平日|へいじつheijitsu[0]heiban (flat)

1. adverb, nounweekday; ordinary days (i.e. non-holiday)
   平日へいじつ料金りょうきんと休日きゅうじつ料金りょうきんで、１万いちまん円えんも違ちがうんだ。↗

   You have to pay 10,000 yen extra on holidays.
2. nounkanji radical 73

• SynonymウィークデーNeutralA loanword for the working days Monday–Friday. Less common than 「平日」; in everyday speech 「平日」 is the usual word.
• Antonym休日きゅうじつNeutralA day off or holiday, covering both weekends and public holidays; the direct opposite of 「平日」.
• Antonym祝日しゅくじつNeutralA national holiday established by law, e.g. 「建国記念の日」. The emphasis is on its official, statutory status.
• Antonym祭日さいじつNeutralA day of festivals or shrine rites, and also an older name for public holidays; today the formal word for those is 「祝日」.

Use 「平日」 for weekdays. For days off, including weekends and holidays, say 「休日」; for national statutory holidays use 「祝日」 (「祭日」 is the older term). 「ウィークデー」 exists, but 「平日」 is more common.

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

1. 日曜にちよう日・祝にちしゅく祭日さいじつ以外いがいの日ひ。
2. （ひらび、とも）縁日えんにちなどの特別とくべつな行事ぎょうじのない日ひ。