時間|じかんjikan[0]heiban (flat)

1. nountime
   いつだって読書どくしょの時間じかんは見みつけられる。↗

   We can always find time for reading.
2. nounhour
   彼かれは勤勉きんべんな生徒せいとだ。毎日まいにち３時間じかん彼かれは勉強べんきょうしている。↗

   He is a diligent student. He studies three hours every day.
3. nounperiod; class; lesson

• Synonym時ときNeutralCovers a moment or occasion, as in 「子どもの時」; 時間 centers on duration or the clock time itself.
• SynonymタイムNeutralLoanword used mostly for times recorded in races or for a time-out, as in 「ゴールタイム」.
• Synonym間かんNeutralThe time between two points, as in 「夏休みの間」; often in the pattern 「～間に」 to mean 'during'.
• Related期間きかんNeutralA stretch of time with a set start and end, as in 「試験期間」; it stresses the span, while 時間 can also mean a short duration or the hour.
• Related間あいだNeutralThe time between two points, as in 「夏休みの間」; often in the pattern 「～間に」 to mean 'during'.
• Related時刻じこくNeutralA single point on the timeline, as in 「発車時刻」; 時間 can also give the clock time but more often refers to length.
• Related時期じきNeutralA period with some defining feature or suited to doing something, as in 「この時期」; 時間 is about length of time.
• Related時代じだいNeutralA long stage of history or of a life, counted in years, as in 「学生時代」.
• Related折おりWrittenWritten style for a certain time or opportunity, as in 「上京の折」; it never refers to a length of time.
• Related期きWrittenWritten style for a set period or session, mostly as a suffix, as in 「第二期」.
• RelatedひとときNeutralA brief spell of time, as in 「楽しいひと時」 or 「苦しいひと時」; 時間 is about duration itself.
• RelatedスパンNeutralLoanword for a span of time, as in 「長いスパンで考える」; heard mostly in business.
• Related年代ねんだいNeutralAn era or date reckoned in decades and the like, as in 「八十年代」; it carves time into year-based periods rather than measuring a duration like 時間.
• Related間隔かんかくNeutralThe interval separating two things in time or distance, as in 「五分間隔」; the focus is on the gap between them.
• Related歳月さいげつWrittenWritten language for the long years as they pass, with a wistful tone, as in 「十年の歳月」.
• Related年月としつきNeutralLong months and years, as in 「長い年月」; the emphasis is on time piling up.
• Related刻限こくげんWrittenWritten and old-fashioned word for an appointed time, as in 「刻限に遅れる」.
• Related星霜せいそうWrittenA literary, elegant word for the years, as in the set phrase 「幾星霜」; not used in everyday speech.

For lengths and amounts of time, 「時間」 is the default: 「時間がない」, 「三時間」. Use 「時」 for a moment or occasion, 「時刻」 for an exact clock time, 「期間」 for a span with a start and end, and 「年月」 or 「歳月」 for long years. Beyond these: 「折」 and 「期」 are written-style, 「タイム」 and 「スパン」 are loanwords, 「間」 and 「間隔」 mark intervals, and 「時代」 or 「年代」 cover eras and decades.

Usage comparisons are AI-assisted and cross-checked by multiple models; for study reference only

1. 時ときの流ながれ。
2. 時ときの流ながれの中なかのある点てん。時刻じこく。
3. ある時刻じこくと別べつのある時刻じこくとの間隔かんかく。時じの長ながさ。
4. 自分じぶんの作業さぎょうを中断ちゅうだんし、相手あいてへの対応たいおうなどを優先ゆうせんさせるための時ときの長ながさ。
5. 時ときの長ながさの単位たんい。60分ふん。3600秒びょう。24分ぶんの1日ついたち。
6. 学校がっこうの時限じげん。また何なんかをする時間帯じかんたい。
7. 万物ばんぶつがその流ながれの中なかに存在そんざいしており、決けっしてその流ながれに逆さからうことができない、空間くうかんと対立たいりつする概念がいねん。