Compound nouns: the last word decides
Nachmittag der
Always In 98.9% of 6,721 common compound nouns, the article comes from the last word.
The last part decides the article: der Mittag, so der Nachmittag.
der Nachmittag
It's der Nachmittag. Nachmittag is masculine, plural die Nachmittage.
Am Nachmittag habe ich Zeit.
In the afternoon I have time.
Am Nachmittag habe ich Meetings.
In the afternoon I have meetings.
Nachmittag der
Always In 98.9% of 6,721 common compound nouns, the article comes from the last word.
The last part decides the article: der Mittag, so der Nachmittag.