any day—
1. on any one day from now:
- This, too, is something that may happen any day now or that could be a few years off.
2. (coll.) is used to express one’s willingness or preference:
- I’d work with Murphy in Canada any day rather than stay in here.
3. (coll.) without doubt:
- You are a good deal better-looking than her, Barbara. You are, any day.
any time—
1. at a time which may be very soon:
- She is going to give birth any time now.
2. at any time one chooses:
- John is in a private ward, so you can get in any time.
3. no matter when; whenever:
- Any time you’re stuck for a meal come around.
4. is used in response to an expression of gratitude:
- “Thanks for helping me.” “Any time.”