How to use the Days Calculator?

1. Start Date: SELECT the start date from the drop-down menu (right side of the field).

2. End Date: SELECT the end date from the drop-down menu (right side of the field).

3. Year 365(6) / Year 360: RESULT. The number of days between the start and end dates is highlighted in yellow. Year 365(6) shows the number of days considering exact years, i.e., years of 365 days or 366 days in leap years. Year 360 shows the number of days considering years approximate to 360 days. Calculations using 360-day years are commonly used in banking or commercial transactions.

4. Future Date: To obtain a future date, add a desired number of days to a given date. Select the date from the drop-down menu (right side of the field). Enter the number of days you wish to project the date into the future in the box preceded by the "+" sign. Note: This calculation is based on exact years, not 360-day years.

5. Date highlighted in yellow (1): RESULT. This is the future date, which corresponds to the starting date plus the specified number of days.

6. Past Date: To obtain a past date, subtract a desired number of days from a given date. Select the date from the drop-down menu (right side of the field). Enter the number of days you wish to back the date into the past in the box preceded by the minus sign (-). Note: This calculation is based on exact years, not 360-day years.

7. Date highlighted in yellow (2): RESULT. This is the past date corresponding to the starting date minus the specified number of days.

8. AC (All Clear): this button clears the input fields.