diff --git a/README.md b/README.md
index 2b0714a..9ef37ef 100644
--- a/README.md
+++ b/README.md
@@ -17,6 +17,7 @@ Available options:
 -h, --help      Print this help and exit
 -n, --no-space  Remove spaces between week columns
 -s, --style     Sets style of the graph: square (default), block, or plus
+--monday-first  Set Monday to be the first day of the week
 ```
 
 The output of the command displays a colored graph similar to the one that you can find in any GitHub profile webpage:
diff --git a/git-activity b/git-activity
old mode 100644
new mode 100755
index 1c63bdf..8ef2a0b
--- a/git-activity
+++ b/git-activity
@@ -18,6 +18,7 @@ EOF
 }
 
 # Parse options
+weekdays="$(seq 0 6)"
 space=" "
 style=square
 while [[ $# -gt 0 ]]; do
@@ -27,6 +28,7 @@ while [[ $# -gt 0 ]]; do
       shift 2
       ;;
     -n|--no-space) space="" ;;
+    --monday-first) weekdays="1 2 3 4 5 6 0" ;;
     -h|--help)
       usage
       exit 0
@@ -90,7 +92,7 @@ printf "\n"
 # Print activity
 last_day=$(( ($(date "+%s") - since) / (60*60*24) ))
 name_of_days=("" "Mon" "" "Wed" "" "Fri" "" "")
-for day_n in $(seq 0 6); do
+for day_n in $weekdays; do
   printf '\e[m%-4s' "${name_of_days[day_n]}"
   for week_n in $(seq 0 52); do
     key=$(( week_n * 7 + day_n ))