noun
everyday life, daily routine
B1
Noun 'Alltag' means everyday life or daily routine. Masculine (der Alltag) plural Alltage. Regular declension (Gen. des Alltags, Pl. die Alltage). Used to describe ordinary, routine aspects of life, workdays and habits. No irregular plural; often appears in compounds (Alltagsprobleme, Alltagsleben).
Examples
Der Alltag kann manchmal ziemlich hektisch sein.
Everyday life can sometimes be quite hectic.
Im Alltag hat sie wenig Zeit für Hobbys.
In everyday life she has little time for hobbies.
Nach dem langen Urlaub fiel es den Kollegen schwer, in den Alltag zurückzukehren, obwohl sie sich erholter fühlten.
After the long vacation, the colleagues found it hard to return to everyday life, although they felt more rested.
Details
Mnemonics
Picture a calendar filled with repeated similar days representing daily life.
Sounds a bit like 'all-tag' — think 'all days' = daily life.
Der — imagine a male figure (der) doing ordinary daily tasks to remember masculine gender.
Notes
Often used to talk about routine life contrasted with special events. Plural 'Alltage' is used when talking about different kinds of days or multiple routines.