ご都合のよいときに

at your convenience

→ 御都合
phrase Rare #37,913
at your convenience A polite, formal expression meaning when it is convenient for you. ご都合 is a respectful way to refer to the listener's schedule or circumstances.
JA: ご都合のよいときに、こちらへお電話ください。
EN: Please call us at your convenience.

ご都合のよいときに私どもお会いできません

Would it be possible to meet at a time that's convenient for you?

ご都合のよいときにお茶を飲みお寄りになりませんか

Would you like to stop by for tea when it’s convenient for you?

そちらのご都合のよいときにいつでもお会いできます

I can meet whenever it’s convenient for you.

ご都合のよいときにおいでください

Please come whenever it’s convenient for you.