Enter the value that you want to calculate date.
Date calculator provides you the number of days between two dates. Our date duration calculator helps you find the exact difference between two dates in days, weeks, and months.
Date duration calculator measures the exact time between two dates. To determine the number of days between two dates you need to enter the starting & ending date in month/day/year format. Click on calculate to get exact time difference between two dates in days, weeks, and months.
To use the date duration calculator you need to follow below steps.
Step1:
Open Date Calculator.
Step2:
Enter the Start and End dates in month/date/year format.
Step3:
Click on calculate to get time difference between dates in days, weeks, and months.
| To Convert from Unit | Unit Symbol | and Convert to ( s ) | Multiply by ( s / Unit ) |
|---|---|---|---|
| nanosecond | ns | second | 0.000000001 |
| millisecond | ms | second | 0.001 |
| second | s | second | 1 |
| second (sidereal) | s | second | 0.99726956 |
| minute | min | second | 60 |
| minute (sidereal) | min | second | 59.83617361 |
| hour | h | second | 3600 |
| hour (sidereal) | h | second | 3590.170417 |
| day | d | second | 86400 |
| day (sidereal) | d | second | 86164.09 |
| week | wk | second | 604800 |
| month | mo | second | 2628000 |
| shake | shake | second | 0.00000001 |
| year | yr | second | 31536000 |
| year (sidereal) | yr | second | 31449892.85 |
| decade | dec | second | 315360000 |
| century | c | second | 3153600000 |
| millennium | millennium | second | 31536000000 |