De or het herkansingdatum?

The correct Dutch article is:

het herkansingdatum

Rule Words ending in -um and -ium: usually het. See the rule

This word is not in the word lists we use to double-check answers.

How to use herkansingdatum

the herkansingdatumhet herkansingdatum
this herkansingdatumdit herkansingdatum
that herkansingdatumdat herkansingdatum
our herkansingdatumons herkansingdatum
your herkansingdatumjouw herkansingdatum
every herkansingdatumelk herkansingdatum
which herkansingdatum?welk herkansingdatum?
a big herkansingdatum / the big herkansingdatumeen groot herkansingdatum, het grote herkansingdatum