Japanese phrase
___の開催日はいつですか？ ___ no kai sai hi wa i tsu de su ka
Meaning
When is ___ being held?
When to use it
A polite way to ask when an event is scheduled.
Example dialogue
春祭りの開催日はいつですか？ haru matsu ri no kai sai hi wa i tsu de su ka
When is the spring festival being held?
六月十日です。 roku gatsu tō ka de su
It is on June 10.