diff --git a/backend/app/graphql/resolvers/calendar.ts b/backend/app/graphql/resolvers/calendar.ts
index 052a957..d89f108 100644
--- a/backend/app/graphql/resolvers/calendar.ts
+++ b/backend/app/graphql/resolvers/calendar.ts
@@ -33,184 +33,184 @@ class CalendarEvent {
 
 const talks1 = [
   {
-    start: "2022-05-11 10:00",
-    end: "2022-05-11 10:30",
-    title: "Ericsson Nikola Tesla",
+    start: "2023-05-17 10:00",
+    end: "2023-05-17 10:30",
+    title: "dSPACE",
     class: "talk",
-    location: "SD Martinovka",
+    location: "Zagrebački Velesajam",
   },
   {
-    start: "2022-05-11 10:30",
-    end: "2022-05-11 11:00",
-    title: "Syntio",
+    start: "2023-05-17 10:30",
+    end: "2023-05-17 11:00",
+    title: "atma",
     class: "talk",
-    location: "SD Martinovka",
+    location: "Zagrebački Velesajam",
   },
 
   {
-    start: "2022-05-11 11:00",
-    end: "2022-05-11 11:30",
-    title: "Memgraph",
+    start: "2023-05-17 11:00",
+    end: "2023-05-17 11:30",
+    title: "Fraunhoffer",
     class: "talk",
-    location: "SD Martinovka",
+    location: "Zagrebački Velesajam",
   },
   {
-    start: "2022-05-11 11:30",
-    end: "2022-05-11 12:00",
-    title: "KONČAR",
+    start: "2023-05-17 11:30",
+    end: "2023-05-17 12:00",
+    title: "Photomath",
     class: "talk",
-    location: "SD Martinovka",
+    location: "Zagrebački Velesajam",
   },
 
   {
-    start: "2022-05-11 12:00",
-    end: "2022-05-11 12:30",
-    title: "Srce",
+    start: "2023-05-17 12:00",
+    end: "2023-05-17 12:30",
+    title: "Freshbooks",
     class: "talk",
-    location: "SD Martinovka",
+    location: "Zagrebački Velesajam",
   },
   {
-    start: "2022-05-11 12:30",
-    end: "2022-05-11 13:00",
-    title: "RealNetworks",
+    start: "2023-05-17 12:30",
+    end: "2023-05-17 13:00",
+    title: "Prenhit",
     class: "talk",
-    location: "SD Martinovka",
+    location: "Zagrebački Velesajam",
   },
 
   {
-    start: "2022-05-11 14:00",
-    end: "2022-05-11 14:30",
-    title: "Ingemark",
+    start: "2023-05-17 14:00",
+    end: "2023-05-17 14:30",
+    title: "Undabot",
     class: "talk",
-    location: "SD Martinovka",
+    location: "Zagrebački Velesajam",
   },
   {
-    start: "2022-05-11 14:30",
-    end: "2022-05-11 15:00",
-    title: "A1",
+    start: "2023-05-17 14:30",
+    end: "2023-05-17 15:00",
+    title: "Ericsson Nikola Tesla",
     class: "talk",
-    location: "SD Martinovka",
+    location: "Zagrebački Velesajam",
   },
 
   {
-    start: "2022-05-11 15:00",
-    end: "2022-05-11 15:30",
-    title: "Trikoder",
+    start: "2023-05-17 15:00",
+    end: "2023-05-17 15:30",
+    title: "Devot",
     class: "talk",
-    location: "SD Martinovka",
+    location: "Zagrebački Velesajam",
   },
   {
-    start: "2022-05-11 15:30",
-    end: "2022-05-11 16:00",
-    title: "Microblink",
+    start: "2023-05-17 15:30",
+    end: "2023-05-17 16:00",
+    title: "CROZ",
     class: "talk",
-    location: "SD Martinovka",
+    location: "Zagrebački Velesajam",
   },
 
