| [Overview][Constants][Procedures and functions][Index] | 
Calculate the hour of a given TDateTime value
Source position: dateutil.inc line 224
function HourOfTheDay(  | 
const AValue: TDateTime  | 
):Word;  | 
AValue  | 
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TDateTime to calculate the hour of.  | 
Hour part of AValue.
HourOfTheDay returns the number of hours that have passed since the start of the day till the moment indicated by AValue. This is a zero-based number, i.e. 00:59:59 will return 0.
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Calculate the number of hours passed since the start of the year.  | 
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Calculate the number of hours passed since the start of the month.  | 
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Calculate the number of hours elapsed since the start of the week.  | 
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Calculate the number of minutes elapsed since the start of the day  | 
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Calculate the number of seconds elapsed since the start of the day  | 
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Calculate the number of milliseconds elapsed since the start of the day  | 
Program Example43; { This program demonstrates the HourOfTheDay function } Uses SysUtils,DateUtils; Var N : TDateTime; Begin N:=Now; Writeln('Hour of the Day : ',HourOfTheDay(N)); Writeln('Minute of the Day : ',MinuteOfTheDay(N)); Writeln('Second of the Day : ',SecondOfTheDay(N)); Writeln('MilliSecond of the Day : ', MilliSecondOfTheDay(N)); End.