It depends which calendar you are using
No. Only 12.
In order for a month to have it's thirteenth (13th) day land on a Friday the month most start on a SUNDAY.
It's the thirteenth day of a calendar month when the month begins on a Sunday.
It's the thirteenth day of a calendar month when the month begins on a Sunday.
the day has to be a sunday
march....the thirteenth.....a wednesday.....
It is called a triskaidecagon or tridecagon.
The thirteenth amendment.
There are 12 months in the Hebrew calendar. In a leap year there are Adar A and Adar B. Adar is the sixth month.
Simply look at the 13th of the month on a calendar and see if it is a Friday. A simple rule is that if the 1st of the month is a Sunday, then the 13th will be a Friday.
Sammy Keyes and the Ultimate Prankster
Nicholas Flamel.