This would make sense -- the "Z" is suffix that probably specifies "Zulu Time", which typically known as Universal Time (aka GMT) which typically has the TZID of 0

>i think i solved it. the 'Z' at the end of the datetime. (DTSTART:20161108T080000Z)
> if i don't use it, the time is correct in the calendar
>
>that's what I get for copy and past from the official specs :-((
>
>thanks all
>
>Peter
>
>
>>If you notice, the time difference between 8AM and 3AM is 5 hours -- which I believe would be time offset from Eastern Standard Time and Universal Time (aka GMT).
>>
>>Another item is that with local time -- in particular if there is a possibility of Daylight Saving -- then you could have a 1-hour window where there is an ambiguity (when the rollback from Daylight Time to Standard Time occurs). Given that, it's probably likely that you'll need to provide the time in Universal Time (aka GMT).
>>
>>>isn't that wwhat

TZID:US-Eastern

is supposed to take care of??
>>>
>>>
>>>
>>>
>>>
>>>
>>>>DTSTART/END are probably expected as GMT
>>>>
>>>>>I need to create a calendering object as specified in RFC2445 which by itself is very hard to understand
>>>>>

>>>>>BEGIN:VCALENDAR
>>>>>PRODID:-//Microsoft Corporation//Outlook 11.0 MIMEDIR//EN
>>>>>VERSION:2.0
>>>>>METHOD:PUBLISH
>>>>>BEGIN:VEVENT
>>>>>TZID:US-Eastern
>>>>>ORGANIZER:MAILTO:john.doe@ct.gov
>>>>>DTSTART:20161108T080000Z
>>>>>DTEND:20161108T140000Z
>>>>>LOCATION:Warner Center                                                                                                                                         
>>>>>TRANSP:OPAQUE
>>>>>SEQUENCE:0
>>>>>DTSTAMP:20161108T080000Z
>>>>>DESCRIPTION:NEW YORK ROUNDTABLE FORUM                                                                                                                                                                                                                       \nFor your Calendar\n\n
>>>>>SUMMARY:NEW YORK ROUNDTABLE FORUM                                                                                                                                                                                                                       
>>>>>PRIORITY:5
>>>>>X-MICROSOFT-CDO-IMPORTANCE:1
>>>>>CLASS:PUBLIC
>>>>>END:VEVENT
>>>>>END:VCALENDAR
>>>>>

>>>>>this creates the following in outlook (see upload)
>>>>>
>>>>>the time is not 8am as specified in the ics but 3am !!!
>>>>>also outlook does not ask for accept/deciline as it does with its own event invitations
>>>>>
>>>>>what a i doing wrong??
>>>>>
>>>>>Thanks
>>>>>
>>>>>Peter