Wrong date (1 day offset).

[MajedDH]

I've tried to convert 1458/09/01, it gave me 2036/10/20

but here on the official site of the calendar http://www.ummulqura.org.sa/Index.aspx it gives 2036/10/21 .

UPDATE
after I've posted the issue, I tried the fork of @philips-emr here: https://github.com/philips-emr/moment-hijri, it gave the same results for other dates but for this one it gave the same as the official site.