diff --git a/README.md b/README.md
index 0dd20689..dd0e06f4 100644
--- a/README.md
+++ b/README.md
@@ -109,6 +109,14 @@ elements (it is by default), and define a `DEFAULT_USER` in your `~/.zshrc`:
 
     export DEFAULT_USER=<your username>
 
+#### The 'time' segment
+
+By default the time is show in 'H:M:S' format. If you want to change it, 
+just set another format in your `~/.zshrc`:
+
+   # Reversed time format
+   POWERLEVEL9K_TIME_FORMAT='%D{%S:%M:%H}' 
+
 #### The VCS Information Segment
 
 By default, the `vcs` segment will provide quite a bit of information. If you
diff --git a/powerlevel9k.zsh-theme b/powerlevel9k.zsh-theme
index 1ac02d6d..27c547f8 100644
--- a/powerlevel9k.zsh-theme
+++ b/powerlevel9k.zsh-theme
@@ -301,7 +301,12 @@ prompt_longstatus() {
 
 # System time
 prompt_time() {
-  $1_prompt_segment $DEFAULT_COLOR_INVERTED $DEFAULT_COLOR '%D{%H:%M:%S} '
+  local time_format='%D{%H:%M:%S}'
+  if [[ -n $POWERLEVEL9K_TIME_FORMAT ]]; then
+    time_format=$POWERLEVEL9K_TIME_FORMAT
+  fi
+
+  $1_prompt_segment $DEFAULT_COLOR_INVERTED $DEFAULT_COLOR "$time_format "
 }
 
 # Command number (in local history)