diff --git a/src/toggle-mercadolivre-posting-date.js b/src/toggle-mercadolivre-posting-date.js
new file mode 100644
index 0000000..4ec4f2b
--- /dev/null
+++ b/src/toggle-mercadolivre-posting-date.js
@@ -0,0 +1,49 @@
+
+/**
+ * refs:
+ *  -
+ * limitations:
+ *  -
+ */
+
+// @twing-include {% include 'building_blocks/shared/partials/utils.js' %}
+
+const BLOCK_NAME = "toggle-mercadolivre-posting-date";
+
+const removeItself = () => {
+  let e = document.querySelector("#" + BLOCK_NAME);
+  e.parentNode.removeChild(e);
+  e = null;
+  window.blockFn[BLOCK_NAME] = null;
+  delete window.blockFn[BLOCK_NAME];
+};
+
+if (document.querySelector("#" + BLOCK_NAME)) {
+  blockFn[BLOCK_NAME].removeItself();
+} else {
+
+  if (!window.blockFn) {
+    window.blockFn = {};
+  }
+  window.blockFn[BLOCK_NAME] = {};
+  window.blockFn[BLOCK_NAME].removeItself = removeItself;
+
+  let mainPostElement = document.querySelector("#ui-pdp-main-container");
+
+  let preloadedData = window[ "__PRELOADED_STATE__"];
+  let postingDateValue = nestedValue(preloadedData, 'initialState.components.track.gtm_event.startTime');
+
+  if (mainPostElement && postingDateValue) {
+    let postingDateElement = document.createElement('span');
+    postingDateElement.id = BLOCK_NAME;
+    fill(postingDateElement.style,
+      ['position', 'fontSize', 'fontFamily', 'marginLeft'],
+      ['absolute', '11px', 'sans-serif', '5px']
+    );
+
+    let formattedDateValue = new Intl.DateTimeFormat('pt-BR', { dateStyle: 'full', timeStyle: 'long', timeZone: 'America/Sao_Paulo' }).format(new Date(postingDateValue));
+    postingDateElement.textContent = `Postado em: ${formattedDateValue}`;
+
+    mainPostElement.insertAdjacentElement('beforebegin', postingDateElement);
+  }
+}