Onyx is the birthstone for December in the old Tibetan calendar. This December birthstone is also the zodiac stone for Capricorn, as well as the zodiac signâs talismanic stone. Onyx is a banded chalcedony of black and white, though black is the December stoneâs most popular color.
2080 is full time, 40 hours per week, 52 weeks per year. 2000 considers the 10 national holidays. 1980 is the figure that is being used in the acquisition which I am supporting. I questioned the rationale of using 49.5 weeks (1980/40) as a Person Year because it not only breaks a week in half, it breaks a day in half.
December: 744. 730.5 hours average per month for a 4 year period which includes 1 leap year. That would depend on the month as there are months with 30, 31 and 28 days. Multiply the number of days of the month you want by 24 hrs per day. 730.5 hours average per month for a 4 year period which includes 1 leap year. That would depend on the month as there are months with 30, 31 and 28 days.