   {
-    start: "2022-05-11 16:00",
-    end: "2022-05-11 16:30",
-    title: "DECODE",
+    start: "2023-05-17 16:00",
+    end: "2023-05-17 16:30",
+    title: "Secuirtas",
     class: "talk",
-    location: "SD Martinovka",
+    location: "Zagrebački Velesajam",
   },
   {
-    start: "2022-05-11 16:30",
-    end: "2022-05-11 17:00",
-    title: "Infobip",
+    start: "2023-05-17 16:30",
+    end: "2023-05-17 17:00",
+    title: "Span",
     class: "talk",
-    location: "SD Martinovka",
+    location: "Zagrebački Velesajam",
   },
 ];
 const talks2 = [
   {
-    start: "2022-05-12 10:00",
-    end: "2022-05-12 10:30",
-    title: "mStart",
+    start: "2023-05-18 10:00",
+    end: "2023-05-18 10:30",
+    title: "KONČAR D&ST",
     class: "talk",
-    location: "SD Martinovka",
+    location: "Zagrebački Velesajam",
   },
   {
-    start: "2022-05-12 10:30",
-    end: "2022-05-12 11:00",
-    title: "INETEC",
+    start: "2023-05-18 10:30",
+    end: "2023-05-18 11:00",
+    title: "Happening",
     class: "talk",
-    location: "SD Martinovka",
+    location: "Zagrebački Velesajam",
   },
 
   {
-    start: "2022-05-12 11:00",
-    end: "2022-05-12 11:30",
-    title: "Gideon",
+    start: "2023-05-18 11:00",
+    end: "2023-05-18 11:30",
+    title: "Valcon",
     class: "talk",
-    location: "SD Martinovka",
+    location: "Zagrebački Velesajam",
   },
   {
-    start: "2022-05-12 11:30",
-    end: "2022-05-12 12:00",
-    title: "Ars Futura",
+    start: "2023-05-18 11:30",
+    end: "2023-05-18 12:00",
+    title: "minus5",
     class: "talk",
-    location: "SD Martinovka",
+    location: "Zagrebački Velesajam",
   },
 
   {
-    start: "2022-05-12 12:00",
-    end: "2022-05-12 12:30",
-    title: "Poslovna inteligencija",
+    start: "2023-05-18 12:00",
+    end: "2023-05-18 12:30",
+    title: "CETITEC",
     class: "talk",
-    location: "SD Martinovka",
+    location: "Zagrebački Velesajam",
   },
   {
-    start: "2022-05-12 12:30",
-    end: "2022-05-12 13:00",
-    title: "FIVE",
+    start: "2023-05-18 12:30",
+    end: "2023-05-18 13:00",
+    title: "KONČAR - Institut za elektrotehniku",
     class: "talk",
-    location: "SD Martinovka",
+    location: "Zagrebački Velesajam",
   },
 
   {
-    start: "2022-05-12 14:00",
-    end: "2022-05-12 14:30",
-    title: "Xylon",
+    start: "2023-05-18 14:00",
+    end: "2023-05-18 14:30",
+    title: "Montelektro",
     class: "talk",
-    location: "SD Martinovka",
+    location: "Zagrebački Velesajam",
   },
   {
-    start: "2022-05-12 14:30",
-    end: "2022-05-12 15:00",
-    title: "Span",
+    start: "2023-05-18 14:30",
+    end: "2023-05-18 15:00",
+    title: "Infinum",
     class: "talk",
-    location: "SD Martinovka",
+    location: "Zagrebački Velesajam",
   },
 
   {
-    start: "2022-05-12 15:00",
-    end: "2022-05-12 15:30",
-    title: "Deegloo",
+    start: "2023-05-18 15:00",
+    end: "2023-05-18 15:30",
+    title: "Barrage",
     class: "talk",
-    location: "SD Martinovka",
+    location: "Zagrebački Velesajam",
   },
   {
-    start: "2022-05-12 15:30",
-    end: "2022-05-12 16:00",
-    title: "minus5",
+    start: "2023-05-18 15:30",
+    end: "2023-05-18 16:00",
+    title: "Privredna Banka Zagreb",
     class: "talk",
-    location: "SD Martinovka",
+    location: "Zagrebački Velesajam",
   },
 
