diff --git a/types/tocktimer/index.d.ts b/types/tocktimer/index.d.ts
new file mode 100644
index 0000000000..20bd344c83
--- /dev/null
+++ b/types/tocktimer/index.d.ts
@@ -0,0 +1,89 @@
+// Type definitions for tocktimer 1.0
+// Project: https://github.com/mrchimp/tock
+// Definitions by: Evan Shortiss <https://github.com/evanshortiss>
+// Definitions: https://github.com/DefinitelyTyped/DefinitelyTyped
+
+declare function t(opts?: t.TockOptions): t.Tock;
+
+declare namespace t {
+    interface TockOptions {
+        /**
+         * Defaults to 10 milliseconds. How often, in milliseconds, that the clock will tick.
+         */
+        interval?: number;
+
+        /**
+         * Defaults to false. If true, the clock will count down from a given time, otherwise it will count up from 0:00.
+         */
+        countdown?: boolean;
+
+        /**
+         * Callback function executed on each tick
+         */
+        callback(): void;
+
+        /**
+         * Callback function executed when the timer is complete
+         */
+        complete(): void;
+    }
+
+    class Tock {
+        /**
+         * Create a Tock instance
+         * @param opts
+         */
+        constructor(opts?: TockOptions)
+
+        /**
+         * Start the timer
+         * @param [time] {Number} Optional. Can be either a countdown value or a starting value.
+         * If a countdown timer then set time to count down from.
+         * If a starting value then set time to the desired start time to count up from.
+         */
+        start: (time?: number) => void;
+
+        /**
+         * Stop the clock and clear the timeout
+         */
+        stop: () => void;
+
+        /**
+         * Stop the clock if it's running, continue clock if paused
+         */
+        pause: () => void;
+
+        /**
+         * Reset times to zero. Countdown clocks need a duration to be passed to start() after reset() is called.
+         */
+        reset: () => void;
+
+        /**
+         * Returns the elapsed time in milliseconds
+         */
+        lap: () => number;
+
+        /**
+         * Convert number of milliseconds to a MM:SS time string. Won't handle times greater than 1 hour
+         * @param ms
+         */
+        msToTime: (ms: number) => string;
+
+        /**
+         * Convert number of milliseconds to timecode string
+         * @param ms
+         * @param showMs
+         */
+        msToTimecode: (ms: number, showMs?: boolean) => string;
+
+        /**
+         * Convert a time string to a number of milliseconds. Should be a duration as a string of form MM:SS, MM:SS:ms, MM:SS.ms, HH:MM:SS
+         * Alternatively a time in the future can be provided using the form yyyy-mm-dd HH:MM:SS.ms. The difference between this time and present will be returned.
+         * If the input cannot be recognized as one of the above then 0 is returned
+         * @param ms
+         */
+        timeToMS: (time: string) => number;
+    }
+}
+
+export = t;
diff --git a/types/tocktimer/tocktimer-tests.ts b/types/tocktimer/tocktimer-tests.ts
new file mode 100644
index 0000000000..85f911b8a9
--- /dev/null
+++ b/types/tocktimer/tocktimer-tests.ts
@@ -0,0 +1,28 @@
+import * as tock from 'tocktimer';
+
+let timer: tock.Tock;
+
+let opts: tock.TockOptions;
+
+// Opts that conform to spec
+opts = {
+    interval: 100,
+    countdown: true,
+    callback: () => {
+        // Tick tock...clock is ticking
+    },
+    complete: () => {
+        // Ding ding...time's up
+    }
+};
+
+// Create a tock instance
+timer = tock();
+
+timer.lap();
+timer.msToTime(Date.now());
+timer.msToTimecode(Date.now());
+timer.pause();
+timer.reset();
+timer.stop();
+timer.timeToMS('12:51');
diff --git a/types/tocktimer/tsconfig.json b/types/tocktimer/tsconfig.json
new file mode 100644
index 0000000000..131bc07cde
--- /dev/null
+++ b/types/tocktimer/tsconfig.json
@@ -0,0 +1,22 @@
+{
+    "compilerOptions": {
+        "module": "commonjs",
+        "lib": [
+            "es6"
+        ],
+        "noImplicitAny": true,
+        "noImplicitThis": true,
+        "strictNullChecks": true,
+        "baseUrl": "../",
+        "typeRoots": [
+            "../"
+        ],
+        "types": [],
+        "noEmit": true,
+        "forceConsistentCasingInFileNames": true
+    },
+    "files": [
+        "index.d.ts",
+        "tocktimer-tests.ts"
+    ]
+}
diff --git a/types/tocktimer/tslint.json b/types/tocktimer/tslint.json
new file mode 100644
index 0000000000..3db14f85ea
--- /dev/null
+++ b/types/tocktimer/tslint.json
@@ -0,0 +1 @@
+{ "extends": "dtslint/dt.json" }