Japanese phrase
何時までなら大丈夫ですか？ nan ji ma de na ra dai jō bu de su ka
Meaning
How late would be okay?
When to use it
Asks how late something can continue. The wording is gentle and common when arranging calls, visits, or plans.
Example dialogue
電話は、何時までなら大丈夫ですか？ den wa wa nan ji ma de na ra dai jō bu de su ka
How late would be okay for a call?
十時までなら大丈夫です。 jū ji ma de na ra dai jō bu de su
Until ten is fine.