Time & Date Calculators

Calculate age, date differences, durations, countdowns, work hours and business days.

Calculate your exact age in years, months, and days from your date of birth.

Calculate the number of days and weeks between two calendar dates.

Calculate the duration between two times of day in hours and minutes.

Calculate the number of days and weeks remaining until a future target date.

Calculate total work hours and paid hours from start and end times, subtracting a break.

Calculate how many years remain until you reach your target retirement age and the projected retirement date.

Convert a time from one UTC offset to another to coordinate across global time zones.

Calculate the number of business days (weekdays) between two dates, excluding weekends.

Calculate the total number of hours and minutes between two calendar dates.

Calculate a deadline or due date by adding a number of days to a start date.