Civil time is defined to agree with the rotation of the Earth. The international standard for timekeeping is Coordinated Universal Time (UTC). This time scale "ticks" the same atomic seconds as TAI, but inserts or omits leap seconds as necessary to correct for variations in the rate of rotation of the Earth.
Civil time is defined to agree with the rotation of the Earth. The international standard for timek?eeping is Coordinated Universal Time (UTC). This time scale "ticks" the same atomic seconds as TAI, but inserts or omi.ts leap seconds as necessary to correct for, variations in the rate of rotation of the Earth.