die Tageszeit
time of day
A specific part or period within a day, such as morning, noon, evening, or night.
Am Abend, meiner liebsten Tageszeit, lese ich gerne ein Buch.
In the evening, my favorite time of day, I like to read a book.

time of day
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time of day
A specific part or period within a day, such as morning, noon, evening, or night.
Am Abend, meiner liebsten Tageszeit, lese ich gerne ein Buch.
In the evening, my favorite time of day, I like to read a book.

This word is made up of 'Tag' (day), the linking element '-es-', and 'Zeit' (time). The literal meaning is therefore 'the time of the day'. The gender of the word is determined by the last part: die Zeit.
Die Tageszeit beeinflusst die Stimmung vieler Menschen.
The time of day influences many people's mood.
'Tageszeit' (time of day) is often used in fixed expressions to indicate that something applies always or depending on the situation. Typical examples are 'zu jeder Tageszeit' (at any time of day) or 'je nach Tageszeit' (depending on the time of day).
Das Museum ist fast zu jeder Tageszeit gut besucht.
The museum is busy at almost any time of day.
When referring to a specific, often inconvenient moment, the preposition 'zu' is used. The construction is then 'zu' + adjective + 'Tageszeit' (time of day).
Wer ruft denn zu so später Tageszeit noch an?
Who is calling at such a late time of day?
time
'die Zeit' and 'die Tageszeit' both have to do with the passing of hours and days. However, 'Zeit' is much more general: it can refer to a duration, a specific point in time, or a period. 'Tageszeit' only means a part within a day, for example morning, noon, evening, or night. Learners may confuse the words because both occur in questions about appointments or clock times. If you are asking generally when something happens or how long something lasts, use 'Zeit'. If you want to know whether something happens in the morning, at noon, or in the evening, 'Tageszeit' fits.

Nach dem Unterricht ist der Nachmittag meine liebste Tageszeit zum Lernen.
After class, the afternoon is my favorite time of day for studying.
Hast du am Wochenende Zeit für die Familie?
Do you have time for the family this weekend?