Date & Time - Algorithms			top
Title / Updated	Author	Score
Programming for Date Ranges - Unedited Updated: 25 Sep 2009 If you are anything like me, you have seen plenty of SQL statements like this: SELECT * FROM MyTable WHERE CreateDate BETWEEN @StartDate AND @EndDate Pretty simple and self explanatory, right? To a programmer, yes it is. However, when you start building a UI for the user to enter those start da XML, Windows	Charles Boyung	5.00
MS Outlook-style Date Recurrence Patterns Updated: 22 Apr 2002 Date recurrence patterns engine with a UI similar to MS Outlook VC7Win2K, Visual Studio, MFC, Dev	Matt Gullett	4.76
Leap Years Updated: 20 Feb 2000 A discussion on the thorny issue of leap years. C++, Windows, Visual Studio, Dev	Chris Maunder, LeRoy Baxter	4.39
Rounding a DateTime object to a defined number of minutes Updated: 23 Mar 2008 A simple two line function to round a DateTime up, down, or to a nearest defined number of minutes. C# (C# 1.0, C# 2.0, C# 3.0), Dev	Jason Sobell	4.27
Remaining Timer Updated: 2 Jul 2008 Estimate the duration of an operation using linear regression. C# (C# 1.0, C# 2.0, C# 3.0)	Gilad Kapelushnik	4.20
Calculating Duration Between Two Dates in Years, Months and Days Updated: 25 Aug 2008 Calculate the accurate duration between two dates in years, months and days C# 2.0WinXP, ASP.NET, Dev	Mohammed Ali Babu	4.15
Calculating Easter Sunday Updated: 23 Nov 2001 How to find Easter Sunday and Ash Wednesday VC6Win2K, MFC, Dev	Oskar Wieland	2.57
Calculating Business Hours Updated: 11 Jul 2007 An article on how to calculate business hours between two dates C++, Windows, Visual Studio, MFC, Dev	perle1	1.64
Creating classes at runtime - Unedited Updated: 15 Jun 2009 I've been working on an application that has a number of forms that need to be laid out based on configuration data in the database, this enables the application to meet the requirements of many different customers. Laying out the forms based on the configuration data is relatively trivial - it XML, Windows	S1mm0t
Date & Time - General			top
Title / Updated	Author	Score
ACCU 2009: So many sessions, so little time... - Unedited Updated: 28 Sep 2009 Preamble [21st April 2009]Well, we're here at the Barcelo Oxford Hotel again, and for us ACCU 2009 starts tomorrow (though the pre-conference workshops happen on the Tuesday, we haven't booked onto one this year).We are a little more prepared this year than last - for example we now have a 6 foot ro XML, Windows	Anna-Jayne Metcalfe	5.00
C++ Calendar Alarm Class with Repeat Capability Updated: 23 Mar 2006 CAlarmClock is a C++ class that can generate repeating asynchronous alarms. VC7.1.NET 1.1, WinXPVS.NET2003, Dev	DaveeCom	4.83
Is this computer's clock slow or is it just me? Updated: 16 Oct 2009 How to request and parse data from various time servers using the NTP, DAYTIME, and TIME protocols. C++ (VC8.0), Windows (WinXP, Vista), Win32, MFC, Dev	DavidCrow	4.70
A Simple Class To Handle Dates Updated: 12 Dec 1999 A class that simplifies common date handling tasks VC6, Dev	Richard Stringer	4.60
