This is the Winter Solstice, the shortest day in the year. It’s hard to know what more there is to say about it.
Rhinos thought this might be a good day for mentioning the Mayan Culture of Mexico. They were very clever, and were enthusiastic about the Solstice, plus other astronomical studies. Also they sure knew how to dress for an occasion.
The Rhino Solution to the Winter Solstice is: Keep Eating.