diff --git a/zshrc b/zshrc
index d522a4f..3eb7314 100644
--- a/zshrc
+++ b/zshrc
@@ -710,6 +710,65 @@ function tirm() {
 	unset tirm_confirmation tirm_task_id
 }
 ## }}}
+## Modify the end of a time tracking {{{
+function tiend() {
+
+	# Define new_end empty by default
+	tiend_time_new_end=""
+
+	# Verify argument
+	case "${#}" in
+		1 )
+			## Get the first arg as time ID
+			tiend_time_id="${1}"
+			;;
+		2 )
+			## Get the first arg as time ID
+			tiend_time_id="${1}"
+
+			## Get the second arg as new end time for this track
+			tiend_time_new_end="${2}"
+			;;
+		* )
+			## Ask the user to choose an ID in time tracking from the yesterday {{{
+			timew summary from yesterday :ids || return 0
+
+			printf '%b' "Enter the ${MAGENTAB}ID${RESET} of the time tracking to modify : "
+			read -r tiend_time_id
+			## }}}
+			;;
+	esac
+
+	# If no time tracking exists with this ID, exit function {{{
+	if ! timew summary :year :ids | grep --quiet -- " @${tiend_time_id} "; then
+		printf '%b' "No available time tracking in the last year with ${REDB}${tiend_time_id}${RESET} ID."
+		return 1
+	fi
+	# }}}
+
+	# Get time tracking's description from all time tracking of this year
+	local tiend_time_desc=$(timew summary :year :ids | sed -n "s/.*@\(${tiend_time_id} .*\)/\1/p" | sed 's/   */ − /g')
+
+	# Check or ask for new end time {{{
+	if [ -z "${tiend_time_new_end}" ]; then
+			printf '%b' "Enter the ${MAGENTAB}new end time${RESET} (or new date 'YYYY-MM-DD${REDB}T${RESET}HH:MM:SS') for this time tracking : "
+			read -r tiend_time_new_end
+	fi
+	# }}}
+
+	printf '%b' "Change end time of \"${MAGENTAB}${tiend_time_desc}${RESET}\" to ${REDB}=> ${tiend_time_new_end} <=${RESET} [Y/n] ? "
+	read -r tiend_confirmation
+
+	# Check confirmation
+	if printf -- '%s' "${tiend_confirmation:=y}" | grep --quiet --word-regexp -- "y"; then
+		timew modify end @"${tiend_time_id}" "${tiend_time_new_end}" || return 0
+		printf '%b' "End time of ${tiend_time_desc} is now ${tiend_time_new_end}."
+	fi
+
+	# Unset defined variables
+	unset tiend_confirmation tiend_time_id tiend_time_new_end
+}
+## }}}
 ## Move a time tracking {{{
 function timove() {