friday the 13th

no, not the movie

friday the 13th calendarMany people believe that Friday the 13th is an unlucky day. Not me. The superstition surrounding Friday the 13th is relatively recent. Fear of Friday the 13th is called paraskevidekatriaphobia or friggatriskaidekaphobia.

When is Friday the 13th?
  Sep 2019, Dec 2019
  Mar 2020, Nov 2020
  Aug 2021

Here are some funny facts and trivia about Friday the 13th.

If a month begins on a Sunday it will contain a Friday the 13th. Believe it or not, a Friday the 13th occurs every calendar year.

If it’s a leap year, then there’s a Friday the 13th in January, April and July.

The 13th day of a month is more likely to be a Friday than any other day of the week. 2016 had only one Friday the thirteenth, in May.

Who was born on Friday the 13th?
  Margaret Thatcher Oct 13, 1925
  Fidel Castro Aug 13, 1926
  Steve Buscemi Dec 13, 1957
  Julia Louis-Dreyfus Jan 13, 1961
  the Olsen twins, Mary-Kate & Ashley Olsen Jun 13, 1986

Feeling lucky? Here’s a couple of Excel macros that identify Friday the 13th.

March the 13th, 1964: The largest earthquake in North American history, killing 131 people near Prince William Sound.

Think having no 13th floor is weird? San Francisco has no 13th Avenue. Funston Avenue is between 12th and 14th Avenues.