Date & Time Calculators — Days, Workdays, Age, Countdown

Online date calculators for days between dates, business days, exact age, countdown timers, and timezone conversion. Free and private.

Date & time calculators

Date difference calculator
Calculate days, weeks, and months between two dates online.
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Workdays calculator
Count business days between two dates (Monday–Friday).
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Age calculator
Calculate exact age in years, months, and days from a birth date.
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Countdown calculator
Find how many days until (or since) a target date.
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Time zone converter
Convert local time across major world time zones.
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