On Saturday, March 26, 2016 at 2:50:46 PM UTC, Bill wrote:

The difference between you and the other guy is that he couldn't bring himself to reply in the polar twilight thread even though many now know that it requires a surface rotation to account for that wonderful observation which happened within the last week at the Antarctic polar latitude -

https://www.youtube.com/watch?v=okw6Mu3mxdM

People nowadays wake up to dual surface rotations and dual day/night cycles with their own characteristics of twilight and dawn.

It is not meant for people who can't enjoy what is in front of them and for people are comfortable and confident people who can appreciate a sunrise for what it is.