> Unfortunately, Unix time did not considered the effects of leap second
The change to UTC to include leap seconds was in 1972, which was after unix time came into existence.
The change to UTC to include leap seconds was in 1972, which was after unix time came into existence.
Also, the fact that Unix time starts before leap seconds were introduced made timekeeping in TAI an even stronger point. And I'm waiting for some insights on why it's not being done.