Date & Time

Calculate age, date differences, add days, and working days between dates.

Add or subtract days from a date.

Calculate exact age in years, months, days, and total days.

Calculate time remaining until a target date.

Calculate the number of days, weeks, months, and years between two dates.

Calculate day count fractions for financial calculations (Actual/365, Actual/360, 30/360).

Find what day of the year a date is (1-365/366).

Convert seconds to hours, minutes, and seconds (and vice versa).

Convert hours, minutes, seconds to total seconds.

Check if a year is a leap year and get days in February.

Convert Unix timestamp to human-readable date.

Convert time between different time zones.

Convert date to Unix timestamp (seconds since Jan 1, 1970).

Find the week number and day of week for any date.

Calculate business/working days between two dates (excluding weekends).