Two data types to represent a period of time with NHibernate user types Updated: 21 Jan 2008 This article introduces two data types that can be used to represent a period of time with specific start and end points. C#, .NET, Visual Studio, Architect, Dev	Kailuo Wang	4.60
Excel serial date to Day, Month, Year and vise versa Updated: 12 Aug 2002 A speedy algorithm to convert Excel numbers to DMY and vise versa. VC6, VC7Win2K, WinXP, Visual Studio, Dev	Victor Vogelpoel	4.59
Beating the Daylight Savings Time bug and getting correct file modification times Updated: 28 May 2001 Windows reports erroneous file modification times, which change according to daylight savings. This article describes why this is so and how to determine correct file modification times and avoid the DST bug. VC6, Windows, Dev	Jonathan Gilligan	4.58
gTimePicker- Control to Pick a Time Value (VB.NET) Updated: 30 Sep 2009 Stop using the DateTimePicker for time values, this control makes it easy to pick a time, and if you act now, get the matching Nullable gDateTimePicker at no extra cost. VB 8.0.NET 2.0, Dev	SSDiver2112	4.58
WinAPI - simple operations with datetime Updated: 30 Nov 2003 Simple operations with datetime - add/diff to/from datetime, difference between datetime on WinAPI VC6, VC7, VC7.1Win2K, WinXP, Win2003, Visual Studio, Dev	AlexeyU	4.53
High resolution date and time class Updated: 24 Jan 2000 A high resolution time class that is a replacement for COleDateTime that does not use MFC. VC6, Visual Studio, Dev	Håkan Still	4.51
Tray Calendar Updated: 2 Aug 2003 A simple application that places a date in the system tray VC6, VC7, VC7.1Win2K, MFC, VS.NET2003, Dev	Chris Maunder	4.47
Date and Time in C++ Updated: 15 Oct 2002 This is an article on the various usages of date and time in Windows C++ VC6, VC7, Windows, Visual Studio, Dev	RK_2000	4.45
How to get timings as fine-grained as one nanosecond or better Updated: 2 Dec 2003 How to get timings as fine-grained as one nanosecond or better VC6, VC7, VC7.1Win2K, WinXP, Win2003, Visual Studio, Dev	Mark VanTassel	4.41
TaskTimer - an object to monitor task execution Updated: 8 Aug 2002 An object that tracks a task's elapsed and remaining times, and execution state. VC6Win2K, WinXP, MFC, Dev	Ravi Bhavnani	4.36
WinForms User Control for date selection Updated: 17 Feb 2009 A WinForms User Control which provides colour-coded feedback on dates which are already assigned. C#.NET 2.0, .NET 3.0, .NET 3.5, Win32, Win64, WinForms, VS2005, VS2008, Dev	KazMaxLtd	4.29
The CPerfTimer timer class Updated: 27 Apr 2000 This class encapsulates QueryPerformanceCounter for high precision timing VC6, Visual Studio, Dev	Dean Wyant	4.27
Time zone class and data Updated: 16 Jan 2007 An article on a time zone class and time zone data. VC7, VC7.1.NET 1.1, Win2K, WinXP, Win2003, MFC, VS.NET2003, Dev	Joe Woodbury	4.24
How to synchronise your Windows 2000 machine using SNTP Updated: 6 Jan 2004 Using the Windows 2000 Time Service to set the system clock C++Win2K, Visual Studio, Dev	Rob Manderson	4.22
DateValidator using SNTP Updated: 8 Jul 2009 Check if the expiration date of your application has been passed regardless of system date. C# 2.0, C# 3.0, C# 4.0.NET 2.0, .NET 3.0, .NET 3.5, .NET 4.0, Dev	DaveyM69	4.22
