No particular time, as in It doesn't matter when; any day is fine with me.
Also, any day now. Quite soon, as in I might get a call any day, or There could be a snowstorm any day now.
Also, any day of the week. Every day, as in I could eat fresh corn any day of the week. All three senses employ any in the sense of “no matter which,” a usage dating from a.d. 1000.
Words nearby any day
How to use any day in a sentence
He added: “People say he deserves his day in court… Do we have enough time?”Bill Maher: Hundreds of Millions of Muslims Support Attack on ‘Charlie Hebdo’|Lloyd Grove|January 8, 2015|DAILY BEAST
For many years afterward it was a never-ending topic of conversation, and is more or less talked of even to this day.New York’s Most Tragic Ghost Loves Minimalist Swedish Fashion|Nina Strochlic|January 8, 2015|DAILY BEAST
“We talked about the science the whole time the other day,” Krauss told The Daily Beast in a phone interview.Sleazy Billionaire’s Double Life Featured Beach Parties With Stephen Hawking|M.L. Nestel|January 8, 2015|DAILY BEAST
Gunshots rang out in Paris this morning on a second day of deadly violence that has stunned the French capital.
In the middle of all of that past suffering and present-day conflict, this Cosby bomb was dropped.
The afternoon was a lovely one—the day was a perfect example of the mellowest mood of autumn.Confidence|Henry James
Edna did not reveal so much as all this to Madame Ratignolle that summer day when they sat with faces turned to the sea.The Awakening and Selected Short Stories|Kate Chopin
Each day she resolved, "To-morrow I will tell Felipe;" and when to-morrow came, she put it off again.Ramona|Helen Hunt Jackson
There are three things a wise man will not trust: the wind, the sunshine of an April day, and woman's plighted faith.Pearls of Thought|Maturin M. Ballou
The proceedings of the day commenced with divine service, performed by Unitarian and Baptist ministers.