っけ

っけ
particle
was it...? (confirming memory)
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.'
明日(あした)何曜日(なんようび)だっけ。
What day is it tomorrow again?
あの映画(えいが)面白(おもしろ)かったっけ。
Was that movie good? I can't quite remember.
会議(かいぎ)何時(なんじ)からだっけ?(わす)れちゃった。
What time does the meeting start again? I forgot.

GRAMMAR:

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

  • Verb (past) + っけ: ()べたっけ (did I eat...?)
  • い-adjective (past) + っけ: (たか)かったっけ (was it expensive...?)
  • Noun/な-adjective + だっけ: 先生(せんせい)だっけ (was it the teacher...?)
  • Noun/な-adjective (past) + っけ: 先生(せんせい)だったっけ (was it the teacher...?)

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.