QT QT Early Warning System December 30, 2016 No Comments The Sub-Bureau for Rapid Service and Predictions of Earth Orientation of the International Earth Rotation Service has announced there will be a leap second added to civil time at midnight December 31. Plan accordingly. Previous Post Next Post You may also like December 17, 2019 8 days until Christmas February 7, 2017 The shining locker-room upon a hill April 14, 2017 Breaking news. . . .