Convert date from Hijri Calendar to Gregorian Calendar and vise versa Updated: 20 Nov 2004 In this class, I introduce a solution for converting dates between two calendars :Hijri & Gregorian. C#, Windows, .NET 1.1, ASP.NET, Visual Studio, Dev	Anas Bahsas	4.20
CCPUTicker v1.22 - Precision Timing Updated: 3 Mar 2000 An ultra high precision MFC timing class for Pentium or greater CPUs. VC6, MFC, Dev	PJ Naughter	4.18
Comparing COleDateTime objects Updated: 14 Nov 2001 Solution to the bad working COleDateTime comparing methods VC6Win2K, WinXP, Visual Studio, MFC, Dev	Geert Delmeiren	4.11
PersianDate and some WPF controls for it Updated: 12 Nov 2009 The code represents a type for holding Persian date values, and two WPF controls for working with Persian dates. C# 3.0, Windows, .NET 3.0, XAML, WPF, Dev	Arash Sahebolamri	4.11
Analog Clock Control Updated: 6 Aug 2009 The analog clock control is a control that has almost all the functionality that a clock control can have, and it is fully modifiable. VB 8.0, Windows, .NET 2.0, GDI+, VS2005, Dev	VBDT	4.07
Sunrise/Sunset Calculations Updated: 14 Dec 2000 Code to help calculate sunrise and sunset times VC6Win2K, MFC, Dev	Brian Heilman	4.05
Any Day of the Week Using the Doomsday Rule Updated: 27 Jun 2002 C++ implementation of the Doomsday Rule to determine the weekday. VC6, VC7Win2K, WinXP, MFC, Dev	Paul J. Weiss	4.00
C# Date Time Parser Updated: 11 Feb 2009 Parsing date and (or) time from a string. C#, .NET, Dev	Sergey Stoyan	4.00
Calculate Difference Between Two Dates in Day, Week, Month and Year Parts Updated: 19 Nov 2009 Calculate difference between two dates in day, week, month and year parts C#, .NET	Mahmoud Fathy Afify	4.00
Time64 - 64 bit Times for 32 bit Windows Apps Updated: 5 Aug 2003 64-bit version of C time routines for Windows VC6, VC7, VC7.1Win2K, WinXP, Win2003, MFC, Dev	R. Walker	3.94
Convert between UTC (Universal Co-ordinated Time) and local time Updated: 8 Dec 2008 How to convert between UTC (Universal Co-ordinated Time) and local time. C#, Windows, .NET, Visual Studio, Dev	Gary Dryden	3.92
CMultimediaTimer - a periodic timer class Updated: 27 Mar 2002 CMultimediaTimer implements a periodic timer using the Windows Multimedia Timer API VC6Win2K, WinXP, Dev	John P. Curtis	3.90
How to use time-zones in .NET under Windows Updated: 6 Jun 2008 This article describes how to convert between arbitrary time-zones in .NET 2.0. C#, Windows (WinXP), .NET (.NET 2.0), Win32, Visual Studio (VS2005), Dev	kian01	3.89
Calculating Christian Holidays Updated: 19 Jul 2005 Calculate dates for christian holidays such as Easter, Ascension day etc. C#, Windows, .NET 1.0, .NET 1.1, .NET 2.0VS.NET2003, VS2005, Dev	Jan Schreuder	3.88
A Few Classes to Work With Date, Time, Datetime and Timezone Data Updated: 9 Oct 2002 Classes to make working with time and date data in different timezones easier. VC6Win2K, WinXP, Dev	Alex Mol	3.87
Alternative Timestamp Class with no MFC Updated: 10 Aug 2007 This article describes a timestamp class that can be used as an alternative to the standard C date time functions. VC6, VC7, VC7.1, VC8.0, Windows, Win Mobile, Mobile, Dev	metcarob	3.80
SystemTime to VariantTime with Milliseconds Updated: 9 Feb 2007 Enhanced system time / variant time conversion with milliseconds VC7WinXPVS.NET2003, Dev	skarapanahalli	3.77
