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"There's 24 hours, 60 minutes, 60 seconds" - except sometimes when there are 25 hours, or 23! Because it's too hard to ask people to change their schedules, so
by modeless 4y ago
"There's 24 hours, 60 minutes, 60 seconds" - except sometimes when there are 25 hours, or 23! Because it's too hard to ask people to change their schedules, so we change the time instead. And of course we don't add or remove those hours at the beginning or end of the day, so we never actually have an hour 25, we just repeat one of the middle hours instead. And then, independently, sometimes there are 61 seconds, or 59. And don't get me started on time zones...
- thfuran 4y ago>sometimes there are 61 seconds, or 59 Isn't one of those still just a theoretical possibility? I think all leap seconds so far have been in the same direction.
- modeless 4y agoSo far. But it's definitely still possible. Earth's rotation has been speeding up lately. https://www.timeanddate.com/news/astronomy/shortest-day-2022 https://www.timeanddate.com/news/astronomy/shortest-day-2022