Date Calculator
Add or subtract days, weeks, months, and years from any date. Calculate business days and date differences.
Comprehensive Date Calculations
Powerful date arithmetic and business day calculations for all your planning needs
Add/Subtract
Days, weeks, months, years
Business Days
Exclude weekends & holidays
Date Difference
Calculate time between dates
Time Periods
Multiple time units
Add/Subtract Time from Date
MM/DD/YYYY
Select a starting date and time period to calculate the result date
Business Days Calculator
Calculate business days (excluding weekends)
MM/DD/YYYY
Enter start date and number of business days to calculate the end date
Date Difference Calculator
Calculate the difference between two dates
MM/DD/YYYY
MM/DD/YYYY
Select two dates to calculate the difference between them
Day of Week Calculator
Find what day of the week any date falls on
MM/DD/YYYY
Select a date to find out what day of the week it falls on
Date Calculator Features
- Add or subtract any time period from dates
- Calculate business days excluding weekends
- Find exact differences between dates
- Determine day of the week for any date
- Handle leap years and month variations
- Multiple time units: days, weeks, months, years