Idioms relating to time

[Joshua Farrell]

What are some English idioms related to time? What are some from your own language?

Example being in Engilsh:
Idiom: "It's raining cats and dogs"
Meaning: It's raining hard.

Example: Kill two birds with one stone.
Meaning: Get two things done through one action or job.

 

[Katrina]

Once in a blue moon
(occurs rarely)

 

[Page]

Just luck I see when it does or not does happen

 

[Deleted member 31696]

It's high time

Meaning: It’s the right time to do something, or past the appropriate time to do something.