You can't really "keep doing this" unless you have a teleporter from Hawaii back to Tokyo. Also, it's not just science but also human-created time zones.
I can verify this, I fell fell victim to it once.
I had a 10AM departure from Seoul Korea, twoish hour layover in Narita Japan, twoish hour layover in Minneapolis - St. Paul and still landed in Boston on the same day at 9AM... one hour before I left.
That's so fancy
I had a 10AM departure from Seoul Korea, twoish hour layover in Narita Japan, twoish hour layover in Minneapolis - St. Paul and still landed in Boston on the same day at 9AM... one hour before I left.