This is a linked open data (LOD) about date and time. "27/05/1446" is a date of Hijri Calendar-TEST (Calendar ID: 9103.2).
http://datetime.hutime.org/calendar/9103.2/date/27/05/1446
hcal:9103.2/date/2460643.5
hcal:9103.2/date/27/05/1446
hcaldate:2460643.5
hcaldate:27/05/1446