RAD Studio VCL Reference
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DateUtils.HourSpan Function
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Returns the number of Hours (including fractional Hours) between two specified TDateTime values.

Pascal
function HourSpan(const ANow: TDateTime; const AThen: TDateTime): Double;
C++
Double HourSpan(const TDateTime ANow, const TDateTime AThen);
File

DateUtils

Description

Call HourSpan to obtain the difference, in hours, between two TDateTime values. Unlike the HoursBetween function, which only counts entire hours, HourSpan reports incomplete hours as a fraction of an entire hour. 

 

See Also
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