diff --git a/.gitignore b/.gitignore
index b1dff0d..071dcef 100644
--- a/.gitignore
+++ b/.gitignore
@@ -42,4 +42,8 @@ bin/
 .vscode/
 
 ### Mac OS ###
-.DS_Store
\ No newline at end of file
+.DS_Store
+
+.idea/
+
+.gradle/
\ No newline at end of file
diff --git a/.idea/gradle.xml b/.idea/gradle.xml
index 2a65317..446c193 100644
--- a/.idea/gradle.xml
+++ b/.idea/gradle.xml
@@ -4,8 +4,9 @@
   <component name="GradleSettings">
     <option name="linkedExternalProjectsSettings">
       <GradleProjectSettings>
+        <option name="delegatedBuild" value="false" />
+        <option name="testRunner" value="PLATFORM" />
         <option name="externalProjectPath" value="$PROJECT_DIR$" />
-        <option name="gradleHome" value="" />
         <option name="modules">
           <set>
             <option value="$PROJECT_DIR$" />
diff --git a/.idea/kotlinc.xml b/.idea/kotlinc.xml
index c224ad5..03fcfb7 100644
--- a/.idea/kotlinc.xml
+++ b/.idea/kotlinc.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project version="4">
   <component name="KotlinJpsPluginSettings">
-    <option name="version" value="2.0.21" />
+    <option name="version" value="2.2.0" />
   </component>
 </project>
\ No newline at end of file
diff --git a/.idea/misc.xml b/.idea/misc.xml
index cb276b8..3031755 100644
--- a/.idea/misc.xml
+++ b/.idea/misc.xml
@@ -7,7 +7,7 @@
   <component name="MarkdownSettingsMigration">
     <option name="stateVersion" value="1" />
   </component>
-  <component name="ProjectRootManager" version="2" languageLevel="JDK_17" default="true" project-jdk-name="liberica-17" project-jdk-type="JavaSDK">
+  <component name="ProjectRootManager" version="2" languageLevel="JDK_21" default="true" project-jdk-name="21" project-jdk-type="JavaSDK">
     <output url="file://$PROJECT_DIR$/out" />
   </component>
 </project>
\ No newline at end of file
diff --git a/build.gradle.kts b/build.gradle.kts
index 7dbaad0..6d3edab 100644
--- a/build.gradle.kts
+++ b/build.gradle.kts
@@ -1,5 +1,6 @@
 plugins {
-    kotlin("jvm") version "2.0.21"
+    kotlin("jvm") version "2.2.0"
+    kotlin("plugin.serialization") version "2.2.0"
 }
 
 group = "com.survivalcoding"
@@ -11,11 +12,19 @@ repositories {
 
 dependencies {
     testImplementation(kotlin("test"))
+    implementation("org.jetbrains.kotlinx:kotlinx-serialization-json:1.9.0")
+    implementation("org.jetbrains.kotlinx:kotlinx-datetime:0.6.0")
 }
 
 tasks.test {
     useJUnitPlatform()
 }
+
+kotlin {
+    jvmToolchain(21)
+}
+
+
 kotlin {
-    jvmToolchain(17)
-}
\ No newline at end of file
+    jvmToolchain(21)
+}
diff --git a/src/main/kotlin/YukymController.kt b/src/main/kotlin/YukymController.kt
index cd4bba7..9016449 100644
--- a/src/main/kotlin/YukymController.kt
+++ b/src/main/kotlin/YukymController.kt
@@ -5,7 +5,7 @@ import java.time.format.DateTimeFormatter
 
 class YukymController {
 
-    val nowDate = LocalDateTime.now().format(DateTimeFormatter.ofPattern("yyyy-mm-dd"))
+    val nowDate = LocalDateTime.now().format(DateTimeFormatter.ofPattern("yyyy-MM-dd"))
 
     lateinit var nowTime: String
 
@@ -36,16 +36,16 @@ class YukymController {
 
         val nowTime = LocalDateTime.now()
         when {
-            nowTime.hour >= 0 || nowTime.hour < 2 -> return timeDataOne.first().ty1
-            nowTime.hour >= 4 || nowTime.hour < 6 -> return timeDataOne.first().ty2
-            nowTime.hour >= 6 || nowTime.hour < 8 -> return timeDataOne.first().ty3
-            nowTime.hour >= 8 || nowTime.hour < 10 -> return timeDataOne.first().ty4
-            nowTime.hour >= 10 || nowTime.hour < 12 -> return timeDataOne.first().ty5
-            nowTime.hour >= 12 || nowTime.hour < 14 -> return timeDataOne.first().ty6
-            nowTime.hour >= 16 || nowTime.hour < 18 -> return timeDataOne.first().ty7
-            nowTime.hour >= 18 || nowTime.hour < 20 -> return timeDataOne.first().ty8
-            nowTime.hour >= 20 || nowTime.hour < 22 -> return timeDataOne.first().ty9
-            nowTime.hour >= 22 || nowTime.hour < 24 -> return timeDataOne.first().ty10
+            nowTime.hour >= 0 && nowTime.hour < 2 -> return timeDataOne.first().ty1
+            nowTime.hour >= 4 && nowTime.hour < 6 -> return timeDataOne.first().ty2
+            nowTime.hour >= 6 && nowTime.hour < 8 -> return timeDataOne.first().ty3
+            nowTime.hour >= 8 && nowTime.hour < 10 -> return timeDataOne.first().ty4
+            nowTime.hour >= 10 && nowTime.hour < 12 -> return timeDataOne.first().ty5
+            nowTime.hour >= 12 && nowTime.hour < 14 -> return timeDataOne.first().ty6
+            nowTime.hour >= 16 && nowTime.hour < 18 -> return timeDataOne.first().ty7
+            nowTime.hour >= 18 && nowTime.hour < 20 -> return timeDataOne.first().ty8
+            nowTime.hour >= 20 && nowTime.hour < 22 -> return timeDataOne.first().ty9
+            nowTime.hour >= 22 && nowTime.hour < 24 -> return timeDataOne.first().ty10
         }
 
         return result