Comment by wodenokoto
4 days ago
Is my understanding correct that they maintain a time called UT1, which is basically UTC if it continued to have leap seconds?
4 days ago
Is my understanding correct that they maintain a time called UT1, which is basically UTC if it continued to have leap seconds?
In simple terms UT1 is the time if we let seconds be defined by the earth's rotation. UTC was kept in sync with this rotation by introducing leap seconds, while still adhering to the stable ticking of TAI (cesium clocks).
From now on UTC will in practice be TAI but with a constant offset (=all previous leap seconds).