diff --git a/server/controllers/public/lessons.js b/server/controllers/public/lessons.js
index 52faeac4..0f929427 100644
--- a/server/controllers/public/lessons.js
+++ b/server/controllers/public/lessons.js
@@ -1,6 +1,10 @@
 const EventPhdCourse = require('../../models/EventPhdCourse')
 
 async function lessonsQuery(req) {
+    // TODO: Forse serve usare $add ~> <https://www.mongodb.com/docs/manual/reference/operator/aggregation/add>
+    const from = req.query.from ? new Date(req.query.from) : new Date()
+    const to = req.query.to ? new Date(req.query.to) : maxDate
+
     const pipeline = [
         {$unwind: '$lessons'},
         {$project: {
diff --git a/server/controllers/public/seminars.js b/server/controllers/public/seminars.js
index e5fc0574..1f91427b 100644
--- a/server/controllers/public/seminars.js
+++ b/server/controllers/public/seminars.js
@@ -1,9 +1,18 @@
 const EventSeminar = require('../../models/EventSeminar')
 
+const maxDate = new Date(8640000000000000);
+
+/** @param {import('@types/express').Request} req */
 async function seminarsQuery(req) {
+    const from = req.query.from ? new Date(req.query.from) : new Date()
+    const to = req.query.to ? new Date(req.query.to) : maxDate
+
     const pipeline = [
         { $match: {
-            startDatetime: {$gte: new Date()}
+            startDatetime: { 
+                $gte: from,
+                $lt: to,
+            },
         }},
         { $lookup: {
             from: 'people',