This is a linked open data (LOD) about date and time. "01 محرم 1090" is a date of Hijri Calendar-TEST (Calendar ID: 103.1).
http://datetime.hutime.org/calendar/103.1/date/01_محرم_1090
hcal:103.1/date/2334343.5
hcal:103.1/date/01_محرم_1090
hcaldate:2334343.5
hcaldate:01_محرم_1090