From c996cd03e7cccb3da522e572f6ed284529967d82 Mon Sep 17 00:00:00 2001
From: Bron Gondwana <brong@fastmail.fm>
Date: Thu, 4 Jan 2018 11:00:32 +1100
Subject: [PATCH] alerts: add VTIMEZONE

---
 data/icalendar/alerts.ics | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)

diff --git a/data/icalendar/alerts.ics b/data/icalendar/alerts.ics
index c06793fe8..1e3c5d1ce 100644
--- a/data/icalendar/alerts.ics
+++ b/data/icalendar/alerts.ics
@@ -2,6 +2,24 @@ BEGIN:VCALENDAR
 VERSION:2.0
 PRODID:-//Apple Inc.//Mac OS X 10.9.5//EN
 CALSCALE:GREGORIAN
+BEGIN:VTIMEZONE
+TZID:Europe/Vienna
+X-LIC-LOCATION:Europe/Vienna
+BEGIN:DAYLIGHT
+TZOFFSETFROM:+0100
+TZOFFSETTO:+0200
+TZNAME:CEST
+DTSTART:19700329T020000
+RRULE:FREQ=YEARLY;BYMONTH=3;BYDAY=-1SU
+END:DAYLIGHT
+BEGIN:STANDARD
+TZOFFSETFROM:+0200
+TZOFFSETTO:+0100
+TZNAME:CET
+DTSTART:19701025T030000
+RRULE:FREQ=YEARLY;BYMONTH=10;BYDAY=-1SU
+END:STANDARD
+END:VTIMEZONE
 BEGIN:VEVENT
 TRANSP:TRANSPARENT
 DTSTART;TZID=Europe/Vienna:20160928T160000