diff --git a/cheat/git.md b/cheat/git.md
new file mode 100644
index 0000000..bc42066
--- /dev/null
+++ b/cheat/git.md
@@ -0,0 +1,12 @@
+### Undo last commit while keeping changes
+
+`git reset HEAD^`
+
+### Most active hours from git history ([src](https://gist.github.com/bessarabov/674ea13c77fc8128f24b5e3f53b7f094#gistcomment-2973934))
+
+```
+git log --author="Morgan" \
+        --format="%ad" \
+        --date="format:%H" |\
+        awk '{n=$1+0;if(H[n]++>max)max=H[n]}END{for(i=0;i<24;i++){printf"%02d -%5d ",i,H[i];for(n=0;n<H[i]/max*50;n++){printf "*"}print""}}'
+```