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Date & Time - Algorithms			top
Title / Updated	Author	Score
MS Outlook-style Date Recurrence Patterns Updated: 22 Apr 2002   Date recurrence patterns engine with a UI similar to MS Outlook VC7, NT4, Win2K, Visual Studio, MFC, Dev, Intermediate	Matt Gullett	4.76
Leap Years Updated: 20 Feb 2000   A discussion on the thorny issue of leap years. C++, Windows, Visual Studio, Dev, Beginner	Chris Maunder, LeRoy Baxter	4.44
Remaining Timer Updated: 2 Jul 2008   Estimate the duration of an operation using linear regression. C# 1.0, C# 2.0, C# 3.0, C#, Intermediate	Gilad Kapelushnik	4.33
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# 1.0, C# 2.0, C# 3.0, C#, Dev, Intermediate	Jason Sobell	4.27
Calculating Duration between two Dates in Years, Months and Days - Unedited Updated: 25 Aug 2008   calculate accurate duration between two dates in years, months and days WinXP, C# 2.0, C#, ASP.NET, Windows, Dev, Intermediate	Mohammed Ali Babu	3.86
Calculating Easter Sunday Updated: 23 Nov 2001   How to find Easter Sunday and Ash Wednesday VC6, NT4, Win2K, VS6, MFC, Dev, Intermediate	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, Intermediate	perle1	1.15
Date & Time - General			top
Title / Updated	Author	Score
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, WinXP, VS.NET2003, Dev, Intermediate	DaveeCom	4.76
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, Intermediate	Kailuo Wang	4.60
A Simple Class To Handle Dates Updated: 12 Dec 1999   A class that simplifies common date handling tasks VC6, NT4, VS6, Dev, Intermediate	Richard Stringer	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, VS6, Windows, Dev, Intermediate	Jonathan Gilligan	4.53
Tray Calendar Updated: 2 Aug 2003   A simple application that places a date in the system tray VC6, VC7, VC7.1, NT4, Win2K, VS.NET2003, VS6, MFC, Dev, Intermediate	Chris Maunder	4.51
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, NT4, Visual Studio, Dev, Intermediate	Håkan Still	4.50
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, VC7.1, Win2K, WinXP, Win2003, Visual Studio, Dev, Intermediate	AlexeyU	4.50
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, VC7.1, NT4, Win2K, WinXP, Win2003, Visual Studio, Dev, Intermediate	Mark VanTassel	4.41
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, Intermediate	RK_2000	4.40
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. VC6, NT4, Win2K, WinXP, VS6, MFC, Dev, Intermediate	Ravi Bhavnani	4.36
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, VC7, Win2K, WinXP, Visual Studio, Dev, Intermediate	Victor Vogelpoel	4.31
The CPerfTimer timer class Updated: 27 Apr 2000   This class encapsulates QueryPerformanceCounter for high precision timing VC6, NT4, Visual Studio, Dev, Intermediate	Dean Wyant	4.27
How to synchronise your Windows 2000 machine using SNTP Updated: 6 Jan 2004   Using the Windows 2000 Time Service to set the system clock Win2K, C++, Visual Studio, Dev, Intermediate	Rob Manderson	4.22
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, VS.NET2003, MFC, Dev, Intermediate	Joe Woodbury	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. .NET 1.1, C#, ASP.NET, Windows, Visual Studio, Dev, Intermediate	Anas Bahsas	4.21
CCPUTicker v1.22 - Precision Timing Updated: 3 Mar 2000   An ultra high precision MFC timing class for Pentium or greater CPUs. VC6, NT4, VS6, MFC, Dev, Intermediate	PJ Naughter	4.10
Any Day of the Week Using the Doomsday Rule Updated: 27 Jun 2002   C++ implementation of the Doomsday Rule to determine the weekday. VC6, VC7, Win2K, WinXP, VS6, MFC, Dev, Intermediate	Paul J. Weiss	4.00
Analog Clock Control Updated: 28 Oct 2008   The analog clock control is a control that has almost all the functionality that a clock control can have, and it is fully modifiable. .NET 2.0, VS2005, VB 8.0, Windows, GDI+, Dev, Advanced	VBDT	3.95
Time64 - 64 bit Times for 32 bit Windows Apps Updated: 5 Aug 2003   64-bit version of C time routines for Windows VC6, VC7, VC7.1, Win2K, WinXP, Win2003, VS6, MFC, Dev, Intermediate	R. Walker	3.94
Calculating Christian Holidays Updated: 19 Jul 2005   Calculate dates for christian holidays such as Easter, Ascension day etc. .NET 1.0, .NET 1.1, .NET 2.0, VS.NET2002, VS.NET2003, VS2005, C#, Windows, Dev, Intermediate	Jan Schreuder	3.92
Sunrise/Sunset Calculations Updated: 14 Dec 2000   Code to help calculate sunrise and sunset times VC6, NT4, Win2K, VS6, MFC, Dev, Intermediate	Brian Heilman	3.87
