Number of months in this Hebrew year (either 12 or 13 depending on leap year).
Because Adar II is the last month of a leap year and Adar the last
month of a common year, this doubles as "the number of the final
month", which is how the anniversary rules identify Adar.
Number of months in this Hebrew year (either 12 or 13 depending on leap year).
Because Adar II is the last month of a leap year and Adar the last month of a common year, this doubles as "the number of the final month", which is how the anniversary rules identify Adar.