diff --git a/DIRECTORY.md b/DIRECTORY.md
index 6161d94b8..be2026b8a 100644
--- a/DIRECTORY.md
+++ b/DIRECTORY.md
@@ -35,6 +35,7 @@
 ## Conversions
   * [ArbitraryBase](https://github.com/TheAlgorithms/Javascript/blob/master/Conversions/ArbitraryBase.js)
   * [BinaryToDecimal](https://github.com/TheAlgorithms/Javascript/blob/master/Conversions/BinaryToDecimal.js)
+  * [DateDayDifference](https://github.com/TheAlgorithms/Javascript/blob/master/Conversions/DateDayDifference.js)
   * [DateToDay](https://github.com/TheAlgorithms/Javascript/blob/master/Conversions/DateToDay.js)
   * [DecimalToBinary](https://github.com/TheAlgorithms/Javascript/blob/master/Conversions/DecimalToBinary.js)
   * [DecimalToHex](https://github.com/TheAlgorithms/Javascript/blob/master/Conversions/DecimalToHex.js)