src/components/utils/IsoDateInput.vue

@@ -127,7 +127,7 @@ export default defineComponent({
     }
 
     function modifyDate(v: string, d: Date | undefined = props.modelValue) {
-      if (!d) d = new Date();
+      if (!d) d = q_date.buildDate({ hours: 0, minutes: 0, seconds: 0 });
       if (/^\d{4}-\d\d-\d\d$/.test(v)) {
         const split = v.split('-');
         return q_date.adjustDate(d, {

src/utils/datetime.ts

@@ -17,8 +17,12 @@ export function formatDateTime(
   return dateTimeFormat.format(date);
 }
 
+export function asDate(date?: Date) {
+  return date ? formatDateTime(date, true) : '';
+}
+
 export function asHour(date?: Date) {
-  if (date) return formatDateTime(date, false, true);
+  return date ? formatDateTime(date, false, true) : '';
 }
 
 export function startOfWeek(date: Date, startMonday = true) {