rdfs:member
http://hosi.org/ts/When/TM/CalDate
day:Christmas
christmas(-206)
day:Easter
easter(49)
day:Moveable_feast
Whitsunday
day:Week
http://hosi.org/When/Coordinates/Common::Week::Sunday
ts:coordinate
2
ts:frame
http://hosi.org/When/CalendarTypes/Julian
ts:sdn
1931229