Find a specific business date and calculate the working days in a given period. The Date Calculator adds or subtracts days, weeks, months and years from a given date. Find out how many days are there between calendar dates, number of days since an event, from a given date, or until a date. As a date difference calculator outputs weeks, months, and years between dates. Free day counter to calculate the number of days between two dates, including the number of working days, weekends, and holidays. Enter the past date you want to count from. The calculator uses today's date as the end point and computes days passed. Use Include last day to count the starting date. Results update in real-time. Enable Include time for precise results down to hours, minutes, and seconds. The Time Duration Calculator will calculate the time that has elapsed/difference between two dates with time. Days until Halloween or New Year — fixed dates, the same trick as Christmas. Days until Easter — it moves every year, so look up this year's date first, then count to it. Deadlines: the number of days remaining is a far more sobering unit than about a month. Anniversaries and streaks — days since a quit date, a wedding, a first run. This free date calculator computes the difference between two dates. It can also add to or subtract from a date. Both can deal with business days and holidays. To use the Days Calculator, you just need to pick first the operation you want to use - add days, subtract days or get the days between two dates. You just need to enter the values on corresponding inputs and click on Calculate button. Here's a more detailed step by step guide. You can use this tool to calculate exactly how many days have passed since a client last paid an invoice. Open the Settings menu to filter out holidays and set the day tracker to count only business days. Time and Date Calculator Find the exact difference between two dates or times, or add and subtract days, weeks, months, and years from a date. It gets leap years, uneven months, and daylight saving changes right, so you don't have to.