diff --git a/app/build.gradle b/app/build.gradle
index fb131f3..2b69397 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -32,6 +32,9 @@ apply plugin: 'kotlin-kapt'
 
 android {
     compileOptions {
+        // Flag to enable support for the new language APIs
+        coreLibraryDesugaringEnabled true
+
         sourceCompatibility JavaVersion.VERSION_1_8
         targetCompatibility JavaVersion.VERSION_1_8
     }
@@ -115,6 +118,8 @@ dependencies {
     implementation 'androidx.constraintlayout:constraintlayout:2.1.1'
     implementation 'org.jsoup:jsoup:1.14.3'
 
+    coreLibraryDesugaring("com.android.tools:desugar_jdk_libs:1.1.5")
+
     //multidex
     implementation 'androidx.multidex:multidex:2.0.1'
 
diff --git a/app/src/main/java/apps/amine/bou/readerforselfoss/HomeActivity.kt b/app/src/main/java/apps/amine/bou/readerforselfoss/HomeActivity.kt
index f4dd346..13f4048 100644
--- a/app/src/main/java/apps/amine/bou/readerforselfoss/HomeActivity.kt
+++ b/app/src/main/java/apps/amine/bou/readerforselfoss/HomeActivity.kt
@@ -340,20 +340,16 @@ class HomeActivity : AppCompatActivity(), SearchView.OnQueryTextListener {
     private fun getApiMajorVersion() {
         api.apiVersion.enqueue(object : Callback<ApiVersion> {
             override fun onFailure(call: Call<ApiVersion>, t: Throwable) {
-                if (apiVersionMajor >= 4) {
-                    Config.dateTimeFormatter = "yyyy-MM-dd'T'HH:mm:ssXXX"
-                }
+                Config.apiVersion = apiVersionMajor
             }
 
             override fun onResponse(call: Call<ApiVersion>, response: Response<ApiVersion>) {
                 if(response.body() != null) {
                     val version = response.body() as ApiVersion
                     apiVersionMajor = version.getApiMajorVersion()
-                    sharedPref.edit().putInt("apiVersionMajor", apiVersionMajor).commit()
+                    sharedPref.edit().putInt("apiVersionMajor", apiVersionMajor).apply()
 
-                    if (apiVersionMajor >= 4) {
-                        Config.dateTimeFormatter = "yyyy-MM-dd'T'HH:mm:ssXXX"
-                    }
+                    Config.apiVersion = apiVersionMajor
                 }
             }
         })
diff --git a/app/src/main/java/apps/amine/bou/readerforselfoss/utils/Config.kt b/app/src/main/java/apps/amine/bou/readerforselfoss/utils/Config.kt
index c0dca46..7c5893a 100644
--- a/app/src/main/java/apps/amine/bou/readerforselfoss/utils/Config.kt
+++ b/app/src/main/java/apps/amine/bou/readerforselfoss/utils/Config.kt
@@ -40,7 +40,7 @@ class Config(c: Context) {
 
         const val newItemsChannelId = "new-items-channel-id"
 
-        var dateTimeFormatter = "yyyy-MM-dd HH:mm:ss"
+        var apiVersion = 0
 
         fun logoutAndRedirect(
             c: Context,
diff --git a/app/src/main/java/apps/amine/bou/readerforselfoss/utils/DateUtils.kt b/app/src/main/java/apps/amine/bou/readerforselfoss/utils/DateUtils.kt
new file mode 100644
index 0000000..454ff5a
--- /dev/null
+++ b/app/src/main/java/apps/amine/bou/readerforselfoss/utils/DateUtils.kt
@@ -0,0 +1,31 @@
+package apps.amine.bou.readerforselfoss.utils
+
+import android.text.format.DateUtils
+import java.time.Instant
+import java.time.LocalDateTime
+import java.time.OffsetDateTime
+import java.time.ZoneOffset
+import java.time.format.DateTimeFormatter
+
+fun parseDate(dateString: String): Instant {
+
+    val FORMATTERV1 = "yyyy-MM-dd HH:mm:ss"
+
+    return if (Config.apiVersion >= 4) {
+        OffsetDateTime.parse(dateString).toInstant()
+    } else {
+        LocalDateTime.parse(dateString, DateTimeFormatter.ofPattern(FORMATTERV1)).toInstant(ZoneOffset.UTC)
+    }
+}
+
+fun parseRelativeDate(dateString: String): String {
+
+    val date = parseDate(dateString)
+
+    return " " + DateUtils.getRelativeTimeSpanString(
+            date.toEpochMilli(),
+            Instant.now().toEpochMilli(),
+            DateUtils.MINUTE_IN_MILLIS,
+            DateUtils.FORMAT_ABBREV_RELATIVE
+    )
+}
\ No newline at end of file
diff --git a/app/src/main/java/apps/amine/bou/readerforselfoss/utils/ItemsUtils.kt b/app/src/main/java/apps/amine/bou/readerforselfoss/utils/ItemsUtils.kt
index d0a49b7..b9ba764 100644
--- a/app/src/main/java/apps/amine/bou/readerforselfoss/utils/ItemsUtils.kt
+++ b/app/src/main/java/apps/amine/bou/readerforselfoss/utils/ItemsUtils.kt
@@ -1,16 +1,12 @@
 package apps.amine.bou.readerforselfoss.utils
 
 import android.content.Context
-import android.text.format.DateUtils
 import apps.amine.bou.readerforselfoss.api.selfoss.Item
 import apps.amine.bou.readerforselfoss.api.selfoss.SelfossTagType
-import java.text.ParseException
-import java.text.SimpleDateFormat
-import java.util.*
 
 fun String.toTextDrawableString(c: Context): String {
     val textDrawable = StringBuilder()
-    for (s in this.split(" ".toRegex()).filter { !it.isEmpty() }.toTypedArray()) {
+    for (s in this.split(" ".toRegex()).filter { it.isNotEmpty() }.toTypedArray()) {
         try {
             textDrawable.append(s[0])
         } catch (e: StringIndexOutOfBoundsException) {
@@ -20,17 +16,7 @@ fun String.toTextDrawableString(c: Context): String {
 }
 
 fun Item.sourceAndDateText(): String {
-    val formattedDate: String = try {
-        " " + DateUtils.getRelativeTimeSpanString(
-            SimpleDateFormat(Config.dateTimeFormatter).parse(this.datetime).time,
-            Date().time,
-            DateUtils.MINUTE_IN_MILLIS,
-            DateUtils.FORMAT_ABBREV_RELATIVE
-        )
-    } catch (e: ParseException) {
-        e.printStackTrace()
-        ""
-    }
+    val formattedDate = parseRelativeDate(this.datetime)
 
     return this.getSourceTitle() + formattedDate
 }
diff --git a/app/src/main/java/apps/amine/bou/readerforselfoss/utils/SharedItems.kt b/app/src/main/java/apps/amine/bou/readerforselfoss/utils/SharedItems.kt
index 42fd5d6..c5f114f 100644
--- a/app/src/main/java/apps/amine/bou/readerforselfoss/utils/SharedItems.kt
+++ b/app/src/main/java/apps/amine/bou/readerforselfoss/utils/SharedItems.kt
@@ -398,7 +398,7 @@ object SharedItems {
     }
 
     private fun sortItems() {
-        val tmpItems = ArrayList(items.sortedByDescending { SimpleDateFormat(Config.dateTimeFormatter).parse((it.datetime)) })
+        val tmpItems = ArrayList(items.sortedByDescending { parseDate(it.datetime) })
         items = tmpItems
     }
 }
\ No newline at end of file