Weekly: Every 7-day interval beginning with the start date.
Bi-weekly: Every 14-day interval beginning with the start date.
Four Weeks: Every 24-day interval beginning with the start date.
Monthly: Every start of the month.
Semi-Monthly: Every start of the month and a day in the middle of the month.
Single Pay Period: A single pay period extending from the start date to the end date.
Parent topic: Pay Periods