diff --git a/types/tz-offset/index.d.ts b/types/tz-offset/index.d.ts
new file mode 100644
index 0000000000..74bce60780
--- /dev/null
+++ b/types/tz-offset/index.d.ts
@@ -0,0 +1,27 @@
+// Type definitions for tz-offset 0.0
+// Project: https://github.com/node-cron/tz-offset, https://github.com/merencia/tz-offset
+// Definitions by: Richard Honor <https://github.com/RMHonor>
+// Definitions: https://github.com/DefinitelyTyped/DefinitelyTyped
+
+export type Timezone = 'Etc/GMT+12' | 'Pacific/Pago_Pago' | 'Pacific/Midway' | 'Pacific/Honolulu' | 'America/Juneau' | 'America/Los_Angeles' | 'America/Tijuana' | 'America/Phoenix' |
+                       'America/Chihuahua' | 'America/Mazatlan' | 'America/Denver' | 'America/Guatemala' | 'America/Chicago' | 'America/Mexico_City' | 'America/Monterrey' | 'America/Regina' |
+                       'America/Bogota' | 'America/New_York' | 'America/Indiana/Indianapolis' | 'America/Lima' | 'America/Halifax' | 'America/Caracas' | 'America/Guyana' | 'America/La_Paz' |
+                       'America/Puerto_Rico' | 'America/Santiago' | 'America/St_Johns' | 'America/Sao_Paulo' | 'America/Argentina/Buenos_Aires' | 'America/Godthab' | 'America/Montevideo' |
+                       'Atlantic/South_Georgia' | 'Atlantic/Azores' | 'Atlantic/Cape_Verde' | 'Africa/Casablanca' | 'Europe/London' | 'Europe/Lisbon' | 'Africa/Monrovia' | 'Etc/UTC' |
+                       'Europe/Amsterdam' | 'Europe/Belgrade' | 'Europe/Berlin' | 'Europe/Zurich' | 'Europe/Bratislava' | 'Europe/Brussels' | 'Europe/Budapest' | 'Europe/Copenhagen' |
+                       'Europe/Dublin' | 'Europe/Ljubljana' | 'Europe/Madrid' | 'Europe/Paris' | 'Europe/Prague' | 'Europe/Rome' | 'Europe/Sarajevo' | 'Europe/Skopje' | 'Europe/Stockholm' |
+                       'Europe/Vienna' | 'Europe/Warsaw' | 'Africa/Algiers' | 'Europe/Zagreb' | 'Europe/Athens' | 'Europe/Bucharest' | 'Africa/Cairo' | 'Africa/Harare' | 'Europe/Helsinki' |
+                       'Asia/Jerusalem' | 'Europe/Kaliningrad' | 'Europe/Kiev' | 'Africa/Johannesburg' | 'Europe/Riga' | 'Europe/Sofia' | 'Europe/Tallinn' | 'Europe/Vilnius' | 'Asia/Baghdad' |
+                       'Europe/Istanbul' | 'Asia/Kuwait' | 'Europe/Minsk' | 'Europe/Moscow' | 'Africa/Nairobi' | 'Asia/Riyadh' | 'Europe/Volgograd' | 'Asia/Tehran' | 'Asia/Muscat' | 'Asia/Baku' |
+                       'Europe/Samara' | 'Asia/Tbilisi' | 'Asia/Yerevan' | 'Asia/Kabul' | 'Asia/Yekaterinburg' | 'Asia/Karachi' | 'Asia/Tashkent' | 'Asia/Kolkata' | 'Asia/Colombo' |
+                       'Asia/Kathmandu' | 'Asia/Almaty' | 'Asia/Dhaka' | 'Asia/Urumqi' | 'Asia/Rangoon' | 'Asia/Bangkok' | 'Asia/Jakarta' | 'Asia/Krasnoyarsk' | 'Asia/Novosibirsk' | 'Asia/Shanghai' |
+                       'Asia/Chongqing' | 'Asia/Hong_Kong' | 'Asia/Irkutsk' | 'Asia/Kuala_Lumpur' | 'Australia/Perth' | 'Asia/Singapore' | 'Asia/Taipei' | 'Asia/Ulaanbaatar' | 'Asia/Tokyo' |
+                       'Asia/Seoul' | 'Asia/Yakutsk' | 'Australia/Adelaide' | 'Australia/Darwin' | 'Australia/Brisbane' | 'Australia/Melbourne' | 'Pacific/Guam' | 'Australia/Hobart' |
+                       'Pacific/Port_Moresby' | 'Australia/Sydney' | 'Asia/Vladivostok' | 'Asia/Magadan' | 'Pacific/Noumea' | 'Pacific/Guadalcanal' | 'Asia/Srednekolymsk' | 'Pacific/Auckland' |
+                       'Pacific/Fiji' | 'Asia/Kamchatka' | 'Pacific/Majuro' | 'Pacific/Chatham' | 'Pacific/Tongatapu' | 'Pacific/Apia' | 'Pacific/Fakaofo';
+
+export function offsetOf(timezone: Timezone): number;
+
+export function removeOffset(date: Date): number;
+
+export function timeAt(date: Date, timezone: Timezone): Date;
diff --git a/types/tz-offset/tsconfig.json b/types/tz-offset/tsconfig.json
new file mode 100644
index 0000000000..b4743b31f7
--- /dev/null
+++ b/types/tz-offset/tsconfig.json
@@ -0,0 +1,26 @@
+{
+    "compilerOptions": {
+        "module": "commonjs",
+        "lib": [
+            "dom",
+            "es6"
+        ],
+        "noImplicitAny": true,
+        "strictNullChecks": true,
+        "noImplicitThis": true,
+        "noUnusedLocals": true,
+        "strictFunctionTypes": true,
+        "noUnusedParameters": true,
+        "baseUrl": "../",
+        "typeRoots": [
+            "../"
+        ],
+        "types": [],
+        "noEmit": true,
+        "forceConsistentCasingInFileNames": true
+    },
+    "files": [
+        "index.d.ts",
+        "tz-offset-tests.ts"
+    ]
+}
diff --git a/types/tz-offset/tslint.json b/types/tz-offset/tslint.json
new file mode 100644
index 0000000000..f93cf8562a
--- /dev/null
+++ b/types/tz-offset/tslint.json
@@ -0,0 +1,3 @@
+{
+    "extends": "dtslint/dt.json"
+}
diff --git a/types/tz-offset/tz-offset-tests.ts b/types/tz-offset/tz-offset-tests.ts
new file mode 100644
index 0000000000..d0e1ae9e81
--- /dev/null
+++ b/types/tz-offset/tz-offset-tests.ts
@@ -0,0 +1,26 @@
+import tzOffset = require('tz-offset');
+
+// $ExpectType number
+tzOffset.offsetOf('Etc/GMT+12');
+// $ExpectError
+tzOffset.offsetOf('invalid TZ');
+
+// $ExpectType number
+tzOffset.removeOffset(new Date());
+// $ExpectError
+tzOffset.removeOffset('invalid date');
+
+// $ExpectType Date
+tzOffset.timeAt(new Date(), 'America/Lima');
+// $ExpectError
+tzOffset.timeAt(new Date(), 'invalid TZ');
+// $ExpectError
+tzOffset.timeAt('invalid date', 'Pacific/Pago_Pago');
+// $ExpectError
+tzOffset.timeAt('invalid date', 'invalid TZ');
+
+const timezone: tzOffset.Timezone = 'Europe/Brussels';
+console.log(timezone);
+// $ExpectError
+const notTimezone: tzOffset.Timezone = 'invalid TS';
+console.log(notTimezone);