noun, adverb
when; at what moment
Almost always used in the fixed expression いつ何時 (いつなんどき), meaning 'at any time' or 'whenever'. The standalone use is rare.
See also: いつ何時 (いつなんどき)
いつ何時、災害が起こるかわからない。
You never know when a disaster might strike.
いつ何時でも、準備はできている。
I am ready at any time.
noun
what time
Dated term for 'what time'. Modern Japanese uses 何時 (なんじ) instead. This reading may appear in older texts.
See also: 何時 (なんじ)
昔の人は「なんどきですか」と尋ねた。
People in the past asked 'What time is it?' using なんどき.
Standard kanji spelling, but note that 何時 is also read なんじ (what time) and いつ (when). Context usually disambiguates.
Combination of 何 (なん, 'what') and 時 (どき, 'time'). The reading どき is a voiced variant of とき used in compounds.