How to Convert 5-Digit Julian Dates to Regular Dates in Excel. The Julian date format is a five digit number broken into two parts: a two-digit representation of the year followed by a three-digit ...

To convert a serial number to a date format, follow the steps below. Select the cell you want to format. On the Home tab in the Number group, click the bottom right arrow.

When this happens, use the DATEVALUE function to convert the text dates to Excel serial numbers. ... In the Format Cells window, select a custom date format with minutes and seconds, then click OK.

Below is a screenshot of a snippet of the dates we will be converting in our Excel spreadsheet. If each date is in one cell, as they are in the spreadsheet above, they will need to be dissected first.

In Microsoft Excel, you don’t need an expression to calculate someone’s age – use Power Query to simplify the process.