Date Calculator
Free online date calculators. Calculate days between dates, add or subtract days, find business days, age calculator, and more.
Days Between Dates Calculator
Calculate the number of days, weeks, and months between any two dates.
Add Days to a Date
Add a specific number of days to any date to find the result.
Subtract Days from a Date
Subtract a specific number of days from any date.
Business Days Calculator
Calculate business days (weekdays) between two dates, excluding weekends.
Age Calculator
Calculate your exact age in years, months, and days.
Weekday Calculator
Find out which day of the week a specific date falls on.
FAQ
What is a date calculator?
A date calculator is a tool that performs mathematical operations on dates. It can calculate the number of days between two dates, add or subtract days/months/years from a date, determine what date it will be after a certain time period, and perform various other date-related calculations.
How do I calculate days between two dates?
Enter your two dates into the calculator and select 'Calculate Days Between.' The tool will count all the days between the dates, including or excluding the endpoints depending on your preference. This is useful for tracking project durations, age in days, or time until deadlines.
Can I add months and years to a date?
Yes, our date calculator can add or subtract days, weeks, months, and years from any starting date. This is helpful for scheduling future events, calculating deadlines, or determining when loan payments are due.
Does the calculator account for leap years?
Yes, our calculator properly handles leap years and accounts for the correct number of days in February for each year. It also correctly manages century leap years according to the Gregorian calendar rules.
What formats can I input for dates?
Our calculator accepts multiple date formats including MM/DD/YYYY, DD/MM/YYYY, YYYY-MM-DD, and other common formats. You can also use relative date descriptions like 'today', 'tomorrow', or '3 weeks from now' for convenience.