📅 Date Calculator
Calculate days between dates and add or subtract time from dates
Quick examples
- Calculate days between: Jan 1, 2024 and Dec 31, 2024 → 365 days (leap year)
- Add to date: Start with Jan 15, 2024, add 2 months + 15 days → March 30, 2024
- Subtract from date: Start with Dec 25, 2024, subtract 1 week → Dec 18, 2024
- Business days: Calculate workdays between two dates (excludes weekends and holidays)
Frequently Asked Questions
What is this calculator used for?
This calculator helps you perform specific calculations quickly and accurately. Each calculator is designed with a user-friendly interface to solve particular types of mathematical, financial, or health-related problems.
Is my data stored or tracked?
No, all calculations are performed locally in your browser. We prioritize your privacy and don't store or track any of your personal data. Your information never leaves your device.
How accurate are the results?
Our calculators use industry-standard formulas and algorithms to ensure high accuracy. However, for critical financial, medical, or legal decisions, we recommend consulting with a qualified professional.
Can I use this calculator offline?
Yes! CalcBuddy is a Progressive Web App (PWA) that works offline. After your first visit, you can use all calculators even without an internet connection.
Is this calculator free to use?
Absolutely! All calculators on CalcBuddy are completely free to use with no hidden fees, subscriptions, or advertisements. We believe in providing valuable tools to everyone.
How do I report an issue or suggest improvements?
We appreciate user feedback! You can contact us through our support channels to report bugs, suggest new features, or request additional calculators.
Free online date calculator. All calculations happen locally in your browser for privacy.