Advanced Day Counter Calculator
Calculate exact duration between dates with optional time inclusion
Health Disclaimer: While this tool can track health-related milestones, it is not medical advice. Always consult healthcare professionals for medical planning and decisions.
Tip: Enable time calculation for precision down to the minute!
Duration Calculation
Total Days:
Business Days:
Selected Unit:
0
0
0
Exact Duration: 0 days
Effective Date Calculation Strategies
Time Management
- Calculate project timelines with buffer days
- Track important anniversaries
- Monitor service agreements durations
Accuracy Tips
- Always consider timezone differences
- Account for daylight saving changes
- Verify holiday calendars for business days
Frequently Asked Questions
How do you handle leap years?
Our calculator automatically accounts for leap years in its calculations. February 29 is included when relevant, ensuring year-to-year comparisons remain accurate.
What time zone do you use?
Calculations use the local time zone of your device. For coordinated universal time (UTC) calculations, simply adjust both dates to UTC before input.
Can I calculate hours/minutes?
Yes! When you enable time inclusion by selecting date+time inputs, we provide minute-level precision in our calculations.
How are business days calculated?
Our system excludes Saturdays and Sundays by default when business days option is selected. Custom holiday exclusion is coming in future updates.
Do you store my date inputs?
No, all calculations are done client-side in your browser. We never store or transmit your date information to our servers.