Leap Second 2016 - watch it happen on Time.is!

Most clocks will just ignore the leap second, but Time.is counts all the way up to 60 seconds!

What time will the leap second occur?

The leap second does not occur on December 31 everywhere! The date and time depends on your time zone. In Gasht-e Bāgh the leap second will occur at 03:29AM:60 on Sunday, January 1, 2017. To find out what time the leap second will occur in other locations, use the search box above.

Remember to set your clock one second back after the leap second!

Time remaining: