diff --git a/typescript/types/modules.d.ts b/typescript/types/modules.d.ts
index 1227250c3..3ba43d38b 100644
--- a/typescript/types/modules.d.ts
+++ b/typescript/types/modules.d.ts
@@ -7,3 +7,4 @@ declare function require(moduleName: "clock_info"): typeof ClockInfo;
 declare function require(moduleName: "Layout"): typeof Layout.Layout;
 declare function require(moduleName: "power_usage"): PowerUsageModule;
 declare function require(moduleName: "exstats"): typeof ExStats;
+declare function require(moduleName: "time_utils"): typeof TimeUtils;
diff --git a/typescript/types/time_utils.d.ts b/typescript/types/time_utils.d.ts
new file mode 100644
index 000000000..c176ffac6
--- /dev/null
+++ b/typescript/types/time_utils.d.ts
@@ -0,0 +1,18 @@
+declare module TimeUtils {
+	type TimeObj = {
+		d: number,
+		h: number,
+		m: number,
+		s: number,
+	};
+
+	function encodeTime(time: TimeObj): number;
+
+	function decodeTime(millis: number): TimeObj;
+
+	function formatTime(value: number | TimeObj): string
+
+	function formatDuration(value: number | TimeObj, compact?: boolean): string;
+
+	function getCurrentTimeMillis(): number;
+}