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How to Vlookup using Dates in Excel?

Using VLOOKUP with dates in Excel allows you to search for a specific date within a table and return a value associated with that date. It operates just like a standard VLOOKUP function but uses dates as the lookup value. Here’s how to perform a VLOOKUP using dates in Excel:

Step 1: Organize Your Data

Ensure your data is organized in a table format, with the dates you want to search through in the first column, sorted in ascending order. Excel’s VLOOKUP function works best and most predictably when the first column of your lookup range is sorted in ascending order.

Step 2: Enter the VLOOKUP Formula

Click on the cell where you want the lookup result to appear. Start typing the VLOOKUP formula, which follows this syntax:

=VLOOKUP(lookup_value, table_array, col_index_num, [range_lookup])

Example Formula

Assuming your dates are in column A (A1:A100), the values you want to retrieve are in column B (B1:B100), and the specific date you’re looking up is in cell D1, your formula would look like this:

=VLOOKUP(D1, A1:B100, 2, FALSE)

Step 3: Format the Lookup Date Correctly

If you’re entering the date directly into the formula, use the DATE function to ensure Excel interprets it correctly. For example:

=VLOOKUP(DATE(2023,1,15), A1:B100, 2, FALSE)

This looks up the value associated with January 15, 2023.

Step 4: Press Enter and Review the Result

After pressing Enter, Excel will display the value associated with the date you looked up. If Excel cannot find the date, it will return an error, usually #N/A.

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