Quite interesting - Mayan day/nights and earth periods

[Tenet Nosce]

Also, for the record, a sudden transition does not necessarily imply some sort of cataclysm. That being said, people seem to be in a huge state of denial about mass death and destruction. As if it only happens to other people, in other times. Death, however and whenever it comes, tends to be disruptive to one's "plans" for life. End of story.