真昼|まひるmahiru[0]heiban (flat)

1. noun, adverbmidday; broad daylight
   真昼まひるの太陽たいようがテニスコートを目めも眩くらむほどに照てらしあげた。↗

   The noonday sun beat down with dazzling brightness on the tennis court.

• Synonym正午しょうごNeutralRefers to 12 noon exactly; more precise than 「真昼」, which evokes the height of daylight rather than a fixed time.
• Synonym昼ひるNeutralThe everyday, most common word for midday; broader in range than 「真昼」 and without its literary flavor.
• Relatedお昼おひるCasualColloquial and friendly; covers the midday hours or lunch itself, while 「真昼」 stresses the brightest point of the day.
• Related午刻ごこくFormalFormal and rare; an old way of naming the hours, referring to around noon — not for everyday speech.
• Related午時NeutralRare; an old timekeeping term, synonymous with 「午刻」.
• Antonym真夜中まよなかNeutralThe dead of night; the exact opposite of 「真昼」 in broad daylight.
• Antonym深夜しんやNeutralLate at night; contrasts with 「真昼」 and its broad daylight.

Use 「真昼」 for the brightest part of the day or broad daylight, with a literary touch as in 「真昼の太陽」. For noon as an exact time pick 「正午」; for everyday midday, 「昼」 or 「お昼」. 「午刻」/「午時」 are rare old terms; 「真夜中」 and 「深夜」 are the night opposites.

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

1. 太陽たいようが高たかく昼間ひるまの盛もりの時間じかん。白昼はくちゅう。