   {
-    start: "2022-05-12 16:00",
-    end: "2022-05-12 16:30",
-    title: "Photomath",
+    start: "2023-05-18 16:00",
+    end: "2023-05-18 16:30",
+    title: "Infobip",
     class: "talk",
-    location: "SD Martinovka",
+    location: "Zagrebački Velesajam",
   },
   {
-    start: "2022-05-12 16:30",
-    end: "2022-05-12 17:00",
-    title: "Rimac Automobili",
+    start: "2023-05-18 16:30",
+    end: "2023-05-18 17:00",
+    title: "Deegloo",
     class: "talk",
-    location: "SD Martinovka",
+    location: "Zagrebački Velesajam",
   },
 ];
 const talks = [
@@ -220,123 +220,139 @@ const talks = [
 
 const workshops1 = [
   {
-    start: "2022-05-11 10:00",
-    end: "2022-05-11 12:00",
-    title: "dSPACE",
+    start: "2023-05-17 10:00",
+    end: "2023-05-17 12:00",
+    title: "Undabot",
     class: "workshop",
-    location: "FER - A201",
+    location: "FER - A111",
   },
   {
-    start: "2022-05-11 13:00",
-    end: "2022-05-11 15:00",
-    title: "CROZ",
+    start: "2023-05-17 13:00",
+    end: "2023-05-17 15:00",
+    title: "Comsysto Reply",
     class: "workshop",
-    location: "FER - A201",
+    location: "FER - A111",
   },
   {
-    start: "2022-05-11 16:00",
-    end: "2022-05-11 18:00",
-    title: "SedamIT",
+    start: "2023-05-17 16:00",
+    end: "2023-05-17 18:00",
+    title: "Ericsson Nikola Tesla",
     class: "workshop",
-    location: "FER - A201",
+    location: "FER - A111",
   },
 
   {
-    start: "2022-05-11 10:00",
-    end: "2022-05-11 12:00",
-    title: "Agency04",
+    start: "2023-05-17 10:00",
+    end: "2023-05-17 12:00",
+    title: "Huddle",
     class: "workshop",
-    location: "FER - A301",
+    location: "FER - A201",
   },
   {
-    start: "2022-05-11 13:00",
-    end: "2022-05-11 15:00",
-    title: "ALFATEC",
+    start: "2023-05-17 13:00",
+    end: "2023-05-17 15:00",
+    title: "Ars Futura",
     class: "workshop",
-    location: "FER - A301",
+    location: "FER - A201",
   },
   {
-    start: "2022-05-11 16:00",
-    end: "2022-05-11 18:00",
-    title: "Rimac Automobili",
+    start: "2023-05-17 16:00",
+    end: "2023-05-17 18:00",
+    title: "Njuškalo",
     class: "workshop",
-    location: "FER - A301",
+    location: "FER - A201",
   },
 
