De or het pinksterzending?

The correct Dutch article is:

de pinksterzending

Rule Words ending in -ing: almost always de. See the rule

How to use pinksterzending

the pinksterzendingde pinksterzending
this pinksterzendingdeze pinksterzending
that pinksterzendingdie pinksterzending
our pinksterzendingonze pinksterzending
your pinksterzendingjouw pinksterzending
every pinksterzendingelke pinksterzending
which pinksterzending?welke pinksterzending?
a big pinksterzending / the big pinksterzendingeen grote pinksterzending, de grote pinksterzending