They had already been in me a long time, days.

He looks like a man who has had a very long day.

He works seven long days a week and never takes a day off.

I got the feeling he was having a long day.

He had come to the long last day of his life.

An example is a person who comes home after a long day at work.

When her long days were over, she had nothing to come home to.

And they still had a long day ahead of them.

After a long day of work in the field, the father came home.

You have had a long and trying day, I know.