## What year has the most Friday the 13th?

There can be as many as three Friday the 13ths in a single calendar year; either in February, March and November in a common year starting on Thursday (such as 2009, 2015 or 2026) (D), or January, April and July in a leap year starting on Sunday (such as 1984, 2012 or 2040) (AG)..

## How many Friday 13th are there in 2020?

two FridayFriday, March 13, 2020, presents the first of two Friday the 13ths in 2020. Any calendar year has a minimum of one Friday the 13th, and a maximum of 3 Friday the 13ths. The last time we had only one Friday the 13th in a calendar year was in May 2016 and the next time won’t be until August 2021.

## How many Friday the 13th can you have in a year?

Any calendar year has at least one Friday the 13th, and can have as many as three Friday the 13ths.

## Why does every year have a Friday the 13th?

It’s an artifact of the calendar. Proving it is an application of mod 7 arithmetic. A month has a Friday the 13th if its first day is Sunday. Let January begin on day k, 0≤k≤6 (with k=0 being Sunday) of a regular year.