Free Date & Time Calculators

Every date and time question, answered instantly — hours worked, days between dates, exact age, countdowns and more. No sign-up, results as you type.

Start/end time → hours worked + payroll decimal.

Exact days between any two dates.

Exact age in years, months, days.

Add or subtract days, weeks, months, years.

7-day time card → weekly hours + decimal.

Full weeks + leftover days between dates.

Days until any date, with milestones.

Weekday of any date, past or future.