Bobad's link did not mention the influence of the moon. Some experiments have found that people deprived of daylight settle into a 25 hour cycle of activity, the length of a "day" judged by the moon instead of the sun. On holiday, we all gradually slip our sleep and waking times, maybe for that reason.
Then there is the 28 day menstrual cycle. A lunar month.
By clicking on the User Name, you will requery the forum for that user. You will see everything that he or she has posted with that Mudcat name.
By clicking on the Thread Name, you will be sent to the Forum on that thread as if you selected it from the main Mudcat Forum page.
By clicking on the Subject, you will also go to the thread as if you selected it from the original Forum page, but also go directly to that particular message.
By clicking on the Date (Posted), you will dig out every message posted that day.
sj