der Freitagnachmittag
Friday afternoon
The part of the day between Friday noon and Friday evening.
Am Freitagnachmittag erledige ich meistens die Einkäufe für das Wochenende.
On Friday afternoon, I usually do the shopping for the weekend.

Friday afternoon
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Friday afternoon
The part of the day between Friday noon and Friday evening.
Am Freitagnachmittag erledige ich meistens die Einkäufe für das Wochenende.
On Friday afternoon, I usually do the shopping for the weekend.

This word is built very logically. It consists of the weekday 'der Freitag' (Friday) and the time of day 'der Nachmittag' (afternoon).
Ich freue mich schon auf den Freitagnachmittag, dann beginnt das Wochenende.
I'm already looking forward to Friday afternoon; that's when the weekend begins.
As a time expression, 'Freitagnachmittag' (Friday afternoon) can be used with the preposition 'am' (with dative). It can also be used without a preposition (in the accusative) to express regularity, often together with 'jeden' (every).
Am Freitagnachmittag gehe ich oft schwimmen.
On Friday afternoon, I often go swimming.
In Germany, Austria, and Switzerland, Friday afternoon marks the start of the weekend for many working people and students. The work or school week often ends earlier than on other days.
Viele Büros schließen schon am Freitagnachmittag um 14 Uhr.
Many offices close as early as 2 p.m. on Friday afternoon.
Friday evening
'Freitagabend' and 'Freitagnachmittag' both fall on Friday, so they are easy to confuse. 'Freitagnachmittag' is the time after noon and before evening, often still during or shortly after work. 'Freitagabend' starts later and is often already seen as the start of the weekend. If an appointment is at 3 p.m., 'Freitagnachmittag' fits. If you go out to eat or meet friends at 8 p.m., 'Freitagabend' fits.

Anna hat am Freitagnachmittag noch einen Termin beim Arzt.
Anna still has a doctor's appointment on Friday afternoon.
Am Freitagabend gehen wir nach der Arbeit zusammen essen.
On Friday evening, we are going out to eat together after work.