・ 音 ヨウ
漢越音: diệu
Sun radical 日 plus 翟 for sound: the shining heavenly bodies. The days of the week are named after the sun, the moon and five planets.
Stroke data: KanjiVG (CC BY-SA 3.0) — kanjivg.tagaini.net
日曜日は休みです。 (にちようびはやすみです)
Sunday is a day off.