Date Shift Calculator

Instantly find a future or past date by adding or subtracting days.

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Practical Use Cases

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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.

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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.

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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

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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.

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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.

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Instant & Private

Calculations happen instantly in your browser. No buttons to press, no waiting, and your data never leaves your device.

How Students Use This to Ace Their Deadlines

Meet Maria, a busy college student. She has a project due in 30 business days, a scholarship application that opens 90 days before the semester starts, and needs to plan a club event 45 days from today.

Instead of manually counting days on a calendar, Maria uses the Date Shift Calculator. She instantly finds the exact due date for her project by using "Business Days" mode. She calculates the scholarship opening date by subtracting 90 days from her semester start date. And she quickly sees that her club event will fall on a Tuesday, helping her book a venue.

For managing deadlines, planning study schedules, or tracking important dates, this tool is a student's best friend.