And how fast do humans wander on foot? Consistently, with cargo and so on maybe 30 km a day. An hour difference is 15 longitudes. In europe a longitude is about 70, at the equator about 110 km. So it takes 1050 km or 35 days to naturally move an hour in Europe and 1650 km or 55 days at the equator.

Until evolution catches up to modern means of transportation or doing something like the time switch it will take millenia at least. And on top of that we also need to adapt to the 9-5 rhythm instead of getting up with the sun and to bed with sunset, like we did for hundreds of thousands of years.

And if you say that for you it is easy, that might be true, but for most people it is not and shouldn’t be. Finally i’d recommend you to have a look at the health effects of shift work, in aprticular working night shifts. It fucks peoples health significantly.