Hi @dragonstyle 
Thank you.
I am now getting result as "invalid date".

<img width="1561" alt="Screen Shot 2022-03-17 at 23 23 21" src="https://user-images.githubusercontent.com/7208830/158889078-6b8f81c9-ab74-4b8a-881f-033b3d847577.png">

_Originally posted by @sbalci in https://github.com/quarto-dev/quarto-cli/issues/402#issuecomment-1071377274_
dragonstyle
2022-03-18T07:16:16Z
sbalci
closed
invalid date in books
https://github.com/quarto-dev/quarto-cli/issues/436