CWeek - A class for getting the weekday and weeknumber Updated: 22 Mar 2004 Getting the weekday and weeknumber. VC6, VC7, VC7.1Win2K, WinXP, Win2003, Visual Studio, Dev	Patrik Svensson	3.68
MonthCalendar Calendar - Control Updated: 17 Mar 2008 A Calendar control with 4 views C#, Dev	LetsCodeInCSharp	3.60
CEstimateTimeStatic - a class for estimating remaining time Updated: 6 Feb 2003 A simple but effective class for estimating remaining time in the execution of a process VC6Win2K, WinXP, MFC, Dev	Doru Cioata	3.48
Y2K Bugs, And Why You Should Still Worry About Them Updated: 14 Feb 2001 An editorial about year 2000 issues and why they are still relevant today. VC6Win2K, Visual Studio, Dev	Michael Dunn	3.47
Format Date and Time As Per User's Locale Settings Updated: 19 Aug 2008 Convert date and time to a string using format settings specified in Control Panel -> Regional Options. C++, Windows, Visual Studio, MFC, Dev	Damir Valiulin	3.45
MyDate - A System Independent Date Object Updated: 10 Sep 2009 MyDate is a comprehensive class that wraps the date data type and provides many useful functions and operators for dealing with dates. C++ (VC6, VC7, VC7.1), Windows, Dev	Vijay Mathew Pandyalakal	3.43
Jalali (Shamsi) Calendar Class, Simple and Useful Updated: 24 Sep 2007 This article describes the CJalaliCalendar class, which is useful for working with the Iranian Jalali (Shamsi) calendar. VC6, VC7, VC7.1, VC8.0Win2K, WinXP, Win2003, Vista, MFC, VS.NET2003, VS2005, Architect, Dev, Design	Ali Tavakol	3.34
Custom ShortDate type (struct: IComparable) Updated: 19 Feb 2005 A struct example. C#, Windows, .NET 1.1, ASP.NET, Visual Studio, Dev	Stefan Prodan	3.24
Timezones in PHP Updated: 5 Aug 2008 List of all timezones in PHP. PHP, Dev	Mohammad Dayyan	3.00
Calling Method Asynchronously With A Timeout - Unedited Updated: 17 Jun 2009 As part of an ongoing project I am just about to finish, I had a need to use a 3rd party web service. Now I am quite an cautious sort of chap when it comes to using web services. So I generally try and ensure that I try and make my code as robust as [...] XML, Windows	Sacha Barber	3.00
Adding Business Days to a Date Updated: 29 Oct 2009 How to add a certain number of business days to a start date C#, VB, Windows, .NET (.NET 3.0), ASP.NET, Dev	jd_fubar	3.00
A New Concept in Date Range Picking: the DateRangeComboBox Updated: 2 Nov 2008 It could take 11 clicks or 20 keystrokes to choose two dates representing last year. Why not choose "Last Year" in a ComboBox? C# (C# 2.0), .NET (.NET 2.0), WinForms, Dev	Erichero	2.90
How to check if a datetime exists Updated: 7 Aug 2003 An article about checking a datetime. VC6, VC7, VC7.1Win2K, WinXP, Win2003, Visual Studio, Dev	Nikolai Serdiuk	2.83
A TimeZone Aware DateTime Implementation Updated: 16 Apr 2009 An implementation that wraps DateTime to allow for keeping track of TimeZone state. C# 2.0, C# 3.0.NET 2.0, .NET 3.0, .NET 3.5, DBA, Dev	steinard	2.83
Fun with Enums and a Generic File Date/Time Stamper - Unedited Updated: 4 Aug 2009 A generic file date/time stamper. C#, XML, Windows, .NET, Dev	bobleith	2.78
