*Numbr of Days between Two Dates Calculator* is an online calendar tool to calculate how many days between two given dates. Without tools, calculating number of days between two given dates is bit complicated as because the number days variation between the Gregorian calender months (some calender month would have either 30 days or 31 days or 28 days or 29 days in leap year).

To calculate the number of days between two Gregorian calender dates,

1. select the reference date from which you would like to calculate the number of days.

2. Select the To date to util you would like to calculate the number of days.

3. Click on the Calculate button.

The calender provided with this tool to select the From & To date is the Gregorian calender contains 12 months ranging from January to December.