diff --git a/lib/utilities.bash b/lib/utilities.bash
index db63956d..52427d3d 100644
--- a/lib/utilities.bash
+++ b/lib/utilities.bash
@@ -162,3 +162,20 @@ _bash-it-component-item-is-disabled() {
   local item="$2"
   _bash-it-component-help "${component}" | $(_bash-it-grep) -E -v '\[x\]' |  $(_bash-it-grep) -E -q -- "^${item}\s"
 }
+
+# Given a number of seconds, transforms it into a human readable duration
+_bash-it-human-duration() {
+  local T=$1
+  if [ "$T" -lt 60 ]; then
+    printf '%ds' "$T"
+    return
+  fi
+  local D=$(( T / 60 / 60 / 24 ))
+  local H=$(( T / 60 / 60 % 24 ))
+  local M=$(( T / 60 % 60 ))
+  local S=$(( T % 60 ))
+  (( $D > 0 )) && printf '%d day(s), ' $D
+  (( $D > 0 || $H > 0 )) && printf '%02dh:' $H
+  (( $D > 0 || $H > 0 || $M > 0 )) && printf '%02dm:' $M
+  printf '%02ds' $S
+}
diff --git a/plugins/available/cmd-duration.plugin.bash b/plugins/available/cmd-duration.plugin.bash
new file mode 100644
index 00000000..97f6b2ad
--- /dev/null
+++ b/plugins/available/cmd-duration.plugin.bash
@@ -0,0 +1,8 @@
+cite about-plugin
+about-plugin 'keep track of the moment when the last command started, to be able to compute its duration'
+
+preexec () {
+  export BASH_IT_LAST_COMMAND_STARTED=${EPOCHSECONDS:-$(perl -e 'print time()')}
+}
+
+preexec_install;
diff --git a/test/lib/utilities.bats b/test/lib/utilities.bats
index 6e0f4ac7..e83e0be3 100644
--- a/test/lib/utilities.bats
+++ b/test/lib/utilities.bats
@@ -91,3 +91,44 @@ function item_disabled() {
   run has_match xyz "${fruits[@]}"
   assert_line -n 0 ''
 }
+
+@test "_bash-it-human-duration() - under a minute only displays second count" {
+  run _bash-it-human-duration 2
+  [ "$output" = "2s" ]
+
+  run _bash-it-human-duration 30
+  [ "$output" = "30s" ]
+
+  run _bash-it-human-duration 59
+  [ "$output" = "59s" ]
+}
+
+@test "_bash-it-human-duration() - over a minute, but under an hour displays mm:ss" {
+  run _bash-it-human-duration 60
+  [ "$output" = "01m:00s" ]
+
+  run _bash-it-human-duration 83
+  [ "$output" = "01m:23s" ]
+
+  run _bash-it-human-duration 3599
+  [ "$output" = "59m:59s" ]
+}
+
+@test "_bash-it-human-duration() - over an hour, displays in the hh:mm:ss format" {
+  run _bash-it-human-duration 3600
+  [ "$output" = "01h:00m:00s" ]
+
+  run _bash-it-human-duration 3700
+  [ "$output" = "01h:01m:40s" ]
+
+  run _bash-it-human-duration $(( 3600 * 24 - 1 ))
+  [ "$output" = "23h:59m:59s" ]
+}
+
+@test "_bash-it-human-duration() - duration over 1 day - starts displaying number of days as well" {
+  run _bash-it-human-duration 86400
+  [ "$output" = "1 day(s), 00h:00m:00s" ]
+
+  run _bash-it-human-duration $(( 3600 * 24 * 3 + 3600 * 5 + 60 * 7 + 23 ))
+  [ "$output" = "3 day(s), 05h:07m:23s" ]
+}
diff --git a/themes/powerline-multiline/powerline-multiline.theme.bash b/themes/powerline-multiline/powerline-multiline.theme.bash
index 54651cb6..75c58848 100644
--- a/themes/powerline-multiline/powerline-multiline.theme.bash
+++ b/themes/powerline-multiline/powerline-multiline.theme.bash
@@ -82,6 +82,9 @@ SHLVL_THEME_PROMPT_CHAR=${POWERLINE_SHLVL_CHAR:="§"}
 DIRSTACK_THEME_PROMPT_COLOR=${POWERLINE_DIRSTACK_COLOR:=${CWD_THEME_PROMPT_COLOR}}
 DIRSTACK_THEME_PROMPT_CHAR=${POWERLINE_DIRSTACK_CHAR:="←"}
 
