Last Minute Of June To Have 61 Seconds

The last minute of this June will have 61 seconds in it, as an extra “leap second” is added to the official time set by atomic clocks, after a gap of three years. The mean solar day – the average length of a day, based on how long it takes Earth to rotate – is about 86,400.002 seconds long. As Earth’s rotation gradually slows down due to gravitational forces and other influences, atomic time (UTC