diff --git a/bash_aliases.d/git b/bash_aliases.d/git
index 4594633..af6c4a5 100644
--- a/bash_aliases.d/git
+++ b/bash_aliases.d/git
@@ -34,3 +34,9 @@ function git-config-local-personal()
 }
 alias git-find-lost-commit='git fsck --lost-found'
 git_empty_commit='4b825dc642cb6eb9a060e54bf8d69288fbee4904'
+function gitat()
+{
+  local timestamp="$1"
+  shift
+  GIT_AUTHOR_DATE="$timestamp" GIT_COMMITTER_DATE="$timestamp" git "$@"
+}