diff --git a/zshrc b/zshrc
index e01d87a..921fd5b 100644
--- a/zshrc
+++ b/zshrc
@@ -400,11 +400,11 @@ function load-gpg-agent() {
 # Taskwarrior {{{
 ## Aliases
 alias t="task"
-
-## By tag
+### Filter by tag
 alias tawork="task +work | head"
 alias taperso="task +perso | head"
 
+## Functions
 ## search a task by it's name (case INsensitive) {{{
 function tase() {
 	local search=""
@@ -420,12 +420,17 @@ function tasec() {
 }
 ## }}}
 
-## Completion
+## Completion {{{
 zstyle ':completion:*:*:task:*' verbose yes
 zstyle ':completion:*:*:task:*:descriptions' format '%U%B%d%b%u'
 zstyle ':completion:*:*:task:*' group-name ''
+## }}}
 # }}}
 # Timewarrior {{{
+## Aliases
+alias timv="timove"
+
+## Functions
 ## Display tasks of today {{{
 function tiday() {
 	if [ "${#}" -eq 0 ]; then
@@ -581,6 +586,65 @@ function tirm() {
 	unset tirm_confirmation tirm_task_id
 }
 ## }}}
+## Move a time tracking {{{
+function timove() {
+
+	# Define new_start empty by default
+	timove_task_new_start=""
+
+	# Verify argument
+	case "${#}" in
+		1 )
+			## Get the first arg as task ID
+			timove_task_id="${1}"
+			;;
+		2 )
+			## Get the first arg as task ID
+			timove_task_id="${1}"
+
+			## Get the second arg as new start time for the task
+			timove_task_new_start="${2}"
+			;;
+		* )
+			## Ask the user to choose an ID in tasks from the yesterday {{{
+			timew summary from yesterday :ids || return 0
+
+			printf '%b' "Enter the ${MAGENTAB}ID${RESET} of the task to move : "
+			read -r timove_task_id
+			## }}}
+			;;
+	esac
+
+	# If no task with this ID exists in the last month, exit function {{{
+	if ! timew summary :month :ids | grep --quiet -- " @${timove_task_id} "; then
+		printf '%b' "No available task in the last month with ${REDB}${timove_task_id}${RESET} ID."
+		return 1
+	fi
+	# }}}
+
+	# Get task's description from all task of this month
+	local timove_task_desc=$(timew summary :month :ids | sed -n "s/.*@\(${timove_task_id} .*\)/\1/p" | sed 's/   */ − /g')
+
+	# Check or ask for new start time {{{
+	if [ -z "${timove_task_new_start}" ]; then
+			printf '%b' "Enter the ${MAGENTAB}new start time${RESET} (or new date 'YYYY-MM-DD${REDB}T${RESET}HH:MM:SS') for this task : "
+			read -r timove_task_new_start
+	fi
+	# }}}
+
+	printf '%b' "Move \"${MAGENTAB}${timove_task_desc}${RESET}\" to ${REDB}=> ${timove_task_new_start} <=${RESET} [Y/n] ? "
+	read -r timove_confirmation
+
+	# Check confirmation
+	if printf -- '%s' "${timove_confirmation:=y}" | grep --quiet --word-regexp -- "y"; then
+		timew move @"${timove_task_id}" "${timove_task_new_start}" || return 0
+		printf '%b' "${timove_task_desc} was moved to ${timove_task_new_start}."
+	fi
+
+	# Unset defined variables
+	unset timove_confirmation timove_task_id timove_task_new_start
+}
+## }}}
 
 # }}}