Extract the day (of month) part from a TDateTime value.
Source position: dateutil.inc line 145
| function DayOf( | 
| const AValue: TDateTime | 
| ):Word; | 
| AValue | 
 | Date to extract day of. | 
Day of month part of AValue.
DayOf returns the day of the month part of the AValue date/time indication. It is a number between 1 and 31.
For an example, see YearOf
| 
 | Extract the year from a given date. | |
| 
 | Extract week (of the year) from a given date. | |
| 
 | Extract the month from a given date. | |
| 
 | Extract the hour part from a TDateTime value. | |
| 
 | Extract the minute part from a TDateTime value. | |
| 
 | Extract the second part from a TDateTime value. | |
| 
 | Extract the millisecond part from a TDateTime value. |