German phrase
Wann wäre ~?
Meaning
When would ___ be?
When to use it
A polite timing question. It is formal and softens a direct request.
Example dialogue
Wann wäre Ihnen nächste Woche ein Treffen möglich?
When would a meeting be possible for you next week?
Am Mittwochvormittag passt es mir gut.
Wednesday morning works well for me.