To learn more about the 2015 Leap Second:
The International Earth Rotation Service and Reference Systems and the Paris observatory! Yes, it does have a nice SF-ish ring to its name!
The Leap Second home page.
More about Universal and coordinated universal time. International second
And for the “bug”, the network time protocol for clock synchronization between computer systems.
And to look up the time anywhere, (one of the atomic time websites!) and to look up in Eastern Time.
Happy July!
Echoes of a Sunday artist 