Convert Dates

Number of days between November 9, 2017 and September 14, 2018

The total number of days between Thursday, November 9, 2017 and Friday, September 14, 2018 is 309 days.

This does not include the end date, so it's accurate if you're measuring your age in days, or the total days between the start and end date. But if you want the duration of an event that includes both the starting date and the ending date, then it would actually be 310 days.

If you're counting workdays or weekends, there are 222 weekdays and 88 weekdays.

November 9, 2017 is a Thursday. It is the 313rd day of the year, and in the 45th week of the year (assuming each week starts on a Sunday), or the 4th quarter of the year. There are 30 days in this month. 2017 is a leap year, so there are 365 days in this year. The short form for this date used in the United States is 11/09/2017, and almost everywhere else in the world it's 09/11/2017.

September 14, 2018 is a Friday. It is the 257th day of the year, and in the 37th week of the year (assuming each week starts on a Sunday), or the 3rd quarter of the year. There are 30 days in this month. 2018 is a leap year, so there are 365 days in this year. The short form for this date used in the United States is 09/14/2018, and almost everywhere else in the world it's 14/09/2018.