Lunar calendar or crescent moons and others employing detailed calculations. Since each lunation is approximately days (29 days, 12 hours, 44 minutes, 3 seconds, or days), it is common for the months of a lunar calendar to alternate between 29 and 30 days. Since the period of twelve such lunations, a lunar year, is only 354 days, 8 hours, 48 minutes, 34 seconds ( days), purely lunar calendars lose around 11 days per year relative to the Gregorian calendar. In purely lunar calendars like the Islamic calendar, the lack of intercalation causes the lunar months to cycle through all the seasons of
How to Lose a Guy in 10 Days "Isadora Diamond" named after Isadora Duncan. The 80-carat yellow diamond in the necklace was designed by Harry Winston and is worth $6 million. "How to Lose a Guy in 10 Days" received mixed reviews from critics. Metacritic gave the film a score of 45 out of 100, based on 31 critics, indicating "mixed or average reviews". Rotten Tomatoes gave the film a rating of 42%, based on 149 reviews, with an average rating of 5/10. The site's critical consensus reads:"Matthew McConaughey and Kate Hudson are charming together, but they can't overcome "How to Lose a Guy in 10 Days"' silly