About: http://webisa.webdatacommons.org/279452643

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	You are looking for an online registration system more than a calendar, and it seems like you are sort of wanting something pretty custom/unique (i.e. does not exist exactly as you want it today) with the time zone thing...
http://www.w3.org/ns/prov#wasQuotedFrom	metafilter.com