Basics
  Home  |  Dates and times : Date and time calculations
 Type   Name   Summary
 
 Function   DayOfTheMonth   Gives day of month index for a TDateTime value (ISO 8601)
 Function   DayOfTheWeek   Gives day of week index for a TDateTime value (ISO 8601)
 Function   DayOfTheYear   Gives the day of the year for a TDateTime value (ISO 8601)
 Function   DayOfWeek   Gives day of week index for a TDateTime value
 Function   DaysBetween   Gives the whole number of days between 2 dates
 Function   DaysInAMonth   Gives the number of days in a month
 Function   DaysInAYear   Gives the number of days in a year
 Function   DaySpan   Gives the fractional number of days between 2 dates
 Procedure   DecodeDate   Extracts the year, month, day values from a TDateTime var.
 Procedure   DecodeDateTime   Breaks a TDateTime variable into its date/time parts
 Procedure   DecodeTime   Break a TDateTime value into individual time values
 Function   EncodeDate   Build a TDateTime value from year, month and day values
 Function   EncodeDateTime   Build a TDateTime value from day and time values
 Function   EncodeTime   Build a TDateTime value from hour, min, sec and msec values
 Function   EndOfADay   Generate a TDateTime value set to the very end of a day
 Function   EndOfAMonth   Generate a TDateTime value set to the very end of a month
 Function   FileAge   Get the last modified date/time of a file without opening it
 Function   FileSetDate   Set the last modified date and time of a file
 Function   IncDay   Increments a TDateTime variable by + or - number of days
 Function   IncMillisecond   Increments a TDateTime variable by + or - number of milliseconds
 Function   IncMinute   Increments a TDateTime variable by + or - number of minutes
 Function   IncMonth   Increments a TDateTime variable by a number of months
 Function   IncSecond   Increments a TDateTime variable by + or - number of seconds
 Function   IncYear   Increments a TDateTime variable by a number of years
 Function   IsLeapYear   Returns true if a given calendar year is a leap year
 Constant   MinsPerDay   Gives the number of minutes in a day
 Constant   MonthDays   Gives the number of days in a month
 Function   MonthOfTheYear   Gives the month of the year for a TDateTime value
 Function   RecodeDate   Change only the date part of a TDateTime variable
 Function   RecodeTime   Change only the time part of a TDateTime variable
 Procedure   ReplaceDate   Change only the date part of a TDateTime variable
 Procedure   ReplaceTime   Change only the time part of a TDateTime variable
 Constant   SecsPerDay   Gives the number of seconds in a day
 Function   StrToDate   Converts a date string into a TDateTime value
 Function   StrToDateTime   Converts a date+time string into a TDateTime value
 Function   StrToTime   Converts a time string into a TDateTime value
 
 
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