diff --git a/app/src/main/java/org/tasks/time/DateTimeUtils.java b/app/src/main/java/org/tasks/time/DateTimeUtils.java
deleted file mode 100644
index 10a66de2a..000000000
--- a/app/src/main/java/org/tasks/time/DateTimeUtils.java
+++ /dev/null
@@ -1,38 +0,0 @@
-package org.tasks.time;
-
-import android.annotation.SuppressLint;
-import java.util.Date;
-import org.tasks.BuildConfig;
-
-public class DateTimeUtils {
-
-  private static final SystemMillisProvider SYSTEM_MILLIS_PROVIDER = new SystemMillisProvider();
-  private static volatile MillisProvider MILLIS_PROVIDER = SYSTEM_MILLIS_PROVIDER;
-
-  public static long currentTimeMillis() {
-    return MILLIS_PROVIDER.getMillis();
-  }
-
-  public static void setCurrentMillisFixed(long millis) {
-    MILLIS_PROVIDER = new FixedMillisProvider(millis);
-  }
-
-  public static void setCurrentMillisSystem() {
-    MILLIS_PROVIDER = SYSTEM_MILLIS_PROVIDER;
-  }
-
-  public static String printTimestamp(long timestamp) {
-    return BuildConfig.DEBUG ? new Date(timestamp).toString() : Long.toString(timestamp);
-  }
-
-  @SuppressLint("DefaultLocale")
-  public static String printDuration(long millis) {
-    if (BuildConfig.DEBUG) {
-      long seconds = millis / 1000;
-      return String.format(
-          "%dh %dm %ds", seconds / 3600L, (int) (seconds % 3600L / 60L), (int) (seconds % 60L));
-    } else {
-      return Long.toString(millis);
-    }
-  }
-}
diff --git a/app/src/main/java/org/tasks/time/DateTimeUtils.kt b/app/src/main/java/org/tasks/time/DateTimeUtils.kt
new file mode 100644
index 000000000..8fc560a15
--- /dev/null
+++ b/app/src/main/java/org/tasks/time/DateTimeUtils.kt
@@ -0,0 +1,40 @@
+package org.tasks.time
+
+import android.annotation.SuppressLint
+import org.tasks.BuildConfig
+import java.util.*
+
+object DateTimeUtils {
+    private val SYSTEM_MILLIS_PROVIDER = SystemMillisProvider()
+
+    @Volatile
+    private var MILLIS_PROVIDER: MillisProvider = SYSTEM_MILLIS_PROVIDER
+
+    @JvmStatic
+    fun currentTimeMillis(): Long {
+        return MILLIS_PROVIDER.millis
+    }
+
+    fun setCurrentMillisFixed(millis: Long) {
+        MILLIS_PROVIDER = FixedMillisProvider(millis)
+    }
+
+    fun setCurrentMillisSystem() {
+        MILLIS_PROVIDER = SYSTEM_MILLIS_PROVIDER
+    }
+
+    fun printTimestamp(timestamp: Long): String {
+        return if (BuildConfig.DEBUG) Date(timestamp).toString() else timestamp.toString()
+    }
+
+    @SuppressLint("DefaultLocale")
+    fun printDuration(millis: Long): String {
+        return if (BuildConfig.DEBUG) {
+            val seconds = millis / 1000
+            String.format(
+                    "%dh %dm %ds", seconds / 3600L, (seconds % 3600L / 60L).toInt(), (seconds % 60L).toInt())
+        } else {
+            millis.toString()
+        }
+    }
+}
\ No newline at end of file