いつでもいい

いつでもいい
expression
anytime is fine
informalspokencommunication
1. anytime is fine, whenever works
A casual expression indicating that the speaker has no preference about timing. Used when asked to choose a time for meeting, scheduling, etc.
いついい?」「いつでもいい
"When works for you?" "Anytime is fine."
来週(らいしゅう)ならいつでもいいです。
Any day next week works for me.
電話(でんわ)していい?」「うん、いつでもいい(ひま)から
"Can I call you?" "Yeah, anytime. I'm free."

いつでもいい is composed of いつ (when) + でも (even/any) + いい (good/fine). It follows the same productive pattern as どこでもいい, なんでもいい, etc.

Scoped usage

いつでもいい is often scoped by a preceding time frame:

Keigo

いつでもいいです or いつ(かま)いません are polite equivalents suitable for business or formal contexts.

Pattern:でもいい
This is a productive pattern combining a question word with でもいい: