は初めてですか

is it your first time?

→ は
phrase Rare #34,430
is it your first time? Used to ask whether someone is experiencing or visiting the topic for the first time. The part before は names the experience or place.
JA: この店は初めてですか。
EN: Is this your first time at this restaurant?

日本料理は初めてですか。

Is this your first time trying Japanese food?

日本は初めてですか。

Is this your first time in Japan?

献血は初めてですか?

Is this your first time donating blood?