Meaning of the word "the better the day, the better the deed" in English

What does "the better the day, the better the deed" mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

the better the day, the better the deed

US /ðə ˈbetər ðə deɪ, ðə ˈbetər ðə diːd/
UK /ðə ˈbetə ðə deɪ, ðə ˈbetə ðə diːd/
"the better the day, the better the deed" picture

Idiom

used to justify doing something on a holy day or a day of rest, suggesting that a good action is even more appropriate on a special day

Example:
I know it's Sunday, but I'm going to help him fix his roof; the better the day, the better the deed.
He decided to volunteer on Christmas morning, thinking, 'The better the day, the better the deed.'