The total number of days between Thursday, January 1st, 1998 and Wednesday, August 16th, 2017 is 7,167 days.
This is equal to 19 years, 7 months, and 15 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 7,168 days.
If you're counting workdays or weekends, there are 5,119 weekdays and 2,048 weekend days.
If you include the end date of Aug 16, 2017 which is a Wednesday, then there would be 5,120 weekdays and 2,048 weekend days including both the starting Thursday and the ending Wednesday.
7,167 days is equal to 1,023 weeks and 6 days.
The total time span from 1998-01-01 to 2017-08-16 is 172,008 hours.
This is equivalent to 10,320,480 minutes.
You can also convert 7,167 days to 619,228,800 seconds.
January 1st, 1998 is a Thursday. It is the 1st day of the year, and in the 1st week of the year (assuming each week starts on a Monday), or the 1st quarter of the year. There are 31 days in this month. 1998 is not a leap year, so there are 365 days in this year. The short form for this date is 1/1/1998.
August 16th, 2017 is a Wednesday. It is the 228th day of the year, and in the 33rd week of the year (assuming each week starts on a Monday), or the 3rd quarter of the year. There are 31 days in this month. 2017 is not a leap year, so there are 365 days in this year. The short form for this date used in the United States is 8/16/2017, and almost everywhere else in the world it's 16/8/2017.
This site provides an online date calculator to help you find the difference in the number of days between any two calendar dates. Simply enter the start and end date to calculate the duration of any event. You can also use this tool to determine how many days have passed since your birthday, or measure the amount of time until your baby's due date. The calculations use the Gregorian calendar, which was created in 1582 and later adopted in 1752 by Britain and the eastern part of what is now the United States. For best results, use dates after 1752 or verify any data if you are doing genealogy research. Historical calendars have many variations, including the ancient Roman calendar and the Julian calendar. Leap years are used to match the calendar year with the astronomical year. If you're trying to figure out the date that occurs in X days from today, switch to the Days From Now calculator instead.