"Do you know what time they arrive?" in French

Summary

The French translation for “Do you know what time they arrive?” is Savez-vous à quelle heure ils arrivent ?. The French, Savez-vous à quelle heure ils arrivent ?, can be broken down into 7 parts:"know; are aware (2nd person plural)" (savez), "you (singular polite form and plural)" (vous), "at" (à), "which; what (feminine singular)" (quelle), "hour; o’clock" (heure), "they (masculine)" (ils) and "arrive; are arriving" (arrivent).