German phrase
An welchem ~ passt es Ihnen?
Meaning
Which ___ works for you
When to use it
It asks what suits you. This polite phrase helps arrange a day or time.
Example dialogue
An welchem Wochentag passt es Ihnen?
Which day of the week works for you?
Am Mittwoch passt es mir am besten.
Wednesday works best for me.