DateTimeExtensions Members

Adds the workdays. DateTime due = DateTime.Today.AddWorkdays(10); // due in 10 workdays

Ages the specified date of birth. DateTime henrybirthdate = new DateTime(1998,10,12); int age = henrybirthdate.Age();

Ceiling the given DateTime object by the given time interval. i.e. 10:01 ceilinged by 10 minutes would be 10:10

DateDiff in SQL style. Datepart implemented: "year" (abbr. "yy", "yyyy"), "quarter" (abbr. "qq", "q"), "month" (abbr. "mm", "m"), "day" (abbr. "dd", "d"), "week" (abbr. "wk", "ww"), "hour" (abbr. "hh"), "minute" (abbr. "mi", "n"), "second" (abbr. "ss", "s"), "millisecond" (abbr. "ms"). Gets the total days from 01/01/2000. DateTime dt = new DateTime(2000, 01, 01); Int64 days = dt.DateDiff("day", DateTime.Now); Gets the total hours from 01/01/2000. Int64 hours = dt.DateDiff("hour", DateTime.Now);

Get the elapsed time since the input DateTime

Retrieves the first day of the month of the date.

Firsts the day of week of the month.

Floor the given DateTime object by the given time interval. i.e. 10:09 floored by 10 minutes would be 10:00

Gets the date range to.

Gets the last day of month. Gets the last date of the month of the DateTime. DateTime lastDay = DateTime.Now.GetLastDayOfMonth();

Intersectses the specified end date. Returns true if two date ranges intersect. bool eventsInterect = eventXStartDate.Intersects(eventXEndDate, eventYStartDate, eventYEndDate);

Determines whether the specified start date is between. Checks if the date is between the two provided dates var today = DateTime.Now; var start = new DateTime(2012, 1, 1); var end = new DateTime(2013, 11, 25); Boolean isBetween = today.IsBetween(start, end);

Determines whether [is in range] [the specified begin date]. var monday = DateTime.Now.ThisWeekMonday(); var friday = DateTime.Now.ThisWeekFriday(); if(DateTime.Now.IsInRange(monday, friday) { ...do something... }

Determines whether [is last day of the month].

Determines whether [is leap year].

Determines whether this instance is weekday.

Determines whether this instance is weekend. Lets you easily figure out ifdateTime holds a date value that is a weekend.

Determines whether this instance is weekend.

Retrieves the last day of the month of the date.

Retrieves the last day of the week that occurred since date.

Lasts the day of week of the month.

Retrives the next day of the week that will occour after date.

Nexts the sunday. Get's the date of the upcoming Sunday.

Round the given DateTime object by the given time interval. i.e. 10:09 rounded by 10 minutes would be 10:10

Sets the time.

Sets the time.

Sets the time.

Sets the time.

Thises the week monday. var monday = DateTime.Now.ThisWeekMonday();

To the date time. var dt = TextBox1.Text.ToDateTime(); if (dt == null) { throw new Exception("Your datetime was invalid"); }

To the friendly date string.

Converts a regular DateTime to a RFC822 date string used for RSS feeds

To the string format. var shortDateResult = DateTime.Now.ToStringFormat(() => DateTimeFormat.ShortDate); var fullLongDateTimeResult = DateTime.Now.ToStringFormat(() => DateTimeFormat.FullLongDateTime); var rfc1123Result = DateTime.Now.ToStringFormat(() => DateTimeFormat.Rfc1123LowerCase);