Add decimal days to a date field in Apex

Question

Hello,

I am trying to find a way to add decimal value to a date field in Apex. In my example, I want to add 1.5 days to a date field. AddDays or datefield+1.5 doesn't work as the add days is expected to be numeric. Do anyone have any alternatives to add decimal days to a date field?

Thanks

Shree

Andrew Gillan · Accepted Answer

other alternate would be to build a custom apex class which accepts the dateTime and a decimal as input and then does a break down of the decimal into two parts, first and integer and use the datetime.AddDays ();

static DateTime addDecimalDays(DateTime dateTime, Decimal decimalDays){}

so

Datetime newDateTime = DateTime.AddDays(Integer.valueOf(decimalDays));

and then with the decimal component break it out to a number of hours and use dateTime.addhours();

Decimal decimalDayComponent = decimalDays - Integer.valueOf(decimalDays);
Integer roundedHours = Integer.valueOf(decimalDayComponent *24);
newDateTime = DateTime.AddHours(roundedHours);
return newDateTime;

Regards

Andrew

p.s. code provide uncompiled and as-is

Add decimal days to a date field in Apex

Apex

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