diff --git a/packages/backend/src/apps/formatter/actions/date-time/transformers/format-date-time.js b/packages/backend/src/apps/formatter/actions/date-time/transformers/format-date-time.js
index 47f0266d..cc93ae76 100644
--- a/packages/backend/src/apps/formatter/actions/date-time/transformers/format-date-time.js
+++ b/packages/backend/src/apps/formatter/actions/date-time/transformers/format-date-time.js
@@ -5,11 +5,24 @@ const formatDateTime = ($) => {
 
   const fromFormat = $.step.parameters.fromFormat;
   const fromTimezone = $.step.parameters.fromTimezone;
+  let inputDateTime;
 
-  const inputDateTime = DateTime.fromFormat(input, fromFormat, {
-    zone: fromTimezone,
-    setZone: true,
-  });
+  if (fromFormat === 'X') {
+    inputDateTime = DateTime.fromSeconds(Number(input), fromFormat, {
+      zone: fromTimezone,
+      setZone: true,
+    });
+  } else if (fromFormat === 'x') {
+    inputDateTime = DateTime.fromMillis(Number(input), fromFormat, {
+      zone: fromTimezone,
+      setZone: true,
+    });
+  } else {
+    inputDateTime = DateTime.fromFormat(input, fromFormat, {
+      zone: fromTimezone,
+      setZone: true,
+    });
+  }
 
   const toFormat = $.step.parameters.toFormat;
   const toTimezone = $.step.parameters.toTimezone;