Date Calculator
Add or subtract days, weeks, months, or years from any date. The most flexible date calculator for all your planning needs.
Computational Framework
The calculator adds or subtracts your chosen number of days, weeks, months, or years from the start date. It handles leap years and different month lengths automatically. Great for deadline planning, contract dates, and scheduling.
Practical Applications
Project Planning
Calculate milestone positions, sprint boundaries, delivery estimates.
Legal Deadlines
Determine filing windows, notice periods, statute limitations.
Personal Events
Plan celebrations, vacations, appointments with precision.
Frequently Asked Questions
How does the date calculator work?
Enter a number and choose days, weeks, months, or years. Select add or subtract to find future or past dates.
What units can I use?
You can add or subtract days, weeks, months, or years from any date.
Does it handle different month lengths?
Yes. The calculator automatically handles months with 28-31 days and leap years.
Can I chain calculations?
Yes — each result can be used as a starting point for another calculation.