May I leave this with you and then come back at a more convenient time?
Anything else I have can wait until a more convenient time.
We both love children, and anyone with kids knows there is never a "convenient" time to start a family.
And not least, to record television programs to watch at a more convenient time.
If you plan to phone in, ask the staff for a convenient time to call.
Death could not have come at a more convenient time.
I'd be able to do everything I had to, and would worry about other problems at a more convenient time.
We set a convenient time for him to phone me each day.
"What would be a convenient time for me to call?"
There's never a convenient time to leave, so we might as well just do it.