Free Date Calculator
Calculate date differences, add or subtract days, and count business days with our free tool. Find ages and time between dates.
- Calculate days, weeks, months, and years between dates
- Add or subtract time from any date
- Business day calculations excluding weekends
- Age calculator with precise years, months, and days
- Countdown to future dates
- Holiday exclusion options for business calculations
Frequently Asked Questions
How are business days calculated?
Business days exclude Saturdays and Sundays by default. You can also exclude specific holidays or custom dates from the calculation for more accurate project planning.
Can I calculate age precisely?
Yes! Enter a birth date to get exact age in years, months, and days. The calculator also shows total days lived and upcoming birthday countdown.
Does it account for leap years?
Absolutely. All calculations properly handle leap years, varying month lengths, and even leap seconds for precise date arithmetic.