火曜日

• Reading: かようび
• Romaji: kayoubi
• Kanji breakdown: 火 (ka/hi) — fire; 曜 (you) — day of the week; 日 (bi/nichi) — day
• Pronunciation: /ka.joː.bi/

Meaning

Tuesday. The second day of the work week in Japan.

The kanji 火 means 'fire,' making Tuesday the 'fire day.' Often shortened to 火曜 (kayou) in casual speech. In the celestial naming system, it corresponds to Mars — similar to Romance language naming (French mardi, from Mars).

Examples

1. 火曜日にピアノのレッスンがあります。 I have a piano lesson on Tuesday.
2. 毎週火曜日はカレーを作ります。 I make curry every Tuesday.
3. 火曜日の午後は暇です。 I'm free on Tuesday afternoon.

Usage Guide

Context: scheduling, weekly routines, school

Tone: neutral

Origin & History

From the celestial naming system: 火 (fire, associated with Mars) + 曜日 (day of the week). Mars is called 火星 (kasei, 'fire star') in Japanese.

Cultural Context

Era: Ancient

Generation: All ages

Social background: Universal