What a view date is, is by it's very nature not in a feed author's control [2].
It is in the author's control if we allow the author to provide a display date.
When an author is posting at 3am local time, or during Ramadan, the author's view of the date matters, and should normally be preferred.
-- Asbjørn Ulsberg -=|=- asbjornu@xxxxxxxxxxx «He's a loathsome offensive brute, yet I can't look away»