Comparing COleDateTime objects Updated: 14 Nov 2001   Solution to the bad working COleDateTime comparing methods VC6, NT4, Win2K, WinXP, Visual Studio, MFC, Dev, Beginner	Geert Delmeiren	3.86
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. VC6, Win2K, WinXP, VS6, Dev, Intermediate	Alex Mol	3.81
CMultimediaTimer - a periodic timer class Updated: 27 Mar 2002   CMultimediaTimer implements a periodic timer using the Windows Multimedia Timer API VC6, NT4, Win2K, WinXP, VS6, Dev, Intermediate	John P. Curtis	3.79
CWeek - A class for getting the weekday and weeknumber Updated: 22 Mar 2004   Getting the weekday and weeknumber. VC6, VC7, VC7.1, Win2K, WinXP, Win2003, Visual Studio, Dev, Intermediate	Patrik Svensson	3.68
SystemTime to VariantTime with Milliseconds Updated: 9 Feb 2007   Enhanced system time / variant time conversion with milliseconds VC7, WinXP, VS.NET2003, Dev, Intermediate	skarapanahalli	3.67
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. .NET 2.0, WinXP, VS2005, C#, Windows, .NET, Win32, Visual Studio, Dev, Intermediate	kian01	3.57
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. VC6, NT4, Win2K, Visual Studio, Dev, Beginner	Michael Dunn	3.47
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 VC6, Win2K, WinXP, VS6, MFC, Dev, Intermediate	Doru Cioata	3.37
MyDate - A system independent date object Updated: 22 Sep 2003   MyDate is a comprehensive class that wraps the date data type and provide many useful functions and operators for dealing with dates. VC6, VC7, VC7.1, VS6, Windows, Dev, Intermediate	Vijay Mathew Pandyalakal	3.28
Custom ShortDate type (struct: IComparable) Updated: 19 Feb 2005   A struct example. .NET 1.1, C#, ASP.NET, Windows, Visual Studio, Dev, Intermediate	Stefan Prodan	3.24
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, Intermediate	Damir Valiulin	3.20
Jalali (Shamsi) Calendar Class, Simple and Useful - Unedited 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, VC8.0, NT4, Win2K, WinXP, Win2003, Vista, VS.NET2002, VS.NET2003, VS2005, VS6, MFC, Architect, Dev, Design, Intermediate	Ali Tavakol	2.97
How to check if a datetime exists Updated: 7 Aug 2003   An article about checking a datetime. VC6, VC7, VC7.1, NT4, Win2K, WinXP, Win2003, Visual Studio, Dev, Intermediate	Nikolai Serdiuk	2.83
Alternative Timestamp class with no MFC - Unedited 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, eVC 3.0, VS6, eVC 4.0, Windows, Win Mobile, Mobile, Dev, Intermediate	metcarob	2.67
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? .NET 2.0, C# 2.0, C#, .NET, Dev, WinForms, Intermediate	Erichero	2.65
High Resolution Elapsed Timer Updated: 12 Dec 2001   A simple high resolution timer class to help time code blocks. VC6, NT4, Visual Studio, MFC, Dev, Intermediate	Chen Venkataraman	2.60
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. VS.NET2002, VS.NET2003, VS2005, VS6, VS2008, C++, Windows, MFC, STL, Dev, Intermediate	Robert Roose	1.72
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 VC6, VC7, NT4, Win2K, WinXP, VS6, C, MFC, Dev, Intermediate	Sreekanth Muralidharan	1.18
Date & Time - Tools			top
Title / Updated	Author	Score
Simple(x) Date & Time Math Parser Updated: 22 Apr 2004   Date and time class from the SimplexParser freeware. VC6, WinXP, VS6, Dev, Intermediate	Ralf Wirtz	4.48
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, VS6, Windows, Dev, Intermediate	Alvaro Mendez	4.43
Scheduling Future Dates Updated: 1 Oct 2008   Implement repetitive tasks at consistent intervals .NET 2.0, C# 2.0, .NET 3.0, C# 3.0, .NET 3.5, Dev, Intermediate	John Simmons / outlaw programmer	4.17
Seagate Date Code Calculator - Unedited Updated: 6 Aug 2007   How to get the date 20th, November 2005 from this number 06212 .NET 2.0, Win2K, WinXP, Win2003, Vista, VS2005, C# 2.0, C#, Dev, Beginner	Paw Jershauge	4.13
Anthem.PersianCalendar - .Net Persian Calendar WebControl - Unedited Updated: 5 Mar 2008   An Ajax PersianCalendar Control That look like Original Calendar of .Net Framework .NET 2.0, C# 1.0, C# 2.0, .NET 3.0, C# 3.0, C#, ASP.NET, .NET, Ajax, Intermediate	Morteza Alikhani	4.11
Time Client (RFC868) Updated: 6 Apr 2002   Learn how to synchronize your date and time VC6, VC7, NT4, Win2K, WinXP, VS6, MFC, Dev, Intermediate	Orkun GEDiK	3.76
How To Calculate The Age Of A File - Unedited Updated: 9 Mar 2008   Using time and file functions VC6, WinXP, C++, C++/CLI, C, Windows, Win32, Beginner	Ben Aldhouse	2.97