昼間（ひるま、hiruma）
- daytime

The Japanese word 昼間 (ひるま, hiruma) primarily means "daytime" or "during the day". It refers to the period of time when the sun is up, contrasting with nighttime. It signifies the hours between sunrise and sunset. 昼間 emphasizes the time when it is light outside and when daily activities usually take place. It can refer to the daylight hours in general or to a specific part of the day, depending on the context.

⚫︎昼間は暑いです。 Translation: It's hot during the daytime. ⚫︎昼間に公園で遊びました。 Translation: I played at the park during the day. ⚫︎昼間の時間は短い。 Translation: The daytime hours are short.

You can use 昼間 in various situations to describe activities or events that happen during the daylight hours. It's used to specify the time of day, contrasting it with the night. For instance, you could use it to talk about studying, working, or going outside. It's a fairly common and versatile word.

昼間 is typically written with the kanji 昼 and 間, and is read as ひるま in hiragana. There are no other standard ways to write it, and the okurigana (the hiragana part) is fixed.

⚫︎日中 (にっちゅう, nicchuu) - "during the day" (more formal) ⚫︎日中 (ひる) - "day" (less common, usually just as 日)

⚫︎夜 (よる, yoru) - "night" ⚫︎夜間 (やかん, yakan) - "nighttime" (more formal)

私は昼間は図書館で勉強します。 ・Translation: I study at the library during the day. ・Explanation: This sentence clearly states that the speaker studies at the library during the daylight hours, using 昼間 to specify the time frame.

昼間に会うのがいいですか、それとも夜がいいですか？ ・Translation: Is it better to meet during the day, or is night better? ・Explanation: This sentence uses 昼間 to compare the daytime with nighttime, asking for preference on when to meet.

The word 昼間 is a compound word. 昼 (hiru) itself means "day" or "daytime", and 間 (ma) or (kan) means "space", "between", or "duration". Therefore, 昼間 literally means "the time between days", implying the time during the day.