ˌday-to-ˈday adjective [usually before noun]

1. day-to-day work/business/life etc day-to-day jobs or activities are ones that you do every day as a normal part of your life, your job etc:
The manager is responsible for the day-to-day running of the hotel.

2. planning for only one day at a time, usually because you are unable to plan for longer:
I see a counsellor and can now handle life on a day-to-day basis.

[TahlilGaran] Dictionary of Contemporary English ▲

day-to-day
a day-to-day activity is one of the things that you have to do every day, usually as a part of your work.
It's Sheila who's responsible for the day-to-day running of the school.
(always before noun)

[TahlilGaran] English Idioms Dictionary ▲

day-to-day
daily, everyday
The president was not involved in the day-to-day running of the university.

[TahlilGaran] English Idioms Dictionary ▲

day to day
adj. Daily; common; everyday.
For best results, students' homework should be checked on a day-to-day basis.

[TahlilGaran] English Idioms Dictionary ▲