時ときに

と

き

に

Freq.FrequencyTop 10,000

Meanings

Used to change the subject or add a related remark in conversation or writing. Often appears at the beginning of a sentence.

Adverbial use meaning 'at times' or 'now and then'. Can appear mid-sentence or at the beginning.

precisely at that time; just then; right then

Emphasizes that something happened exactly at a particular moment. Often used in narrative or when recounting events.

時ときに、〈事こと〉by the way, ... (used to introduce a related remark)
時ときに、来らい週しゅうの会かい議ぎは何なん時じからですか。
By the way, what time does next week's meeting start?
〈人ひと〉は時ときに〈動どう詞し〉someone sometimes does ~
彼かれは時ときに厳きびしいことを言いう。
He sometimes says harsh things.
時ときに、〈事こと〉が起おこったjust at that moment, ... happened
時ときに、大おおきな地じ震しんが起おこった。
Just then, a big earthquake struck.

ちなみに sense 1
時に can shift topic in casual conversation, while ちなみに is slightly more formal and used to add extra supplementary information rather than change the subject.
たまにN4sense 2
時に means 'sometimes' with a broader or more formal nuance, while たまに is the everyday word implying a lower, more casual frequency.
ところでN4sense 1
ところで is the more common everyday word for changing the topic, whereas 時に sounds a bit more literary or old-fashioned in this use.
時とき々どきN5sense 2
時々 is the plain, common word for 'sometimes/often', while 時に in this sense feels more literary and slightly less frequent-sounding.

Show 2 more

時ときとして
時に is a shorter, slightly literary variant close in meaning to 時として, both meaning 'at times' in formal writing.
に際さいして
ときに is a neutral, everyday way to say 'when,' whereas に際して carries a formal tone and specifically highlights an important occasion or step.

From 時 (とき, 'time') + に (particle). The conjunction and adverbial uses developed from the literal meaning 'at the time'.