On Mon, Feb 26, 2018 at 8:09 PM, Steven D'Aprano <steve+comp.lang.python at pearwood.info> wrote: > Yes you did: "the last second of every year" is always 23:59:59 of 31st > December, and it is always the same time and date "every year". Except when it's 23:59:60 or 23:59:61 (which hasn't yet happened but could).