From 237a73977ce5e28e18561861169c08d8df75f2c6 Mon Sep 17 00:00:00 2001
From: Kim Huebel <dg9vh@darc.de>
Date: Fri, 23 Apr 2021 22:25:46 +0100
Subject: [PATCH] correct timezone CEST instead of EET

---
 html/js/functions.js | 12 ++++++++++++
 html/js/version.js   |  2 +-
 2 files changed, 13 insertions(+), 1 deletion(-)

diff --git a/html/js/functions.js b/html/js/functions.js
index 107d4f5..884f321 100644
--- a/html/js/functions.js
+++ b/html/js/functions.js
@@ -84,6 +84,16 @@ function checkConfigStructure() {
 	}
 }
 
+Date.prototype.stdTimezoneOffset = function () {
+	var jan = new Date(this.getFullYear(), 0, 1);
+	var jul = new Date(this.getFullYear(), 6, 1);
+	return Math.max(jan.getTimezoneOffset(), jul.getTimezoneOffset());
+}
+
+Date.prototype.isDstObserved = function () {
+	return this.getTimezoneOffset() < this.stdTimezoneOffset();
+}
+
 function getTimezone() {
 	if (useClientTimezone) {
 		var d = new Date();
@@ -104,6 +114,8 @@ function getTimezone() {
 			timezone = timezonenames[offset];
 		}
 
+		if (d.isDstObserved() && timezone == "EET")
+			timezone = "CEST";
 		return timezone;
 	} else {
 		return "UTC";
diff --git a/html/js/version.js b/html/js/version.js
index bb3ead7..c7738c1 100644
--- a/html/js/version.js
+++ b/html/js/version.js
@@ -1 +1 @@
-var dashboard_version = "2021-04-22 19:08:37";
+var dashboard_version = "2021-04-23 22:25:46";