How can one change the timestamp of an old commit in Git?

Question

The answers to How to modify existing, unpushed commits? describe a way to amend previous commit messages that haven\'t yet been pushed upstream. The new messages inherit t

Answer 1

Just do git commit --amend --reset-author --no-edit. For older commits, you can do an interactive rebase and choose edit for the commit whose date you want to modify.

git rebase -i 

Then amend the commit with --reset-author and --no-edit to change the author date to the current date:

git commit --amend --reset-author --no-edit

Finally continue with your interactive rebase:

git rebase --continue