DATE & TIME CALCULATORS
Date Calculator
Calculate the time between two dates, or add and subtract days from a date.
How to Use the Date Calculator
Use the Date Calculator to find the amount of time between two dates or calculate a future or past date by adding or subtracting a specific number of days.
Calculate the Difference Between Two Dates
Select the Date Difference option, enter a start date and an end date, and the calculator will show the difference in years, months, and days. It also shows the total number of days and weeks between the dates.
Add Days to a Date
Select Add Days, choose a starting date, and enter the number of days you want to add. The calculator will show the resulting date.
Subtract Days from a Date
Select Subtract Days, choose a starting date, and enter the number of days to subtract. The calculator will calculate the resulting date.
Date Calculator Example
For example, if you want to find the number of days between January 1 and January 31, enter January 1 as the start date and January 31 as the end date. The calculator will show the time between the two dates along with the total number of days.
Frequently Asked Questions
How do I calculate the number of days between two dates?
Enter the starting date and ending date in the Date Difference calculator. The calculator will calculate the total number of days between them.
How many days are between two dates?
Enter both dates into the calculator to determine the exact number of days between them.
How do I calculate a date after a certain number of days?
Select Add Days, enter the starting date and the number of days, and the calculator will return the resulting date.
How do I calculate a date before a certain number of days?
Select Subtract Days, enter the starting date and number of days, and the calculator will calculate the date that many days earlier.