fix dates

public/index.js

@@ -8,13 +8,13 @@ timeUtcSpan.innerText = new Date()
 // .toLocaleTimeString(["en-UK"], { hour: "2-digit", minute: "2-digit" });
 
 const weekDayNames = [
+    "Sunday",
     "Monday",
     "Tuesday",
     "Wednesday",
     "Thursday",
     "Friday",
     "Saturday",
-    "Sunday",
 ];
 
 const monthNames = [
@@ -32,29 +32,37 @@ const monthNames = [
     "December",
 ];
 
+const utcWeekDayName = (utcDate) => weekDayNames[utcDate.getUTCDay()];
+const utcDayOfMonth = (utcDate) => utcDate.getUTCDate();
+const utcMonthName = (utcDate) => monthNames[utcDate.getUTCMonth()];
+
+const utcDateFromString = (dateString) =>
+    new Date(
+        new Date(dateString).getTime() -
+            new Date().getTimezoneOffset() * 60 * 1000,
+    );
+
 async function makeScheduleTable() {
     const timeslotData = await fetch("timeslots.json")
         .then((res) => res.json());
 
+    console.log(timeslotData);
+
     const timeslots = timeslotData
         .map(({ date, times }) => ({
             dateString: date,
-            // yea soo this hack makes the Date UTC
-            date: new Date(
-                new Date(date).getTime() -
-                    new Date().getTimezoneOffset() * 60 * 1000,
-            ),
+            date: utcDateFromString(date),
             times,
         }))
         .toSorted((a, b) => a.date.getTime() - b.date.getTime());
 
+    console.log(timeslots);
+
     let tableHtml = `<tr>
         ${
         timeslots.map((ts) =>
-            `<th>${
-                weekDayNames[ts.date.getUTCDay()]
-            } ${ts.date.getUTCDate()}. ${
-                monthNames[ts.date.getUTCMonth()]
+            `<th>${utcWeekDayName(ts.date)} ${utcDayOfMonth(ts.date)}. ${
+                utcMonthName(ts.date)
             }</th>`
         )
             .join("")