De or het openingsdatum?

The correct Dutch article is:

de openingsdatum

  • Plural: de openingsdata / openingsdatums
Exception Words ending in -um and -ium usually take het, but openingsdatum is an exception. See the rule
Meaning (Dutch) de dag dat men iets ingebruik neemt

How to use openingsdatum

the openingsdatumde openingsdatum
this openingsdatumdeze openingsdatum
that openingsdatumdie openingsdatum
our openingsdatumonze openingsdatum
your openingsdatumjouw openingsdatum
every openingsdatumelke openingsdatum
which openingsdatum?welke openingsdatum?
a big openingsdatum / the big openingsdatumeen grote openingsdatum, de grote openingsdatum
the openingsdatum (plural)de openingsdata, deze openingsdata

Meaning, plural, diminutive, pronunciation and translations: WikiWoordenboek (Dutch Wiktionary) (CC BY-SA 4.0). Example sentences: Tatoeba (CC BY 2.0 FR).