Burt Kaliski Jr. (@modulomathy)
3/2/12 12:48 AM
#math trivia for #March1: #61 is one sixth of the way through the year. Which other “sixths” come on the first day of the month? The last?
A leap year has exactly six “sixths”, 61 days apart. With the usual alternation of 31- and 30-day months after February, a period spans exactly two months, except for July-August, where it falls one day short. The remaining sixths occur on May 1, July 1, August 31, October 31, and December 31. First day of the month for the first three, last day for the others.