rdfs:member
http://hosi.org/ts/When/TM/CalDate
day:Christmas
christmas(-309)
day:Easter
easter(-63)
day:Moveable_feast
Septuagesima Sunday
day:Week
http://hosi.org/When/Coordinates/Common::Week::Sunday
ts:coordinate
19
ts:frame
http://hosi.org/When/CalendarTypes/Julian
ts:sdn
1942814