This is a linked open data (LOD) about date and time. "C.E. 2025 February 03" is a date of Gregorian Calendar (Calendar ID: 2.1).
http://datetime.hutime.org/calendar/2.1/date/C.E._2025_February_03
hcal:2.1/date/2460709.5
hcal:2.1/date/C.E._2025_February_03
hcaldate:2460709.5
hcaldate:C.E._2025_February_03