時間（じかん、jikan）
- time

The Japanese word 時間 (時間, じかん) primarily means "time." It refers to the duration of something, a specific point in 時間, or the concept of 時間 itself. It's a versatile word used in many contexts.

⚫︎一時間 Translation: One hour ⚫︎勉強する時間 Translation: Study time / The time to study ⚫︎時間がない Translation: There is no time / I don't have time

⚫︎時間 is used to talk about: - The length of an activity. - A specific moment in time. - Scheduling. - The concept of time in general. ⚫︎ It can be modified by numbers to indicate a duration (e.g., 一時間 - one hour) ⚫︎ It can be combined with verbs to express when something happens (e.g., 勉強する時間 - study time) ⚫︎ It is a very common word in daily conversation.

⚫︎ The standard way to write 時間 is with the kanji 時 (meaning "time" or "hour") and 間 (meaning "interval" or "space"). ⚫︎ It's read as じかん in hiragana. ⚫︎ There are no variations in the okurigana for this word.

⚫︎ 時 (とき) - "Time" (more general, often referring to a specific point in time or occasion) ⚫︎ 瞬間 (しゅんかん) - "Moment" (a very brief period of time) ⚫︎ 期間 (きかん) - "Period" or "Duration" (a specific stretch of time)

⚫︎ There isn't one single perfect antonym. The concept is broad. You might consider: - 無時間 (むじかん) - No time (philosophically) - Words related to lack of duration or speed, depending on the context.

今日の会議は二時間かかります。 ・Translation: Today's meeting will take two hours. ・Explanation: This sentence uses 時間 to express the duration of the meeting.

そろそろ寝る時間だよ。 ・Translation: It's about time to go to bed. ・Explanation: This sentence uses 時間 to indicate the appropriate time for an activity.

⚫︎ The word 時間 combines two kanji: 時 and 間. ⚫︎ 時 comes from the Chinese and originally meant "season." Its meaning gradually expanded to encompass time and hours. ⚫︎ 間 means "interval" or "space." Together, they represent the concept of an interval of 時間.