"dag" is de: de dag (day). This one you just learn — no rule points to de here. The plural is de dagen.

Is it de or het dag?

de dag

de-word

day

/də dɑx/

Plural

de dagen

Why de

This one you just learn — no rule points to de here.

In a sentence

Fijne dag vandaag!

Have a nice day today!

More de-words

The de/het checker covers one word. The full platform covers vocabulary, grammar and all five DUO sections.