Internet Direct (Indy) Version 9.0.2 Beta
TIdDateTimeStamp.HourOf24Day
Indicates the numeric hour of day in 24-hour format.

property HourOf24Day: Integer;
Description
HourOf24Day is a read-only Integer property that indicates the hour of the day in 24-hour format for the Indy timestamp. Only the hour in numeric format is presented. For example, the HourOf24Day value for 1:00 AM is 1, and the HourOf24Day value for 1:00 PM is 13.