It would be indeed great if our computer systems could adapt to those changes quickly. But the reality is that they can't, and there are many excuses available;

It would be indeed great if our computer systems could adapt to those changes quickly. But the reality is that they can't, and there are many excuses available; for example there are many devices which are not continuously connected to the global network but can still keep a clock ticking. Jurisdictions are expected to take account of this reality, no matter you like it or not.