Date and Time Tools for Everyday Questions

    Date and Time helps you answer common questions about dates, time spans, and calendars. Find how many days or weeks are between dates, calculate workdays, check ISO week numbers, or create simple countdowns. All tools are free, fast, and easy to use.

    What You Can Do with Date and Time

    • Calculate days, weeks, and months between dates
    • Count workdays and business days
    • Check ISO week numbers
    • See your age in days or years
    • Create simple countdowns

    Why Date and Time Exists

    Many date and time questions are simple, but the answers are often hidden behind complex tools.

    Date and Time focuses on clarity. Each tool does one thing, shows the result immediately, and explains how it works.

    All calculations happen directly in your browser—no data is sent anywhere, and there's no need to sign up.

    Ready to Calculate?

    Pick a tool and get your answer in seconds.

    Get Started