Meaning of the word "the longest day has an end" in English

What does "the longest day has an end" mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

the longest day has an end

US /ðə ˈlɔŋ.ɡəst deɪ hæz æn end/
UK /ðə ˈlɒŋ.ɡɪst deɪ hæz ən end/
"the longest day has an end" picture

Idiom

even the most difficult or unpleasant situations will eventually come to an end

Example:
Don't lose hope during this crisis; remember that the longest day has an end.
After months of hard work, the project is finally over; truly, the longest day has an end.