BEGIN:VCALENDAR
VERSION:2.0
PRODID:-//kitap.tatar.ru
CALSCALE:GREGORIAN
BEGIN:VTIMEZONE
TZID:Europe/Moscow
TZURL:http://tzurl.org/zoneinfo-outlook/Europe/Moscow
BEGIN:STANDARD
TZOFFSETFROM:+0300
TZOFFSETTO:+0300
TZNAME:MSK
DTSTART:19700101T000000
END:STANDARD
END:VTIMEZONE
BEGIN:VEVENT
UID:1519
DTSTART;TZID="Europe/Moscow":20170104T100000
DTEND;TZID="Europe/Moscow":20170104T110000
SUMMARY:Event  "the day last December"
DESCRIPTION:04.01.2017 library invites kids on a Christmas holiday, "the day last December". 
LOCATION:Библиотека
END:VEVENT
END:VCALENDAR