Day number of Year wrong?

[qlikofba]

I have a simple chart that has production date as a dimension and Daynumberofyear(max(production date)) and above is what i am getting.

Why are all the sites saying we 11/27/2018 is 331, and not what qlik is saying, 331.  Even when hardcoding daynumberofyear('11/26/2018') it is showing 331.

https://www.epochconverter.com/daynumbers

[sunny_talwar]

Qlik assumed a year of 366 days

DayNumberofYear

=DayNumberOfYear(MakeDate(2018, 2,  28)) = 59
and 
=DayNumberOfYear(MakeDate(2018, 3,  1)) = 61