diff --git a/app/assets/javascripts/discourse/app/lib/formatter.js b/app/assets/javascripts/discourse/app/lib/formatter.js
index 88bb72094db..45fcad75694 100644
--- a/app/assets/javascripts/discourse/app/lib/formatter.js
+++ b/app/assets/javascripts/discourse/app/lib/formatter.js
@@ -296,7 +296,7 @@ export function relativeAgeMediumSpan(distance, leaveAgo) {
       break;
     case distanceInMinutes >= 2520 && distanceInMinutes <= 129599:
       formatted = t("x_days", {
-        count: Math.round((distanceInMinutes - 720.0) / 1440.0),
+        count: Math.round(distanceInMinutes / 1440.0),
       });
       break;
     case distanceInMinutes >= 129600 && distanceInMinutes <= 525599:
diff --git a/app/assets/javascripts/discourse/tests/unit/lib/formatter-test.js b/app/assets/javascripts/discourse/tests/unit/lib/formatter-test.js
index 4940b7ec785..e40968002e5 100644
--- a/app/assets/javascripts/discourse/tests/unit/lib/formatter-test.js
+++ b/app/assets/javascripts/discourse/tests/unit/lib/formatter-test.js
@@ -92,7 +92,7 @@ module("Unit | Utility | formatter", function (hooks) {
     );
     assert.strictEqual(
       strip(formatDays(4.85, { format: "medium", leaveAgo: true })),
-      "4 days ago"
+      "5 days ago"
     );
 
     assert.strictEqual(strip(formatMins(0, { format: "medium" })), "just now");
@@ -110,7 +110,7 @@ module("Unit | Utility | formatter", function (hooks) {
       "23 hours"
     );
     assert.strictEqual(strip(formatHours(23.5, { format: "medium" })), "1 day");
-    assert.strictEqual(strip(formatDays(4.85, { format: "medium" })), "4 days");
+    assert.strictEqual(strip(formatDays(4.85, { format: "medium" })), "5 days");
 
     assert.strictEqual(
       strip(formatDays(6, { format: "medium" })),