therefore, so, because

expresses reason or cause; because / used to give a reason or explanation for something

日の出: sunrise

Hinode, Tokyo

because, as, since, due to because / (colloquial, informal) so, because so, therefore

(polite) Polite form of なのだ (na no da, used to indicate strong assertion).

初日の出: The first sunrise of the New Year

expressing the reason or cause behind a certain action or situation / used to give a reason or excuse for something / used to express an assumption or expectation based on a certain situation / used to soften a request or statement

Synonym of たまらない (tamaranai)