時分|じぶんjibun[1]atamadaka (head-high)

1. nountime; hour; season
   彼かれは若わかい時分じぶんにはバイオリンを弾ひいていた。↗

   He used to play the violin in his youth.
2. nounsuitable time; opportunity; chance

• Synonym時ときNeutralThe everyday, most general word for time or an occasion; 「時分」 sounds old-fashioned and tends to mean a rough stretch of time, as in 「若い時分」.
• Synonym折おりWrittenA written/formal word for an occasion or opportunity, as in 「折に触れて」「この折」.
• SynonymころNeutralAn approximate time, as in 「子供の頃」. Very close to 「時分」 but far more common in everyday use.
• Synonym時期じきNeutralA period or phase of time, as in 「この時期」; the wording is fairly objective.
• Synonym時節じせつWrittenWritten/formal prose for a season or the state of the times, as in 「時節柄」.
• Synonym頃おいころおいWrittenA written, old-fashioned word for a time or days, now rarely used; 「頃」 is the usual choice.
• Related潮時しおどきNeutralThe right moment to start or finish something, as in 「引き際の潮時」; 「時分」 mostly means a rough time, though it too can mean a suitable moment.
• Related時機じきWrittenA written/formal word for the time best suited to doing something, as in 「時機を逸する」.

For a rough time, 「頃」 is the usual choice, as in 「子供の頃」; 「時分」 is a bit old-fashioned, as in 「若い時分」「今時分」. For the right moment to act, use 「潮時」 or 「時機」.

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

1. 時期じき。時とき。頃ころ。
2. 時機じき。好機こうき。