Did he remember the date and time?

Are the date and time remembered by him?

Was he remembering the date and time?

Were the date and time remembered by him?

Did the date and time be remembered by him?

All of the above

This is an interrogative sentence of Past Indefinite Tense.

Active: Did + Subject + verb (Ist form) + object...

Passive: Was/Were + Object + verb (3rd form) + by + subject...