This is a linked open data (LOD) about date and time. "12 כסלו 5786" is a date of Hebrew Calendar-TEST (Calendar ID: 104.1).
http://datetime.hutime.org/calendar/104.1/date/12_כסלו_5786
hcal:104.1/date/2461011.5
hcal:104.1/date/12_כסלו_5786
hcaldate:2461011.5
hcaldate:12_כסלו_5786