Merge pull request #88 from armada-ths/hampus/fix/timezone

src/lib/utils.ts

@@ -16,11 +16,29 @@ export function formatDate(isoString: string) {
 }
 
 export function formatTimestampAsDate(epochSeconds: number) {
-  const date = DateTime.fromMillis(epochSeconds * 1000)
+  const date = adjustTimezone(
+    DateTime.fromMillis(epochSeconds * 1000, {
+      zone: "Europe/London"
+    })
+  )
   return date.toFormat(getDateFormatString(date))
 }
 
 export function formatTimestampAsTime(epochSeconds: number) {
-  const date = DateTime.fromMillis(epochSeconds * 1000)
+  const date = adjustTimezone(
+    DateTime.fromMillis(epochSeconds * 1000, {
+      zone: "Europe/London"
+    })
+  )
   return date.toFormat("HH:mm")
 }
+
+/**
+ * There is something weird going on with the ais timestamp,
+ * making luxon think we're in the wrong timezone, this way
+ * we force it to be sweden specific.
+ */
+function adjustTimezone(date: DateTime) {
+  if (date.setZone("Europe/Stockholm").isInDST) return date.setZone("UTC-2")
+  return date.setZone("UTC-1")
+}