This is a linked open data (LOD) about date and time. "1 เมษายน 2567" is a date of Thai Buddhist Calendar-TEST (Calendar ID: 1003.1).
http://datetime.hutime.org/calendar/1003.1/date/1_เมษายน_2567
hcal:1003.1/date/2460401.5
hcal:1003.1/date/1_เมษายน_2567
hcaldate:2460401.5
hcaldate:1_เมษายน_2567