This is a linked open data (LOD) about date and time. "C.E. 2025 February 05" is a date of Julian/Gregorian Calendar (reformed in 1752) (Calendar ID: 101.2).
http://datetime.hutime.org/calendar/101.2/date/C.E._2025_February_05
hcal:101.2/date/2460711.5
hcal:101.2/date/C.E._2025_February_05
hcaldate:2460711.5
hcaldate:C.E._2025_February_05