っけ

っけ
particle
was it...? (confirming memory)
informalspokengrammatical
1. was it...?, did...?
A sentence-ending particle used when trying to recall something or confirm a vague memory. Conveys the feeling of 'I think it was... but I'm not sure.'
What day is it tomorrow again?
Was that movie good? I can't quite remember.
What time does the meeting start again? I forgot.

Common patterns

っけ attaches to the past tense or to だ/だった. Common patterns:

Usage

っけ is informal and used in casual conversation. It signals that the speaker is searching their memory, often when asking themselves or someone nearby. It can be used both as a genuine question and as a rhetorical musing.