Date & Time Calculators

Overtime Hours Calculator Calculate regular and overtime hours from a work period and overtime threshold. Open calculator → Subscription End Date Calculator Calculate the end date of a subscription from its start date and term. Open calculator → Baby Age Calculator Calculate a baby's exact age from birth date to a selected reference date. Open calculator → Hours to Minutes Calculator Convert hours into total minutes. Open calculator → Break Time Calculator Calculate total break time and net working duration. Open calculator → Date Before Years Calculator Find the exact date before a chosen number of calendar years. Open calculator → Age in Months Calculator Calculate your exact age as a total number of months. Open calculator → Add Weeks to Date Calculator Find a future or past date by adding or subtracting weeks. Open calculator → Quarter Calculator Find the calendar quarter, quarter start date and quarter end date for a date. Open calculator → 12 Hour to 24 Hour Time Converter Convert a clock time between 12-hour AM/PM and 24-hour formats. Open calculator → Shift Hours Calculator Calculate the duration of a work shift, including shifts that cross midnight. Open calculator → Rental Period Calculator Calculate the length and end date of a rental period. Open calculator →