German phrase
Passt Ihnen um ~ Uhr?
Meaning
Does ___ work for you?
When to use it
It asks if a time suits. This polite wording fits appointments and formal conversations.
Example dialogue
Passt Ihnen um 18 Uhr?
Does 18:00 work for you?
Das geht leider nicht, ich habe da schon einen Termin.
Unfortunately, that will not work. I already have an appointment then.