Birthstones by Month December: Honoring Traditions and Future Goals The last month of the Gregorian calendar, December, is filled with cold winds, hot beverages, celebrations, Christmas Eve, the start of a new year, and birthstones by month. We may make memories, appreciate the beauty of every movement, and motivate ourselves with fresh goals during this time of year. It also pulls us into a world where the magic of winter has taken over, where each snowflake bears a hint of the season's beauty, as December, the last month, begins. Therefore, December babies, let's enjoy the year's conclusion with a rush of creativity, a heart full of thankfulness, and birthstones by month December without spending any more time.