That will work until Elon Musk opens his Mars settlement. Then we will have to rename "Universal Coordinated Time" to "Earth Coordinated Time" and have separate "Planet Times".
We already have separate planet times, for what it's worth [1].
I can't find it now, but I remember listening to an interview with a scientist involved with one of the Mars rovers who converted his whole family to Martian time for a few weeks or months after his rover landed, since those were the hours he was keeping for work.
I can't find it now, but I remember listening to an interview with a scientist involved with one of the Mars rovers who converted his whole family to Martian time for a few weeks or months after his rover landed, since those were the hours he was keeping for work.
[1] https://en.wikipedia.org/wiki/Timekeeping_on_Mars