yesterday is gone

alternative yesterday's gone

1. It is impossible to change or to relive what has already happened.

   Near-synonyms: don't cry over spilt milk, what's done is done, you can't go home again

   4 more examples

   Yesterday is gone indeed, and gone never to return.

   1873, Francis Bourdillon, “The Odd Five Minutes; Or, Short Chapters on Serious Subjects”, in Google books, Religious Tract Society, page 108

   Yesterday is gone; yesterday has passed forever beyond our control. Gone with it are its mistakes and cares, its aches and pains, its faults and blunders.

   1945, American Farm Youth, Volumes 11-12, page 28

   Today is the day when we can enjoy life, for yesterday is gone, and tomorrow never comes.

   2010 April 25, Mark Vernon, “Ideas for modern living: Carpe diem”, in Guardian, UK, retrieved 10 Jul 2017

   I wake up every morning and tell myself, "There's nothing I can do about yesterday, yesterday is gone."

   2017 March 31, John Meyer, “Seeking to bring hope to those with cancer, Littleton man heads to North Pole”, in Denver Post, retrieved 10 Jul 2017

   Synonyms: don't cry over spilt milk, what's done is done, you can't go home again