This online Average Time Calculator finds the average of multiple time intervals expressed in hours, minutes and seconds.
This all-in-one Business Days Calculator computes the number of business days between two dates of Gregorian calendar. It can be used also to find out what day will it be after (or was before) a specific number of working days.
This chronological age calculator finds a person’s age or interval between two dates of Gregorian calendar.
The day counter calculator (or days between dates calculator) computes the number of days between two dates of Gregorian calendar or the date separated by a certain number of days from a given date.
This online day of the week calculator finds the day of the week from the known date, using the Gregorian calendar.
This day of the year calculator is used to calculate the ordinal day number of the year from the date entered by user.
This online Decimal to Time Calculator is a handy tool to convert time in decimal form (days, hours, minutes, or seconds) to the standard clock time (24-hour time format).
This online Leap Year Calculator allows you to answer the question of whether a certain year is a leap year or to get a list of all leap years that are in the given interval of years.
This online military time converter is a handy tool to convert standard time (12 hour time format) to the military time (24 hour time format) and vice versa.