High Resolution Elapsed Timer Updated: 12 Dec 2001 A simple high resolution timer class to help time code blocks. VC6, Visual Studio, MFC, Dev	Chen Venkataraman	2.60
Auto Adjusting Date Ranges on Entry of a New Range using SQL Updated: 27 Sep 2009 Given date ranged data, adjust existing ranges on entry of a new ranged data. SQL, Windows, SQL Server (SQL 2000, SQL 2005, SQL CE, SQL 2008), DBA, Dev, Design	acarpio1975	2.33
Timer Class - Time how long your programs run for - Unedited Updated: 20 Dec 2007 Time how long an application or a set of processes run for to milisecond precision. C++, Windows, MFC, STL, VS.NET2003, VS2005, VS2008, Dev	Robert Roose	1.78
Get hold of system time without using inbuilt functions (Can be used with Turbo C++) - Unedited Updated: 11 Jul 2006 Getting system timer without using inbuilt system calls C, VC6, VC7Win2K, WinXP, MFC, Dev	Sreekanth Muralidharan	1.18
DateTimeFormat DD/MM/YYYY in Ajax tool kit 4.0 - Unedited Updated: 24 Mar 2009 The big problem using date time format in dd/mm/yyyy using ajax tool kit 4.0 C#, .NET, ASP.NET, Architect	Jason Troitsky, zuhair haroon khan software programmer	1.00
Don't you wish today was a holiday? Updated: 3 May 2009 An easy to use, versatile, and convenient calendar you can program. VB, Windows, .NET, Dev	Christ Kennedy
Date & Time - Tools			top
Title / Updated	Author	Score
Desktop Alarm Clock Updated: 23 Feb 2009 The Desktop Alarm Clock is a very useful application that can perform several tasks. VB 9.0WinXP, Win2003, Vista, Win32, GDI+, COM, VS2008, Dev, Design	VBDT	4.65
Simple(x) Date & Time Math Parser Updated: 22 Apr 2004 Date and time class from the SimplexParser freeware. VC6WinXP, Dev	Ralf Wirtz	4.48
An SNTP Client for C# and VB.NET Updated: 22 Jul 2009 A complete overview and implementation of SNTP from a client perspective. C# (C# 3.0, C# 4.0), VB (VB 8.0, VB 9.0, VB 10), Windows, .NET (.NET 2.0, .NET 3.0, .NET 3.5, .NET 4.0), Visual Studio (VS2008), WinForms, Dev, SysAdmin	DaveyM69	4.44
Date-Time Conversion Utility Updated: 21 Sep 2001 A simple app that converts to and between time_t, DATE, and regular date string expressions VC6, Windows, Dev	Alvaro Mendez	4.40
Scheduling Future Dates Updated: 1 Oct 2008 Implement repetitive tasks at consistent intervals C# 2.0, C# 3.0.NET 2.0, .NET 3.0, .NET 3.5, Dev	John Simmons / outlaw programmer	4.22
Seagate Date Code Calculator Updated: 6 Aug 2007 How to get the date 20 November 2005 from the number 06212. C# (C# 2.0).NET 2.0, Win2K, WinXP, Win2003, VistaVS2005, Dev	Paw Jershauge	4.18
Anthem.PersianCalendar - .NET Persian Calendar WebControl Updated: 12 Nov 2009 An Ajax PersianCalendar Control that looks like Original Calendar of .NET Framework C#.NET 2.0, .NET 3.0, ASP.NET, Ajax	Morteza Alikhani	4.00
Time Client (RFC868) Updated: 6 Apr 2002 Learn how to synchronize your date and time VC6, VC7Win2K, WinXP, MFC, Dev	Orkun GEDiK	3.76
How To Calculate the Age of a File Updated: 9 Mar 2008 Using time and file functions C++/CLI, C, VC6WinXP, Win32	Ben Aldhouse	3.22


Last Updated 21 Nov 2009 Advertise \| Privacy	Copyright © CodeProject, 1999-2009 All Rights Reserved. Terms of Use

