Date Shift Calculator
Instantly find a future or past date by adding or subtracting days.
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Practical Use Cases
For Students
Calculate project due dates using "Business Days" mode, track application deadlines by subtracting days from a future date, or plan your study schedule for the next 30, 60, or 90 days.
For Project Managers
Determine project milestones and delivery dates. Quickly find out what the date will be 180 calendar days or 90 business days from your project kickoff.
For Event Planners
Planning a wedding or party? Figure out key dates like "When should we send invitations 60 days before the event?" and see what day of the week it falls on.
Advanced Features
Business Day Mode
Need to calculate a deadline? Switch to "Business Days" mode to automatically skip weekends (Saturdays and Sundays) for a more accurate project timeline.
Mobile-First Design
This tool was built for your phone. Large, thumb-friendly buttons and a clear, focused layout make it fast and easy to use on the go.
Instant & Private
Calculations happen instantly in your browser. No buttons to press, no waiting, and your data never leaves your device.