Date & Time Calculators
Date arithmetic and planning calculators for deadlines, age, timelines, and scheduling scenarios.
This category page is the primary index for date & time tools on MCPCalc. Use it to compare calculators by intent and jump directly to the one that fits your scenario.
Available Calculators
Add/Subtract Days Calculator
Find a future or past date by adding or subtracting days.
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Age Calculator
Calculate exact age from birth date to a reference date.
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Countdown Calculator
Count down days remaining until a target date.
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Date Difference Calculator
Compute days, weeks, and approximate months between two dates.
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Julian Date Calculator
Convert Gregorian date to Julian Day Number.
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Leap Year Calculator
Check whether a year is a leap year.
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Time Duration Calculator
Compute hours and minutes between two times.
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Time Zone Converter
Convert a time between UTC offsets.
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Unix Timestamp Calculator
Convert a date-time to Unix epoch seconds.
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Week Number Calculator
Find ISO week number for a date.
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Weekday Finder
Find the day of week for any calendar date.
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Work Days Calculator
Count business days between two dates excluding weekends.
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