Kibajo I know your comment is over a year old, but I do agree with your sentiment about a paper diary. When I go back to previous entries, it's jarring to read the last entry of the day first, and view the day from finish to start.
timo Seeing as Diarium is a diary or journal in digital form, taking the best bits and overcoming the limitations of a paper diary, I find it hard to understand why a the day's entries run from latest entry to earliest, especially seeing as the thumbnail on the calendar date is from the day's first entry. If the logic is to be consistent, then shouldn't today's date in the calendar view also have previous dates below and future dates above?