   {
-    start: "2022-05-11 10:00",
-    end: "2022-05-11 12:00",
-    title: "True North",
+    start: "2023-05-17 10:00",
+    end: "2023-05-17 12:00",
+    title: "Byte Lab",
     class: "workshop",
     location: "FER - Bijela vijećnica",
   },
   {
-    start: "2022-05-11 13:00",
-    end: "2022-05-11 15:00",
-    title: "Greyp",
+    start: "2023-05-17 13:00",
+    end: "2023-05-17 15:00",
+    title: "Happening",
     class: "workshop",
     location: "FER - Bijela vijećnica",
   },
   {
-    start: "2022-05-11 16:00",
-    end: "2022-05-11 18:00",
-    title: "CARNET",
+    start: "2023-05-17 16:00",
+    end: "2023-05-17 18:00",
+    title: "SysKit",
     class: "workshop",
     location: "FER - Bijela vijećnica",
   },
 ];
 const workshops2 = [
   {
-    start: "2022-05-12 10:00",
-    end: "2022-05-12 12:00",
-    title: "Comsysto Reply",
+    start: "2023-05-18 10:00",
+    end: "2023-05-18 12:00",
+    title: "CROZ",
     class: "workshop",
     location: "FER - Bijela vijećnica",
   },
   {
-    start: "2022-05-12 13:00",
-    end: "2022-05-12 15:00",
-    title: "Undabot",
+    start: "2023-05-18 13:00",
+    end: "2023-05-18 15:00",
+    title: "IMC Trading",
     class: "workshop",
     location: "FER - Bijela vijećnica",
   },
   {
-    start: "2022-05-12 16:00",
-    end: "2022-05-12 18:00",
-    title: "Ericsson",
+    start: "2023-05-18 16:00",
+    end: "2023-05-18 18:00",
+    title: "ReversingLabs",
     class: "workshop",
     location: "FER - Bijela vijećnica",
   },
 
   {
-    start: "2022-05-12 10:00",
-    end: "2022-05-12 12:00",
-    title: "KONČAR",
+    start: "2023-05-18 10:00",
+    end: "2023-05-18 12:00",
+    title: "Photomath",
     class: "workshop",
-    location: "FER - SPOCK",
+    location: "FER - A211",
   },
   {
-    start: "2022-05-12 13:00",
-    end: "2022-05-12 15:00",
-    title: "Byte Lab",
+    start: "2023-05-18 13:00",
+    end: "2023-05-18 15:00",
+    title: "Blockhouse Technology",
     class: "workshop",
-    location: "FER - SPOCK",
+    location: "FER - A211",
   },
   {
-    start: "2022-05-12 16:00",
-    end: "2022-05-12 18:00",
-    title: "Ars Futura",
+    start: "2023-05-18 16:00",
+    end: "2023-05-18 18:00",
+    title: "Valcon",
     class: "workshop",
-    location: "FER - SPOCK",
+    location: "FER - A211",
   },
-
+  
   {
-    start: "2022-05-12 16:00",
-    end: "2022-05-12 18:00",
+    start: "2023-05-18 10:00",
+    end: "2023-05-18 12:00",
     title: "Televend by Intis",
     class: "workshop",
-    location: "FER - A211",
+    location: "FER - A111",
   },
+  {
+    start: "2023-05-18 13:00",
+    end: "2023-05-18 15:00",
+    title: "Aircash",
+    class: "workshop",
+    location: "FER - A111",
+  },
+  {
+    start: "2023-05-18 16:00",
+    end: "2023-05-18 18:00",
+    title: "CS Computer Systems",
+    class: "workshop",
+    location: "FER - A111",
+  },
+
+ 
 ];
 const workshops = [
   ...workshops1,
@@ -358,24 +374,24 @@ const events = [
   ...talks,
   ...workshops,
   {
-    start: "2022-05-11 13:00",
-    end: "2022-05-11 14:00",
-    title: "Panel",
+    start: "2023-05-17 13:00",
+    end: "2023-05-17 14:00",
+    title: "Panel rasprava",
     class: "panel",
-    location: "SD Martinovka",
+    location: "Zagrebački Velesajam",
     noGroup: true,
   },
   {
-    start: "2022-05-12 13:00",
-    end: "2022-05-12 14:00",
+    start: "2023-05-18 13:00",
+    end: "2023-05-18 14:00",
     title: "Hot Talk",
     class: "hot-talk",
-    location: "SD Martinovka",
+    location: "Zagrebački Velesajam",
     noGroup: true,
   },
   {
-    start: "2022-05-11 18:00",
-    end: "2022-05-11 20:00",
+    start: "2023-05-17 18:00",
+    end: "2023-05-17 20:00",
     title: "Loosen Up party",
     class: "loosen-up",
     location: "KSET",