diff --git a/lib/make/time.js b/lib/make/time.js
index e69de29..bf553e8 100644
--- a/lib/make/time.js
+++ b/lib/make/time.js
@@ -0,0 +1,14 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+make.time = {
+  unit: function () {
+    return random.pick([
+      's', 'ms'
+    ])
+  },
+  any: function () {
+    return make.number.any() + make.time.unit()
+  }
+}