- Find date after or before(add or subtract from) given number of days ,weeks , months or years - Calculate age with given date in terms of years , months and days. - Calculate working days between two dates or calculate number of weekdays or weekends between two dates. - Given date input in various date formats including : mm-dd-yyyy, dd-mm-yyyy, yyyy-mm-dd , yyyy-dd-mm -Age is also calculated in terms of total days , total months, total weeks and total years/ - Find day of your birhtday . - Select the date from the widget or enter it manually . - Find difference between two dates in days, months, weeks, years. - Calculator takes care of leap year,day light savings or time zones. - Find the days on which your birthdays will be coming in next five years.