Meaning of 日夜 in Japanese

Definition of 日夜

にちや(nichiya) 【日夜】

(n-adv, n) day and night; always
看護婦たちは、日夜患者の世話をした。
The nurses attend to the patient day and night.

とおかんや(tookanya) · とおかや(tookaya) 【十日夜】

(n) Harvest festival held on the night of the tenth day of the tenth month (to send the rice paddy gods back to the mountains after harvest)

みかよのもち(mikayonomochi) 【三日夜の餅 ·三日夜の餠】

(n) Heian-period ceremony where a newlywed groom and bride eat a rice-cake on the third night after the wedding ceremony →Related words: 三日の餅

Could you remind me to call my academic advisor at 9:00 p.m. tomorrow?

彼かれは弁護士べんごしになるために日夜にちや勉強べんきょうに励んだ。

He studied day and night with a view to becoming a lawyer.

彼かれは日夜にちや働いて過労かろうになった。

He worked day and night and overworked himself.

彼かれは自分じぶんの家庭かていが楽らくに暮らせるように日夜にちや働いた。

He worked day and night so that his family could live in comfort.

彼かれは自分じぶんの家族かぞくが楽らくに暮らせるように日夜にちや働いていた。

He worked day and night so that his family could live in comfort.

彼かれは金持ちかねもちになるために、日夜にちや働いた。

He worked day and night so that he might become rich.

看護婦かんごふたちは、日夜にちや患者かんじゃの世話せわをしたする。

The nurses attend to the patient day and night.