-- If you get paid every 7 days on the same day of the week,
then it depends which day of the week is pay day. In 2013 ... Sunday, Monday, Wednesday, Thursday . . . . 4 months with 5 paydays
Tuesday . . . . . 5 months with 5 paydays
Friday . . . . . . . 3 months with 5 paydays
Saturday . . . . . 2 months with 5 paydays