A tip for the day

From Garner’s Modern English Usage (2022):

April Fool’s Day; *April Fools’ Day; *April Fools Day. The singular-possessive form has been consistently more common since the term became popular in the mid-1800s. The other spellings are nonstandard variants.

Current ratio in print (April Fool’s Day vs. *April Fools’ Day vs. *April Fools Day): 11:8:1

Hi, Lois, Mooch, Earl, please take note.