NDate.Ext 1.2.0

ndate

A .NET Core DateTime extension functions library/ It will give us the facility to get any familiar date ranges such as current year, nth year, current month, last month etc.

returns type ⇒ DateRange {Start: DateTime, End: DateTime}

var date = DateTime.Today;

CurrentYear()

Returns the current year range based on the provided datetime value.

var currentYear = date.CurrentYear();
Console.WriteLine("Current Year Start: " + currentYear.Start.ToString("yyyy-MM-dd") 
                                         + " - Current Year End:" 
                                         + currentYear.End.ToString("yyyy-MM-dd"));

LastYear()

Returns the last year range based on the provided datetime value.

var lastYear = date.LastYear();
Console.WriteLine("Last Year Start: " + lastYear.Start.ToString("yyyy-MM-dd")
                                         + " - Last Year End:"
                                         + lastYear.End.ToString("yyyy-MM-dd"));

NthYear()

Returns the nth year range based on the provided datetime value.

var fiveYearsAgo = date.NthYear(-5);
Console.WriteLine("5 Years Ago Start: " + fiveYearsAgo.Start.ToString("yyyy-MM-dd")
                                      + " - 5 Years Ago End:"
                                      + fiveYearsAgo.End.ToString("yyyy-MM-dd"));

CurrentMonth()

Returns the current month range based on the provided datetime value.

var currentMonth = date.CurrentMonth();
Console.WriteLine("Current Month Start: " + currentMonth.Start.ToString("yyyy-MM-dd")
                                        + " - Current Month End:"
                                        + currentMonth.End.ToString("yyyy-MM-dd"));

LastMonth()

Returns the last month range based on the provided datetime value.

var lastMonth = date.LastMonth();
Console.WriteLine("Last Month Start: " + lastMonth.Start.ToString("yyyy-MM-dd")
                                          + " - Last Month End:"
                                          + lastMonth.End.ToString("yyyy-MM-dd"));

NthMonth()

Returns the nth month range based on the provided datetime value.

var fiveMonthAgo = date.NthMonth(-5);
Console.WriteLine("5 Months Ago Start: " + fiveMonthAgo.Start.ToString("yyyy-MM-dd")
                                       + " - 5 Months Ago End:"
                                       + fiveMonthAgo.End.ToString("yyyy-MM-dd"));

CurrentWeek()

Returns the current week range based on the provided datetime value.

var currentWeek = date.CurrentWeek();
Console.WriteLine("Current Week Start: " + currentWeek.Start.ToString("yyyy-MM-dd")
                                          + " - Current Week End:"
                                          + currentWeek.End.ToString("yyyy-MM-dd"));

LastWeek()

Returns the last week range based on the provided datetime value.

var lastWeek = date.LastWeek();
Console.WriteLine("Last Week Start: " + lastWeek.Start.ToString("yyyy-MM-dd")
                                       + " - Last Week End:"
                                       + lastWeek.End.ToString("yyyy-MM-dd"));

NthWeek()

Returns the nth week range based on the provided datetime value.

var fiveWeekAgo = date.NthWeek(-5);
Console.WriteLine("5 Weeks Ago Start: " + fiveWeekAgo.Start.ToString("yyyy-MM-dd")
                                         + " - 5 Weeks Ago End:"
                                         + fiveWeekAgo.End.ToString("yyyy-MM-dd"));

YTD()

Returns the year to date range based on the provided datetime value.

var ytd = date.YTD();
Console.WriteLine("YTD Start: " + ytd.Start.ToString("yyyy-MM-dd")
                                         + " - YTD End:"
                                         + ytd.End.ToString("yyyy-MM-dd"));

QTD()

Returns the quarter to date range based on the provided datetime value.

var qtd = date.QTD();
Console.WriteLine("QTD Start: " + qtd.Start.ToString("yyyy-MM-dd")
                                + " - QTD End:"
                                + qtd.End.ToString("yyyy-MM-dd"));

Q1()

Returns the 1st quarter range of the year based on the provided datetime value.

var q1 = date.Q1();
Console.WriteLine("Q1 Start: " + q1.Start.ToString("yyyy-MM-dd")
                                + " - Q1 End:"
                                + q1.End.ToString("yyyy-MM-dd"));

Q2()

Returns the 2nd quarter range of the year based on the provided datetime value.

var q2 = date.Q2();
Console.WriteLine("Q2 Start: " + q2.Start.ToString("yyyy-MM-dd")
                               + " - Q2 End:"
                               + q2.End.ToString("yyyy-MM-dd"));

Q3()

Returns the 3rd quarter range of the year based on the provided datetime value.

var q3 = date.Q3();
Console.WriteLine("Q3 Start: " + q3.Start.ToString("yyyy-MM-dd")
                               + " - Q3 End:"
                               + q3.End.ToString("yyyy-MM-dd"));

Q4()

Returns the 4th quarter range of the year based on the provided datetime value.

var q4 = date.Q4();
Console.WriteLine("Q4 Start: " + q4.Start.ToString("yyyy-MM-dd")
                               + " - Q4 End:"
                               + q4.End.ToString("yyyy-MM-dd"));

LastThirtyDays()

Returns the start and end date range of last thirty days.

var lastThirtyDays = date.LastThirtyDay();
Console.WriteLine("Last Thirty Days Start: " + lastThirtyDays.Start.ToString("yyyy-MM-dd")
                               + " - Last Thirty Days End:"
                               + lastThirtyDays.End.ToString("yyyy-MM-dd"));

Yesterday()

Returns the start and end date range of Yesterday.

var yesterday = date.Yesterday();
Console.WriteLine("Yesterday Start: " + yesterday.Start.ToString("yyyy-MM-dd")
                               + " - Yesterday End:"
                               + yesterday.End.ToString("yyyy-MM-dd"));  

Tomorrow()

Returns the start and end date range of tomorrow.

var tomorrow = date.Tomorrow();
Console.WriteLine("Tomorrow Start: " + tomorrow.Start.ToString("yyyy-MM-dd")
                               + " - Tomorrow End:"
                               + tomorrow.End.ToString("yyyy-MM-dd"));

Last Updated: 2025-02-19