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我正在創建谷歌vcalender ICS文件，並使用PHP發送電子郵件。谷歌vcalender顯示錯誤的時間
但我面臨的問題是時間沒有正確顯示在谷歌日曆。 在我的例子中，我已經將時間作爲01:00:00 AM（IST）傳遞，但是當我導入顯示12am（IST）的ics文件日曆時。
當我將我的谷歌日曆設置時區更改爲美國（美國東部時間）時，顯示時間爲下午1:30（東部標準時間），但應該是下午2:30（東部標準時間）。
我的代碼有什麼問題？
這是我的PHP代碼生成ics文件和發送電子郵件：
$user_timezone = dynamic timezone; // my timezone = Asia/Kolkata
$demo_date = 2014-12-05;
$demo_time = 01:00:00 AM;
$meeting_date = $demo_date .' '.$demo_time;
date_default_timezone_set($user_timezone);
$date = date('Y-m-d H:i:s A', strtotime($meeting_date));
// Event time stamp
$timestamp = strtotime(date($meeting_date));
// Event start date and end date
$start_date = date('Ymd', strtotime($meeting_date)) ."T". date('H:i:s A', $timestamp);
$end_date = date('Ymd', strtotime($meeting_date)) ."T". date('H:i:s A', $timestamp);
//calender unique ID
$cal_uid = date('Ymd').'T'.date('His')."-".rand();
//Message send to Calender
$ical = "BEGIN:VCALENDAR\n";
$ical .= "VERSION:2.0\n";
$ical .= "PRODID:-//Forest//Forest Inquiry v1.0//EN\n";
$ical .= "CALSCALE:GREGORIAN\n";
$ical .= "METHOD:PUBLISH\n";
$ical .= "X-WR-CALNAME:Forest Inquiry\n";
$ical .= "X-MS-OLK-FORCEINSPECTOROPEN:TRUE\n";
$ical .= "BEGIN:VTIMEZONE\n";
$ical .= "X-WR-TIMEZONE:{$user_timezone}\n";
$ical .= "TZID:{$user_timezone}\n";
$ical .= "TZURL:http://tzurl.org/zoneinfo-outlook/{$user_timezone}\n";
$ical .= "X-LIC-LOCATION:{$user_timezone}\n";
$ical .= "END:VTIMEZONE\n";
$ical .= "BEGIN:VEVENT\n";
$ical .= "DTSTAMP:".date('Ymd\THis\Z')."\n";
$ical .= "DTSTART;TZID={$user_timezone}:{$start_date}\n";
$ical .= "DTEND;TZID={$user_timezone}:{$end_date}\n";
$ical .= "STATUS:CONFIRMED\n";
$ical .= "SUMMARY:{$subject}\n";
$ical .= "DESCRIPTION:{$meeting_description}\n";
$ical .= "ORGANIZER;CN=Forest:MAILTO:[email protected]\n";
$ical .= "CLASS:PUBLIC\n";
$ical .= "CREATED:{$start_date}Z\n";
$ical .= "LOCATION:{$meeting_location}\n";
$ical .= "URL:\n";
$ical .= "SEQUENCE:1\n";
$ical .= "LAST-MODIFIED:".date('Ymd\THis\Z')."\n";
$ical .= "UID:{$subject}[email protected].com\n";
$ical .= "END:VEVENT\n";
$ical .= "END:VCALENDAR";
$file_name = 'XYZ'.$first_name;
// Mail parameters
$newline = "\r\n";
$headers = "From:test\n";
$headers .= "MIME-Version: 1.0\n";
$headers .= "Content-Type: text/calendar; charset=utf-8; name=$file_name.ics; method=REQUEST".$newline;
$headers .= "Content-Disposition: inline; filename=$file_name.ics".$newline;
$headers .= "Content-Transfer-Encoding: 7bit";
mail('[email protected]', $subject, $ical, $headers);
這裏是我的ICS文件：
BEGIN:VCALENDAR
VERSION:2.0
PRODID:-//Forest//Forest Inquiry v1.0//EN
CALSCALE:GREGORIAN
METHOD:PUBLISH
X-WR-CALNAME:Forest Inquiry
X-MS-OLK-FORCEINSPECTOROPEN:TRUE
BEGIN:VTIMEZONE
TZID:Asia/Kolkata
TZURL:http://tzurl.org/zoneinfo-outlook/Asia/Kolkata
X-LIC-LOCATION:Asia/Kolkata
END:VTIMEZONE
BEGIN:VEVENT
DTSTAMP:20141205T104434Z
DTSTART;TZID=Asia/Kolkata:20141211T053000
DTEND;TZID=Asia/Kolkata:20141211T053000
STATUS:CONFIRMED
SUMMARY:Forest Inquiry by testing Testing
DESCRIPTION:First Name :testing\n
ORGANIZER;CN=Forest:MAILTO:[email protected]
CLASS:PUBLIC
CREATED:20141211T053000Z
LOCATION:At Forest
URL:
SEQUENCE:1
LAST-MODIFIED:20141205T104434Z
UID:Forest Inquiry by testing [email protected]
END:VEVENT
END:VCALENDAR