VBA Date and Time Functions in Excel. VBA Date and Time Functions help us to convert date and time from one format to another. These are DATE, DATEDIFF, DATEPART, DATESERIAL, DATEVALUE, DAY, HOUR, MINUTE, MONTH, NOW, TIME, TIMESERIAL, TIMEVALUE etc. Date & Time functions are Built-In functions. We can use these VBA Date and Time functions in either procedure or function. These functions we use in the VBA editor window in Excel. These Date and Time functions you can use any number of times in VBA macro codes.
List of Date and Time Functions in Excel VBA:
Here are the list of Date and Time functions. And also find its description, syntax and return type. We can use these multiple Date and Time functions in one statement.
|VBA Date function returns current system date.
|VBA DateAdd function returns a date after which a certain time or date interval has been added.
|DateAdd(Interval, Number, Date)
|VBA DateDiff function returns the difference between two date values. It depends on the specified interval.
|DateDiff (Interval,Date1,Date2, FirstDayOfWeek,FirstWeekOfYear)
|VBA DatePart function returns a specified part of a supplied date or time
|VBA DateSerial function returns date.
|DateSerial(year, month, day)
|VBA DateValue function returns the date value for specified string input.
|VBA Day function returns day from date.
|VBA Hour function returns hour from time.
|VBA Minute function returns Minute from time.
|VBA Month function returns month from date.
|VBA MonthName function returns a string representing the month given a number from 1 to 12.
|VBA Now function returns system date and time.
|VBA Time function returns current system time.
|VBA TimeSerialfunction returns time.
|TimeSerial(hour, minute, second)
|VBA TimeValue function returns the date value for specified input represents date.
|VBA Weekday function returns a number representing the day of the week, given a date value.
|VBA WeekdayName function returns a string representing the day of the week given a number from 1 to 7.
|VBA Year function returns year from date.
Use cases of the Date and Time Functions in Excel VBA:
Let us know the common use cases of the date and time functions in VBA.
1. Calculating Time Differences: You can use the date and time functions to calculate the time difference between two dates or times. For example, you can subtract two date values using the ‘DateDiff’ function to determine the number of days, months, or years between them.
2. Formatting Dates and Times: The ‘FormatDateTime’ function allows you to format date and time values according to various formats. You can format dates as short dates, long dates, or custom formats, and format times with different levels of precision.
3. Extracting Date Components: The Year, Month, and Day functions are useful for extracting specific components from a date. You can use these functions to retrieve the year, month, or day from a date value and perform further calculations or operations based on those components.
4. Working with Time Components: The Hour, Minute, and Second functions allow you to extract the hour, minute, or second from a time value. You can use these functions to perform calculations or manipulate time values based on their components.
5. Converting Text to Date or Time Values: The ‘DateValue’ and ‘TimeValue’ functions are handy when you have date or time values stored as text and need to convert them into date or time values that can be used in calculations or comparisons.
6. Timestamping Data: When recording data or creating logs, you can use the Now function to insert a timestamp in each entry. This provides a way to track when certain events or actions occurred.
7. Conditional Date or Time Formatting: You can combine the date and time functions with conditional statements in VBA to format dates or times based on specific conditions. This allows you to dynamically apply different formats depending on certain criteria.
8. Date and Time Stamp:Use the Now function to add a date and time stamp to your Excel worksheet or log file whenever a certain action or event occurs. This can be helpful for tracking changes or recording the time of specific events.
9. Date Calculations:By using functions like Year, Month, and Day, you can perform calculations based on specific date components. For example, you can calculate the age of a person based on their birthdate or determine the number of days between two dates.
10. Data Filtering:The date and time functions can help you filter data based on specific date or time criteria. You can use functions like Year, Month, and Day to extract date components and filter records based on certain conditions, such as retrieving all sales transactions from a specific month.
11. Date and Time Conversions:The ‘DateValue’ and ‘TimeValue’ functions are handy for converting text values representing dates or times into actual date or time values. This is useful when importing data from external sources or when dealing with data stored as text.
12. Scheduling Tasks:You can use the date and time functions to schedule tasks or events in your VBA code. For example, you can set up a macro to run at a specific time each day or trigger an action when a certain date or time condition is met.
These are just a few examples of how we can use the date and time functions in VBA to manipulate and work with date and time values in Excel. The functions provide you with the flexibility to perform various operations and automate tasks involving dates and times. The functions provide a powerful tool set for handling various date and time-related tasks in your VBA macros.
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