Date & Time
Age, countdown, business-day, timezone and timestamp helpers for any date math.
Age Calculator
Date of birth to exact age in years, months and days.
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Date Difference
Difference between two dates in all common units.
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Days Until
Countdown to any future date.
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Date Add / Subtract
Add or subtract days, weeks or months from a date.
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Day of Week
Find what day of the week any date falls on.
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ISO Week Number
Get the ISO week number and year for any date.
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Countdown Timer
Embeddable countdown to events.
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Pomodoro Timer
25/5 Pomodoro with task list and session log.
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Timezone Converter
Multi-city time comparison and meeting overlap finder.
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Business Days Calculator
Add N business days to a date with holiday skipping.
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Work Hours Tracker
Clock in/out with total hours calculator.
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Date Format Converter
Convert between DD/MM/YYYY, ISO 8601, US and Unix formats.
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