diff --git a/zshrc b/zshrc
index 3eb7314..b8a45e9 100644
--- a/zshrc
+++ b/zshrc
@@ -749,9 +749,12 @@ function tiend() {
 	# 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')
 
+	# Get time tracking's start day from all time tracking
+	local tiend_time_start_day=$(timew export | sed -nE "s/^\{\"id\":${tiend_time_id},\"start\":\"([0-9]{4})([0-9]{2})([0-9]{2})T.*end.*/\1-\2-\3/p")
+
 	# 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 : "
+			printf '%b' "Enter the ${MAGENTAB}new end time${RESET} (or new date 'YYYY-MM-DD${REDB}T${RESET}HH:MM:SS'; default day is ${tiend_time_start_day}) for this time tracking : "
 			read -r tiend_time_new_end
 	fi
 	# }}}
@@ -761,8 +764,14 @@ function tiend() {
 
 	# 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 ${tiend_time_new_end}."
+		## If the new end time entered by user contains a "T" (user enter a dateTtime)
+		if printf -- '%s' "${tiend_time_new_end}" | grep --quiet -- "T"; then
+			timew modify end @"${tiend_time_id}" "${tiend_time_new_end}" || return 0
+			printf '%b' "End time of ${tiend_time_desc} is now ${tiend_time_new_end}."
+		else
+			timew modify end @"${tiend_time_id}" "${tiend_time_start_day}T${tiend_time_new_end}" || return 0
+			printf '%b' "End time of ${tiend_time_desc} is now ${tiend_time_start_day}T${tiend_time_new_end}."
+		fi
 	fi
 
 	# Unset defined variables