Deletion of Calendars in the Forgotten Realms

Comment: what next, Tables in the Forgotten Realms? Thoroughly non-notable, as it is sourced in its entirety to a primary source and a Tweet it fails GNG. It also fails , as it is written entirely from an in-universe perspective
Stance: delete
Cited policy: Wikipedia:What Wikipedia is not (WP:PLOT)

Comment: I wouldn't call this Original Research, as I'm pretty sure most of the information here can be found in various official D&D sourcebooks.  However, it certainly isn't ''notable'' either.  There are really no decent reliable, secondary sources that discuss the concept in any way that would pass the 
Stance: delete
Cited policy: Wikipedia:Notability (WP:GNG)