From c625f2f3519d7d4d82dee607465cfa00852190e8 Mon Sep 17 00:00:00 2001
From: Mic <m@micz.it>
Date: Fri, 10 Apr 2026 01:01:00 +0200
Subject: [PATCH] allowing different date time formats. see #737

---
 js/mzta-menus.js | 19 +++++++++++++++++--
 js/mzta-utils.js | 10 ++++++++++
 2 files changed, 27 insertions(+), 2 deletions(-)

diff --git a/js/mzta-menus.js b/js/mzta-menus.js
index 1c86f99e..32a8ef2d 100644
--- a/js/mzta-menus.js
+++ b/js/mzta-menus.js
@@ -31,6 +31,7 @@ import {
     getMailSubject,
     getTagsList,
     extractJsonObject,
+    normalizeDateTimeString,
     convertNewlinesToBr,
     cleanupNewlines,
     checkIfTagLabelExists,
@@ -333,6 +334,13 @@ export class mzta_Menus {
                             taWorkingStatus.stopWorking();
                             return {ok:'0'};
                         }
+                        // Normalize date strings returned by the LLM
+                        if (calendar_event_data_obj.startDate) {
+                            calendar_event_data_obj.startDate = normalizeDateTimeString(calendar_event_data_obj.startDate);
+                        }
+                        if (calendar_event_data_obj.endDate) {
+                            calendar_event_data_obj.endDate = normalizeDateTimeString(calendar_event_data_obj.endDate);
+                        }
                         // Timezone management
                         calendar_event_data_obj.use_timezone = false;
                         if(prefs_at.calendar_enforce_timezone){
@@ -405,10 +413,17 @@ export class mzta_Menus {
                         let task_data_obj = {};
                         try{
                             task_data_obj = extractJsonObject(task_data);
-                            if (!task_data_obj.dueDate || isNaN(Date.parse(task_data_obj.dueDate)) || task_data_obj.dueDate == '' ) {
+                            // Normalize date strings returned by the LLM
+                            if (task_data_obj.dueDate) {
+                                task_data_obj.dueDate = normalizeDateTimeString(task_data_obj.dueDate);
+                            }
+                            if (task_data_obj.InitialDate) {
+                                task_data_obj.InitialDate = normalizeDateTimeString(task_data_obj.InitialDate);
+                            }
+                            if (!task_data_obj.dueDate) {
                                 delete task_data_obj.dueDate;
                             }
-                            if (!task_data_obj.InitialDate || isNaN(Date.parse(task_data_obj.InitialDate)) || task_data_obj.InitialDate == '' ) {
+                            if (!task_data_obj.InitialDate) {
                                 delete task_data_obj.InitialDate;
                             }
                         }catch(err){
diff --git a/js/mzta-utils.js b/js/mzta-utils.js
index 003733f4..3392dfb3 100644
--- a/js/mzta-utils.js
+++ b/js/mzta-utils.js
@@ -645,6 +645,16 @@ export function extractJsonObject(inputString) {
   }
 }
 
+export function normalizeDateTimeString(str) {
+  if (!str || typeof str !== 'string') return null;
+  str = str.trim();
+  // Accept any non-digit separator (or none) between date/time components
+  const match = str.match(/^(\d{4})\D?(\d{2})\D?(\d{2})\D?(\d{2})\D?(\d{2})\D?(\d{2})(Z?)$/);
+  if (!match) return null;
+  const [, y, mo, d, h, mi, s, z] = match;
+  return `${y}${mo}${d}T${h}${mi}${s}${z}`;
+}
+
 export function isAPIKeyValue(id){
   return id.endsWith('_api_key');
 }