Return the first day of the year, given a date in this year.
Source position: dateutil.inc line 156
function StartOfTheYear( |
const AValue: TDateTime |
):TDateTime; |
AValue |
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Date in year of which to return the start. |
First day of the year as a TDateTime value.
StartOfTheYear extracts the year part of AValue and returns a TDateTime value with the date of the first day of that year (January 1), as the StartOfAYear function.
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Return the first day of a given year. |
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Calculate a TDateTime value representing the last day of a year, given a date in that year. |
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Calculate a TDateTime value representing the last day of a year. |
Program Example24; { This program demonstrates the StartOfTheYear function } Uses SysUtils,DateUtils; Const Fmt = '"First day of this year : "dd mmmm yyyy'; Begin Writeln(FormatDateTime(Fmt,StartOfTheYear(Today))); End.