date-start and date-end

These two parameters specify the start date and end date, respectively, for a time interval. They take values of the format of the UNIX date command, excluding the time zone specification. Additionally, the weekday portion of the date command format is optional.

day-start and day-end

These two parameters specify the start day number and end day number, respectively, for a day interval in a month. They take values in the range 1 through 31. 

month-start and month-end

These two parameters specify the start month and end month, respectively, for a month interval in a year. They take the values Jan, Feb, Mar, Apr, May, Jun, Jul, Aug, Sep, Oct, Nov and Dec.

time-start and time-end

These two parameters specify the start time and end time, respectively, for a time interval in a day. They take values of the form hour:minute:second on a 24–hour clock.

weekday-start and weekday-end

These two parameters specify the start day and end day, respectively, for a day interval in a week. They take the values Sun, Mon, Tue, Wed, Thu, Fri and Sat.