This is a linked open data (LOD) about date and time. "C.E. 2024 April" is a month of Gregorian Calendar (Calendar ID: 2.1).
http://datetime.hutime.org/calendar/2.1/month/C.E._2024_April
hcal:2.1/month/2460401.5
hcal:2.1/month/C.E._2024_April
hcalmonth:2460401.5
hcalmonth:C.E._2024_April