, depending on the time of year. So if you take off in New Zealand and fly to Hawaii, you land yesterday afternoon. So if you have a birthday when you fly, you can extend your birthday by up to 18 hours!