Problems
How do I check if a date is in the current century?
Date comparisons are fairly easy in ColdFusion. One common task is to compare a date value to the cu...
How do I format an Active Directory Timestamp?
Time in Active Directory is stored in a 64 bit integer that keeps track of the number of 100-Nanose...
How do I retrieve the dates for specific days of the week for all months in a year, and put them into an array?
While there is no ColdFusion specific function to return this, it is possible to build such function...
How do you determine the beginning of a given week?
When building online calendars it's often useful to know the first day of the week for a given date...
You have a date and time in Epoch seconds that you would like to convert to a date/time object.
Use DateAdd() to add the Epoch seconds to the Epoch date.
ColdFusion does not natively deal with ...
You have a date, time, or both and you need to convert it to Epoch seconds.
Use the DateDiff() function to do the conversion. If you are converting from local time, you'll fir...
You have a string, such as user input, that you need to convert to a date/time object.
The ParseDateTime() function, and its locale specific sibling LSParseDateTime() can be used to conve...
You have two dates/times you want to compare.
You have two dates/times you want to compare.
Use one of ColdFusion's comparison operators in an ...
You need to create a date/time object.
You can write the date/time value as a string, or use the CreateDate(), CreateTime(), CreateDateTime...
You need to determine the difference between two dates or times.
Use DateDiff() to return the interval between two dates and/or times. The DateDiff() function is us...
You need to determine whether a string or numeric value is a valid date object.
Use IsDate() or LSIsDate() for strings, or IsNumericDate() for numeric values. The IsDate() functio...
You need to extract the day/month/year/hour/minute/second (DMYHMS), day of the week/year, week number, or quarter from a date/time object.
DatePart() accepts two parameters, the datepart you want to extract, and the date you want to extrac...
You need to format a date/time object.
To format a date for the English (US) locale, use the DateFormat() function. For times using the U....
You need to get the current date/time from the server.
The Now() function can be used to obtain the current date/time from the ColdFusion server:
The ...
You want to add to or subtract from a date/time object.
The DateAdd() function can be used to add or subtract various units of time from a date/time object....