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Calculate the hour of a given DateTime value
Source position: dateutil.inc line 211
| function HourOfTheDay( | 
| const AValue: TDateTime | 
| ):Word; | 
| AValue | 
 | DateTime 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.
| 
 | Calculate the number of hours passed since the start of the year. | |
| 
 | Calculate the number of hours passed since the start of the month. | |
| 
 | Calculate the number of hours elapsed since the start of the week. | |
| 
 | Calculate the number of minutes elapsed since the start of the day | |
| 
 | Calculate the number of seconds elapsed since the start of the day | |
| 
 | 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.