+DURATION_THEME_PROMPT_COLOR=${POWERLINE_DURATION_COLOR:=124}
+DURATION_THRESHOLD=${POWERLINE_DURATION_THRESHOLD:=5}
+
 HISTORY_NUMBER_THEME_PROMPT_COLOR=${POWERLINE_HISTORY_NUMBER_COLOR:=0}
 HISTORY_NUMBER_THEME_PROMPT_CHAR=${POWERLINE_HISTORY_NUMBER_CHAR:="#"}
 
diff --git a/themes/powerline-naked/powerline-naked.theme.bash b/themes/powerline-naked/powerline-naked.theme.bash
index 5c5fed26..644feb21 100644
--- a/themes/powerline-naked/powerline-naked.theme.bash
+++ b/themes/powerline-naked/powerline-naked.theme.bash
@@ -77,6 +77,9 @@ SHLVL_THEME_PROMPT_CHAR=${POWERLINE_SHLVL_CHAR:="§"}
 DIRSTACK_THEME_PROMPT_COLOR=${POWERLINE_DIRSTACK_COLOR:=${CWD_THEME_PROMPT_COLOR}}
 DIRSTACK_THEME_PROMPT_CHAR=${POWERLINE_DIRSTACK_CHAR:="←"}
 
+DURATION_THEME_PROMPT_COLOR=${POWERLINE_DURATION_COLOR:=124}
+DURATION_THRESHOLD=${POWERLINE_DURATION_THRESHOLD:=5}
+
 HISTORY_NUMBER_THEME_PROMPT_COLOR=${POWERLINE_HISTORY_NUMBER_COLOR:=254}
 HISTORY_NUMBER_THEME_PROMPT_CHAR=${POWERLINE_HISTORY_NUMBER_CHAR:="#"}
 
diff --git a/themes/powerline-plain/powerline-plain.theme.bash b/themes/powerline-plain/powerline-plain.theme.bash
index 6ae81a56..db576305 100644
--- a/themes/powerline-plain/powerline-plain.theme.bash
+++ b/themes/powerline-plain/powerline-plain.theme.bash
@@ -74,6 +74,9 @@ SHLVL_THEME_PROMPT_CHAR=${POWERLINE_SHLVL_CHAR:="§"}
 DIRSTACK_THEME_PROMPT_COLOR=${POWERLINE_DIRSTACK_COLOR:=${CWD_THEME_PROMPT_COLOR}}
 DIRSTACK_THEME_PROMPT_CHAR=${POWERLINE_DIRSTACK_CHAR:="←"}
 
+DURATION_THEME_PROMPT_COLOR=${POWERLINE_DURATION_COLOR:=124}
+DURATION_THRESHOLD=${POWERLINE_DURATION_THRESHOLD:=5}
+
 HISTORY_NUMBER_THEME_PROMPT_COLOR=${POWERLINE_HISTORY_NUMBER_COLOR:=0}
 HISTORY_NUMBER_THEME_PROMPT_CHAR=${POWERLINE_HISTORY_NUMBER_CHAR:="#"}
 
diff --git a/themes/powerline/powerline.base.bash b/themes/powerline/powerline.base.bash
index 8c983a7b..620f256f 100644
--- a/themes/powerline/powerline.base.bash
+++ b/themes/powerline/powerline.base.bash
@@ -188,6 +188,23 @@ function __powerline_dirstack_prompt {
   fi
 }
 
+function __powerline_duration_prompt {
+  if [ -z $BASH_IT_LAST_COMMAND_STARTED ]; then
+    # either the duration plugin was not started,
+    # or this is the first time the prompt is displayed,
+    # therefore no command has run yet
+    return
+  fi
+
+  local cmd_end=${EPOCHSECONDS:-$(perl -e 'print time()')}
+  (( duration_seconds = cmd_end - BASH_IT_LAST_COMMAND_STARTED ))
+
+  if [ $duration_seconds -ge $DURATION_THRESHOLD ]; then
+    local human_duration=$(_bash-it-human-duration "$duration_seconds")
+    echo "${human_duration}|${DURATION_THEME_PROMPT_COLOR}"
+  fi
+}
+
 function __powerline_history_number_prompt {
   echo "${HISTORY_NUMBER_THEME_PROMPT_CHAR}\!|${HISTORY_NUMBER_THEME_PROMPT_COLOR}"
 }
diff --git a/themes/powerline/powerline.theme.bash b/themes/powerline/powerline.theme.bash
index d897c7c8..c1491eba 100644
--- a/themes/powerline/powerline.theme.bash
+++ b/themes/powerline/powerline.theme.bash
@@ -78,6 +78,9 @@ SHLVL_THEME_PROMPT_CHAR=${POWERLINE_SHLVL_CHAR:="§"}
 DIRSTACK_THEME_PROMPT_COLOR=${POWERLINE_DIRSTACK_COLOR:=${CWD_THEME_PROMPT_COLOR}}
 DIRSTACK_THEME_PROMPT_CHAR=${POWERLINE_DIRSTACK_CHAR:="←"}
 
+DURATION_THEME_PROMPT_COLOR=${POWERLINE_DURATION_COLOR:=124}
+DURATION_THRESHOLD=${POWERLINE_DURATION_THRESHOLD:=5}
+
 HISTORY_NUMBER_THEME_PROMPT_COLOR=${POWERLINE_HISTORY_NUMBER_COLOR:=0}
 HISTORY_NUMBER_THEME_PROMPT_CHAR=${POWERLINE_HISTORY_NUMBER_CHAR:="#"}