It is a good idea for you to look at the calendar to see how many days are left until December 17, 2017. Today, December 17th, 2017, is the 350th day of the year. The day is Sunday, in week 50. It falls in the fourth quarter, or Q4 of 2017. It is the last Sunday of the year, so December does not have a leap year, and thus has 365 days.