What counts as a business day?

A business day is a weekday (Monday through Friday) that is not a public holiday. Our calculators allow you to exclude weekends and a list of common public holidays for accurate business day calculations.

How is age calculated?

Age is calculated as the complete duration from the date of birth to the current date, expressed in years, months, and days. We account for leap years to ensure the highest accuracy.

Yes. All calculations happen directly in your browser. We do not store any personal information you enter into the calculators. Your data never leaves your device.

Can I use these tools on my mobile device?

Absolutely! DateKeep is designed to be fully responsive, which means it works seamlessly on desktops, tablets, and smartphones. All features are available on any device.

How accurate are the time and date calculations?

Our calculators use a reliable and widely-used date-fns library for all calculations. This ensures high accuracy, including accounting for complexities like leap years. For time-sensitive operations like the countdown timer, accuracy depends on your device's clock.

What is a Unix Timestamp?

A Unix timestamp represents a point in time. It is the number of seconds that have elapsed since midnight UTC on January 1, 1970. It's a common standard used in computing.

What is a Julian Date?

A Julian Date or Julian Day Number (JDN) is the continuous count of days since the beginning of the Julian period (January 1, 4713 BC). It is used primarily in astronomy to provide a single, unambiguous system for dating events without confusion over different calendar systems or time zones.

Workdays Deadline Calculator | DateKeep

About the Workdays Deadline Calculator

The Workdays Deadline Calculator is an indispensable tool for project managers, freelancers, and anyone who needs to plan accurately based on a working week. Instead of simply adding calendar days, this tool calculates a future date by counting only business days (Monday to Friday), automatically skipping weekends and giving you the option to exclude public holidays.

Why Use a Workday Calculator?

Standard date calculations can be misleading for professional planning. If you add 10 days to a project, the actual completion date could be 14 or more calendar days away once weekends are accounted for. This calculator removes the guesswork, providing a realistic deadline you can rely on.

Features

Smart Workday Counting: Automatically skips Saturdays and Sundays.
Holiday Exclusion: Lets you select from a list of official US Federal holidays to ensure they are not counted as workdays.
AI-Powered Suggestions: The tool uses AI to check if your calculated deadline coincides with other common holidays or falls on a weekend, offering helpful suggestions for adjustments.
Calendar Integration: Export your calculated deadline directly to your Google or Apple calendar with a single click.

Related Tools

To find out how many workdays are between two existing dates, use our Days Between Dates calculator. For generating a sequence of recurring dates, the Date Incrementer is an excellent choice.