Update

src/lib/EventSchedule.svelte

@@ -1,5 +1,5 @@
 <script>
-  import { format, formatDistanceToNow } from "date-fns";
+  import { formatCET } from "$lib/utils.js";
   import { cs } from "date-fns/locale/index.js";
 
   export let item;
@@ -14,6 +14,6 @@
 </script>
 
 <div class="font-semibold">
-  {format(start, "yyyy-MM-dd") === "2022-06-04" ? "SO" : "NE"}
-  {format(start, "HH:mm")}-{format(end, "HH:mm")} ({stage ? stage.name : "n/a"})
+  {formatCET(start, "yyyy-MM-dd") === "2022-06-04" ? "SO" : "NE"}
+  {formatCET(start, "HH:mm")}-{formatCET(end, "HH:mm")} ({stage ? stage.name : "n/a"})
 </div>

src/lib/periods.js

@@ -1,5 +1,7 @@
 import { format, addDays } from "date-fns";
 
+const TZoffset = new Date().getTimezoneOffset()
+
 export function parsePeriod(bundle, str) {
     const [dayNumber, times, name] = str.split("/");
     const [start, end] = times.split("-");
@@ -10,8 +12,8 @@ export function parsePeriod(bundle, str) {
       date,
       name,
       period: {
-        start: new Date(`${date}T${start}`),
-        end: new Date(`${endDate}T${end}`),
+        start: new Date(`${date}T${start}+02:00`),
+        end: new Date(`${endDate}T${end}+02:00`),
       },
     };
   }

src/lib/utils.js

@@ -0,0 +1,12 @@
+import { format, compareAsc, compareDesc } from "date-fns";
+
+const TZoffset = new Date().getTimezoneOffset()
+
+export function formatCET (...args) {
+
+  if (TZoffset !== -120) {
+    const co = (120-(-TZoffset))
+    args[0] = new Date(args[0].getTime() + (co*60*1000))
+  }
+  return format(...args)
+}

src/routes/program.svelte

@@ -7,6 +7,7 @@
   import { goto } from "$app/navigation";
   import { page } from "$app/stores";
   import { format, compareAsc, compareDesc } from "date-fns";
+  import { formatCET } from '$lib/utils.js';
   import { bundle, userData, loadInfo, schedulePref } from "$lib/stores.js";
   import { cs } from "date-fns/locale/index.js";
   import { parsePeriod } from "$lib/periods.js";
@@ -165,7 +166,7 @@
           }
         }
       }
-      arr.push({ title: format(time, "HH:mm"), stages });
+      arr.push({ title: formatCET(time, "HH:mm"), stages });
       time = new Date(time.getTime() + 30 * 60 * 1000);
     }
     return arr;
@@ -407,7 +408,7 @@
           {#if st.name}
             {st.name}
           {:else}
-            {format(new Date(st.date), "iiii d.M.y", { locale: cs })}
+            {formatCET(new Date(st.date), "iiii d.M.y", { locale: cs })}
           {/if}
         </h2>
         <div class="inline-block ml-2 text-sm font-normal my-auto print:hidden">
@@ -420,7 +421,7 @@
         <div
           class="flex-1 text-right hidden sm:block float-right text-blue-web/50"
         >
-          Zdrojová data: {format(new Date($bundle.time), "d.M.y H:mm")}
+          Zdrojová data: {formatCET(new Date($bundle.time), "d.M.y H:mm")}
         </div>
       </div>
       <div class="relative">
@@ -432,8 +433,8 @@
               <tr>
                 <th
                   class="xl:w-16 top-0 sticky bg-white uppercase text-sm px-0.5 text-custom-blue"
-                  >{format(new Date(st.date), "iiiiii", { locale: cs })}<br
-                  />{format(new Date(st.date), "d.M.")}</th
+                  >{formatCET(new Date(st.date), "iiiiii", { locale: cs })}<br
+                  />{formatCET(new Date(st.date), "d.M.")}</th
                 >
                 {#each activeStages($bundle, $bundle.spec.stages, st, plan) as stage}
                   {#if $schedulePref && ($schedulePref.stage === stage.id || $schedulePref.stage === "all")}
@@ -487,10 +488,10 @@
                           >
                             <div class="px-2 py-1 mb-1 mt-1">
                               <div class="text-xs">
-                                {format(
+                                {formatCET(
                                   new Date(si.period.start),
                                   "HH:mm"
-                                )}-{format(new Date(si.period.end), "HH:mm")}
+                                )}-{formatCET(new Date(si.period.end), "HH:mm")}
                                 <span class="text-blue-web/80">@{si.id}</span>
                                 {#if event.track}[{#each [$bundle.spec.tracks.find((t) => t.id === event.track)] as track}{track.shortname ||
                                       track.name}{/each}]{/if}