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

HourOfTheYear

Calculate the number of hours passed since the start of the year.

Declaration

Source position: dateutil.inc line 180

function HourOfTheYear(

  const AValue: TDateTime

):Word;

Arguments

AValue

  

DateTime value for which to calculate the hour of the year

Function result

Number of hours passed since the start of the year till AValue .

Description

HourOfTheYear returns the number of hours that have passed since the start of the year (January 1, 00:00:00) till the moment indicated by AValue. This is a zero-based number, i.e. January 1 00:59:59 will return 0.

For an example, see the WeekOfTheYear function.

See also

WeekOfTheYear

  

Extract the week of the year (and optionally year) of a DateTime indication.

DayOfTheYear

  

Extracts the day of the year from a TDateTime value

MinuteOfTheYear

  

Calculate the number of minutes elapsed since the start of the year

SecondOfTheYear

  

Calculate the number of seconds elapsed since the start of the year.

MilliSecondOfTheYear

  

Calculate the number of milliseconds elapsed since the start of the year.


Documentation generated on: Nov 16 2015