Date & Time calculators

7 free date & time tools, each with the formula and step-by-step working.

• Age CalculatorExact age in years, months, days and total time lived.
• Business Days CalculatorCount or add working days, skipping weekends.
• Countdown CalculatorTime remaining to any future date.
• Date Add or Subtract CalculatorAdd or subtract days, weeks, months or years from a date.
• Date Difference CalculatorDays, weeks, months and business days between two dates.
• Time Duration CalculatorAdd, subtract and convert hours, minutes and seconds.
• Work Hours CalculatorHours worked in a shift, with breaks and pay.

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