Add or subtract days, weeks, months, or years from any date. Free business date calculator for deadlines, contracts, and payment schedules.
Comprehensive date calculations and conversions
All calculations are performed in your local timezone
Computes differences between dates, adds/subtracts days, and accounts for leap years and month lengths.
2025-01-01 minus 2024-11-20 → 42 days.
Business days?
Exclude weekends/holidays if needed.
Time zones?
Use local date logic to avoid DST shifts.
Continue with calculators that answer nearby questions and help compare the next step.
Budget Variance - Calculate and analyze your financial metrics with this comprehensive calculator.
Capital Budgeting - Calculate and analyze your financial metrics with this comprehensive calculator.
Cash Flow Forecasting Tool - Calculate and analyze your financial metrics with this comprehensive calculator.
College Cost - Calculate and analyze your financial metrics with this comprehensive calculator.
Customer Acquisition Cost - Calculate and analyze your financial metrics with this comprehensive calculator.
Estimate the total revenue a customer generates over their relationship with your business. Free CLV tool for marketing and retention planning.