While I was working at different projects I encountered frustrating problems related to date and time programming. So I wrote a few classes that helped me tackle this problem.
Helper static class:
* public static DayOfWeek GetLastDayOfWeek(CultureInfo culture)
* public static DateTime GetFirstDateOfWeek(DateTime dateTime, CultureInfo culture)
* public static DateTime GetLastDateOfWeek(DateTime dateTime, CultureInfo culture)
* public static DateTime GetLastDateOfMonth(int year, int month)
* public static DateTime GetLastDateOfYear(int year)
* public static int GetWeeksInYear(int year, CultureInfo culture)
* public static int GetRemainingDaysInWeek(DateTime dateTime, CultureInfo culture)
* public static int GetWeekNumber(DateTime dateTime, CultureInfo culture)
* public static bool AreTimePeriodsIntersecting(TimePeriod tp1, TimePeriod tp2)
* public static bool IsDateInPeriod(DateTime dateTime, TimePeriod timePeriod)
The TimeDifference class receives a start date and an end date and returns the difference in Years, Months, Weeks, Days, Hours, Minutes, Seconds and Miliseconds between them in two modes.
Lets take for example two dates: 06/26/2009 and 05/02/2013.
1st difference mode (time-units independence): 4 years, or (more accurately) 47 months or (more accurately), or (more accurately) 200 weeks, or (more accurately) 1406 days
2nd difference mode (time-units dependence): 3 years and 10 months and 6 days
Download code from here. (Changed extension to .zip then unzip.)
Hope it will be of great help to someone and please report any errors or sugestions.
NB: TimeZone and Daylight Savings Time are not taken into account.
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