Adrock Date Functions Class - Version 1.0 The TAdrockDates class provides around 140 functions that deal with dates. You can return periods between dates, in days, weeks, months, quarters, and years. There are functions that deal with boundary dates. You can add a number of units to a date, the units being days, weeks, months, and years. Extract parts from dates, and build dates with simple function calls. Format date functions such as '5th September 1998'. The Help file provides a full listing of available functions and comprehensive usage instructions.