Tag Archives: time

VBA Timer: Create a Stopwatch in Excel VBA

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In this post we will explore the various ways we can set a Timer in Excel VBA as well as how to build your own VBA Stopwatch. Setting timers can be extremly useful if you want to run code as specific time intervals. On the otherhand a practical example can be a VBA Stopwatch which can be useful to measure time elapsed directly in a Excel spreadsheet.

VBA Timer

The most simple example of a VBA Timer can be made using the VBA Timer function:

VBA Timer with Hours, Minutes and Seconds

The above is very useful if you want to measure time elapsed in Seconds, if you want to calculate time elapsed in Hours, Minutes and Seconds you can simply use the VBA Now function with text formatting using VBA Format instead:

VBA Wait

In case you don’t want to measure time elapsed and instead set an interval or delay between code execution you either use the VBA Sleep or VBA Wait procedures like below. Remember that the VBA Sleep function is not a native VBA function and needs to be declared.

VBA Alarms and Scheduling

Another VBA Timer scenario is scheduling procedures to run at a specific time or after a specific time interval like an alarm clock. To do this we use the Excel VBA OnTime procedure:

You can use the VBA OnTime function also to schedule code execution after a specific duration of time. The below will save the current file after every 5 min.

VBA Stopwatch

Using the VBA OnTime function we can also create a simple Excel VBA Stopwatch:
VBA Stopwatch in Excel
As you can see in the example above I created a button that launches a Start / Stop sequence. When the stopwatch is running it increments the TIMESTAMP cell (a named cell). You can use the code below to achieve this. Remember to select your named range as well as to connect your button to the StartStop procedure.

What happens above? When you hit the button the AddSecond procedure will be set to run within a second and then automatically sets itself to run in the next second after updating the timestamp. The next hit of the button will turn of the schedule. This approach may see some slight delays over a longer duration of time (as we are running code before the schedule), however, it should be good enough.