Once upon a time; J.J.M. van Doormalen published a website about "(van) Do(o)(e)r(e)(n)m(a)(e)(o)l(l)(e)(n)". The original site no longer exists; but B.Derikx made a copy of it - available here:
http://www.derikx.com/doormalen/
Today's question is about this page:
http://www.derikx.com/doormalen/doorm_3.html
XII-al Joannes Wilhelmi van Doremael
Joannes is in ondertrouw gegaan te Boxtel (NB) op 17 april 1728, en getrouwd aldaar op 27 april 1728 (NH) met Cornelia Lamberts van de Ven.
I believe "17-apr-1728" came from this card index:
https://www.familysearch.org/ark:/61903/3:1:3QS7-99QX-S99B?i=2454&cc=2037960
The card index mentions "Boxtel N.H. Trouwboek 1698-1729".
Search BHIC for Inventarisnummer 28.2 and Archiefnummer 8019
https://www.bhic.nl/memorix/genealogy/search/registers?sa=%7B%22search_s_inventarisnummer%22:%2228.2%22,%22search_s_archiefnummer%22:%228019%22%7D
Then view image 103 of 122.
Date is actually "17 april 1725"!
I'm wondering where the "27-apr" date for actual marriage came from - can anyone help find it?