ˌday-to-ˈday BrE AmE 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.