sc_date_conv - This macro converts the date field passed as parameter with an input format to another field with an output format.
sc_date_dif - This macro calculates the difference between two dates (passed as parameters) returning the result in days.
sc_date_dif_2 - This macro calculates the difference between two dates returning the amount of days, months and years.
sc_date_empty - This macro checks if a date field its empty returning a boolean.
sc_time_diff - Calculate difference in hours, returning the amount of hours, minutes and seconds.