Everyone has a different schedule. It could be work, cooking dinner, having spart time hours, and other obligations. Below are tips.

Write whenever you have the time to do so. If you don't wake up earlier or stay up later to get it done.

While doing repitious chores, think to yourself how you can imporve your story.

When reading, see lines and methods other writers use that could help you with your own writing

If in a library or bookstore, research possible ideas for writing

When someone public, overhear conversations for additional writing ideas

Always keep an idea notebook with you

you'll be surprised at how much writing you can do this way. I have one day of the week when I do major editing, one when I finish my goal, ect.