Date & Time Tools

Calculate date differences, plan events, and convert between time zones effortlessly.

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Age Calculator

Free online age calculator — no registration required. Find your exact age in years, months, and days.

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Days Until Calculator

Count the calendar days from today or a chosen start date until a target date, including whether the target has already passed.

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Date Difference Calculator

Calculate the exact number of days, weeks, months, and years between any two dates. Determine the precise time elapsed or remaining between dates.

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Countdown Timer

Set a custom countdown timer for events, presentations, or productivity. Track time remaining in hours, minutes, and seconds.

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Time Zone Converter

Convert a date and time between supported time zones with daylight-saving rules handled by the browser runtime.

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Hours Calculator

Calculate worked time from start and end times, subtract an optional break, and show hours and minutes plus decimal hours.

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Days Between Dates Calculator

Calculate the exact number of days, weeks, months, and years between any two dates. Optionally include or exclude the end date.

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Date Duration Calculator

Calculate the absolute duration between two calendar dates in days, weeks, hours, and minutes.

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Working Days Calculator

Calculate the exact number of business days between two dates, automatically excluding weekends and optionally accounting for public holidays.

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Online Timer

Run a browser-based countdown timer for a chosen duration with start, pause, reset, and completion controls.

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Stopwatch Online

Run a browser stopwatch with elapsed time and lap tracking, including fastest and slowest lap summaries.

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Time Card Calculator

Calculate worked hours from clock-in, clock-out, and break times across entered shifts.

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Unix Timestamp Converter

Convert Unix timestamps to readable dates and convert dates back to seconds or milliseconds since the Unix epoch.

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Schengen Visa Calculator

Track Schengen short-stay days against the 90-days-in-180-days rule using entered travel dates.

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Jet Lag Calculator

Estimate timezone offset difference and adjustment time from departure and arrival UTC offsets.

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Baby Age Calculator

Calculate your baby's exact age in months, weeks, and days. Easily track milestones and development stages.

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Schengen 90/180 Rule Calculator

Explain the Schengen 90/180 rule with examples and calendar-counting cautions for short stays.

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