[Overview][Constants][Procedures and functions][Index] | Reference for unit 'dateutils' (#rtl)

# Reference for unit 'dateutils': Constants

`ApproxDaysPerMonth` |  | Average number of days in a month, measured over a year. Used in MonthsBetween.
`ApproxDaysPerYear` |  | Average number of days in a year, measured over 4 years. Used in YearsBetween.
`DayFriday` |  | ISO day number for Friday
`DayMonday` |  | ISO day number for Monday
`DaySaturday` |  | ISO day number for Saturday
`DaysPerWeek` |  | Number of days in a week.
`DaysPerYear` |  | Array with number of days in a year. The boolean index indicates whether it is a leap year or not.
`DaySunday` |  | ISO day number for Sunday
`DayThursday` |  | ISO day number for Thursday
`DayTuesday` |  | ISO day number for Tuesday
`DayWednesday` |  | ISO day number for Wednesday
`MonthsPerYear` |  | Number of months in a year
`OneHour` |  | One hour as a fraction of a day (suitable for TDateTime)
`OneMillisecond` |  | One millisecond as a fraction of a day (suitable for TDateTime)
`OneMinute` |  | One minute as a fraction of a day (suitable for TDateTime)
`OneSecond` |  | One second as a fraction of a day (suitable for TDateTime)
`RecodeLeaveFieldAsIs` |  | Bitmask deciding what to do with each TDateTime field in recode routines
`WeeksPerFortnight` |  | Number of weeks in fortnight
`YearsPerCentury` |  | Number of years in a century
`YearsPerDecade` |  | Number of years in a decade
`YearsPerMillennium` |  | Number of years in a millenium

Documentation generated on: Feb 26 2014