People are confused as to how to sit shiva and how to properly pay a shiva call. Because people do not know, and because talking about death makes people nervous and awkward, the shiva house often turns into a festive gathering filled with nervous chatter, instead of the proper house of mourning.
The average number of days in a month is around 30.4. With 24 hours in a day, this is an average of about 730 hours per month.
353, 354 or 355 days A Lunar month has in average 29.53 [Lunar month - Wikipedia, the free encyclopedia]. So 12*29.53=354.36 days. In practice lunar years with 12 months will have 354 or 355 days. By rules based on religion the jewish calendar also permits years of 353 days.