diff --git a/src/services/helper.service.js b/src/services/helper.service.js
index 378cf99..5557856 100644
--- a/src/services/helper.service.js
+++ b/src/services/helper.service.js
@@ -64,13 +64,17 @@ export const helperService = {
    * @returns Date as string in the used format
    */
   toISODate(date) {
-    var timezoneOffset = date.getMinutes() + date.getTimezoneOffset();
-    var timestamp = date.getTime() + timezoneOffset * 1000;
-    var correctDate = new Date(timestamp);
-
-    correctDate.setUTCHours(0, 0, 0, 0);
-
-    return correctDate.toISOString();
+    return (
+      date.getFullYear() +
+      "-" +
+      (date.getMonth() + 1).toString().padStart(2, "0") +
+      "-" +
+      date
+        .getDate()
+        .toString()
+        .padStart(2, "0") +
+      "T00:00.000Z"
+    );
   },
 
   /**
@@ -81,6 +85,7 @@ export const helperService = {
    * @returns Date as string in YYYY-MM-DD format
    */
   toISODateOnly(date) {
+    console.log(helperService.toISODate(date));
     return helperService.toISODate(date).substring(0, 10);
   },