I was going to say that leap seconds only increment, but apparently that’s just been historically true, not theoretically true according to Wikipedia:
All have so far been positive leap seconds, adding a second to a UTC day; while it is possible for a negative leap second to be needed, one has not happened yet.
Maybe, if:
I was going to say that leap seconds only increment, but apparently that’s just been historically true, not theoretically true according to Wikipedia:
And that’s a big if. Negative leap seconds are possible, but have never been used.
Leap seconds are to be abandoned altogether by 2035, apparently.
Happy cake day!
Thanks!