There are various methods to format time entries in Excel to visualize time the way you want. The best way is using the Format Cells dialog and applying custom codes as mentioned in the following table:, Assuming the cell you want to check will never contain a number for a time value over 24 hours (since that would show as a time but be for the next day), then I think this should work IsRealTime = (Len(Trim(Cell.Value)) > 0 And Cell.Value >= 0 And Cell.Value < 1), Everything you need to know about formatting time in Excel: how to change time to 12 hour or 24 hour format, apply custom formatting, format date time values, and more., To get Microsoft Excel to correctly show times beyond 24 hours, use one of the custom time formats listed below. You can also customize your own preferred time format. Step 1: Select the cell (s) in an Excel sheet where you wish to apply or alter the time format., Knowing the range of values that can be used for dates and times, along with the fact that a cell containing a time should be formatted properly to display a time, you can create a formula that will indicate if a cell contains a time: This formula checks the formatting applied to cell B2., So, let's unravel the mystery behind time formatting in Excel together. In this article, we'll cover everything from the basics of time formatting to more advanced techniques..