曜 means “day of week”

よう · you

Also: weekday

On'yomi (Chinese reading)
ヨウ

JLPT N4 · Taught in grade 2 · 18 strokes

The story

Sunlight flashing off a bird's wing: brilliance assigned to each day. Japanese weekdays shine in elemental order: moon, fire, water, wood, metal, earth, sun (月火水木金土日曜日).

Used in 月曜日 (getsuyoubi, Monday), 日曜日 (nichiyoubi, Sunday), and 何曜日 (nanyoubi, what day of the week)

More from Everyday Japan

Learn 曜 and more kanji free on Fuji Learning · All kanji

Readings from KANJIDIC2, © EDRDG, CC BY-SA.