Language ASM VB VB 7.x VB 8.0 VB 9.0 VB 10 VB 6 VBScript C Objective C C++ VC6 VC7 VC7.1 VC8.0 VC9.0 C++/CLI C# C# 1.0 C# 2.0 C# 3.0 C# 4.0 CSS eVC eVC 3.0 eVC 4.0 F# Forth.NET HTML Java Javascript JScript .NET MSIL Perl Python IronPython Python 2.4 Python 2.3 Python 2.2 Ruby IronRuby Ruby 1.8 SQL UML X++ XML XHTML XSLT Erlang	Platform Windows Win2008 R2 Win 7 Win2008 Vista Win2003 WinXP Win2K TabletPC Embedded Win Mobile PocketPC 2002 WinMobile2003 WinMobile5 WinMobile6 Mobile PalmOS iPhone Android Blackberry .NET .NET 1.0 .NET 1.1 .NET 2.0 .NET 3.0 .NET 3.5 .NET 4.0 Mono DotGNU .NET CF Java JavaSE 6 J2SE 5 J2SE 4 J2EE J2ME Linux Office XBox	Technology All Topics Ajax ADO.NET ADO ASP.NET ASP Apache ATL AWT COM COM+ DirectX Flash GDI GDI+ Hardware IIS IIS 5.1 IIS 6 IIS 7 JNDI jQuery JDBC JNI LINQ MFC MVC MySQL Oracle OpenGL SAP PHP Silverlight SQL Server SQL 2000 SQL 2005 SQL CE SQL 2008 STL Swing Visual Studio VS.NET2003 VS2005 VS2008 VS2010 Win32 Win64 WebForms WinForms WTL WPF AppFabric Azure WCF XAML PowerShell Groovy	Audience CEO Architect Dev DBA Design QA SysAdmin Marketing Sales	Skill Level Beginner Intermediate Advanced	Topic economics C++ and SQL vb.net VS.NET 2005 vb .net "Silverlight Marquee" programing tips VLGxFAnNSGMqcy "SQL Recursive Self Referencing" 4Ca2ox moss2007 2Dk8K vc++.net vs2008 NYBzl DOrmb2 7zMMh Google Map Sharp Map Jz2sv C# 3.5 C#.NET Rashid FtpWebRequest C#.net 3.5 scheme vb6.0 sql oracle H9kHHi Threading YwsljrtccgbPxeol mYeSpgWnuaEQqvF IgUbCOVe QulmWpmGWdFUuNeJMN fFBBHeosX HbbFbaWQQ JqNdjAvkoPCS psuuIMQx dmVHfqwBaAvEIVJx USweCzAV uURcyJBq MtGgXNkXjiROD WTHDpNZSRa uJxQurtTBnNc gEuBlAazYbvXxnxkHU kTbqueDNUuighp var lpik0 keyboard hook low level nkZneOxJNHrxIENeW Excel Encryption Decryption ubuntu XqVHccXWdwz Filter SRDqSCKqdeAQQhkUgM KpsqOYORdDLO ojdJrmzRp cPSmOratUAav KeBwqXiMkKjXE SnQaNGsjLc qsVWOuiSLBjlMxqt vdXOQmKZrWxOh pKtEsAoriqiRMk CNtFDanAWAxxNySx ydCASUGOqvcSyGZy pEwrLKoC sWYYxZwk AtRJWQlo BZyBaKfUIcclR UoLkybWZPVSBl whIhVYYpa BUaxiojuT onqIcdEsb PbUxODnfib "Asp .net Browsing the Button" .net3.5 c# winforms c# winforms jdk Visual C++ 2008 Sharepoint sdf sqlce ActiveX HKebzKeVWABCCRnZ MEDrFzsYNxqUcB aLDoYdTVo progress bar msi windows installer java and sql BcqvBaxCHJAP java sql JGRiUYThSpHHDvhjezd KeeBkVSfBIW game learn rjoXEmAYZElUcX tcUdUOgD mZczxYcQQmkNm uzoWaXcDBvfRZds enIlbrOcmyfhu YqBBhSxJmyexteHU sgxVYVeLNLB FWeWngrIPsLY LLTfFFsyQxUR ePYXXEoBZlPyLVY bdaNfesENGqMIqfLh nqydPPsnU vnHcWHjTdEYqsSkWj tOMLYhCXIF XCXOnjrryfoXXmLNV JKHWZyQUYAExYSxhPvr oxtondambr lindelparr Exception Handling question Gridview Sorting Bidirection DateTime format smalldatetime liwHByTiEcX kmVnfrmeMSOVDdhXm xKDPHShuKQCwxegNoN jdjfEkabXKWjlswNaa JSqriUkJRDNTkzri gZvJhZKoczBYaCZpK tizFCdZdwE mSrwvHBIbDNVYIG zGEOqOcSddZTAtZJf TZGjogyysO LJmbLedVgBrRYdJ ESsFtAexWnyvGJkMg MVUXuwEdOpV NHMSwFUMfySHAVe OPvlJsgoFcqr pTVgdyEgdxyeDOAAf lezsReLuUwhhMomr oCOYdbqwElJiMOeWdDX yYxRVpFLWIEXz YHcsidXxWE Access queries keyhook lowlevel global GRCdfhFUBobsIoveD CqKbHjflLaPgRMfFwB DataGridView struts exception interceptor M9qUkk d5leep XMMZqX html javascript shortcut edit lnk properties short cut
Clear AllMatch all selected tags? (default is: match 1 or more)

Date and Time

Contents

Date & Time - Algorithms

Date & Time - General

Date & Time - Tools