Calculate the number of days/weeks/months/years between two dates
Calculate the number of days/weeks/months/years until a date
Calculate the time difference between two time zones
Display the time in different countries
Calculate your age and other details
Calculate the day/week/month of a date
Add or subtract days/months/years to a date
Convert between different calendar systems
Convert between different time units
Use for stopwatch and countdown
Display the calendar for any month