Usually such things have a simple explanation. systemd does a lot with time and date, for example scheduling tasks. It’s quite obvious that it has this capabilities, when you think about it.
me: systemd is not that bloated
systemd:
You need a calendar and time handling anyways for logging purposes and to set timers correctly. It’s likely not that much extra work exposing that functionality.
Oh fuck. I’ll use this from now on. Except for if I won’t use it next week. Then I’ll forget about it because my memory is a damn sieve.
Just take the next step and make a text file you dump all these commands into and then forget about in a week. When you randomly stumble across it years from now you’ll be able to say “wow, I could have used this 10 months ago if I remembered it existed!”