diff --git a/tests/unit/functions/weather_object_spec.js b/tests/unit/functions/weather_object_spec.js
index 8878f377..c8c0faa6 100644
--- a/tests/unit/functions/weather_object_spec.js
+++ b/tests/unit/functions/weather_object_spec.js
@@ -1,12 +1,15 @@
 const WeatherObject = require("../../../modules/default/weather/weatherobject.js");
 
-global.moment = require("moment");
+global.moment = require("moment-timezone");
 global.SunCalc = require("suncalc");
 
 describe("WeatherObject", function () {
+	let originalTimeZone;
 	let weatherobject;
 
 	beforeAll(function () {
+		originalTimeZone = moment.tz.guess();
+		moment.tz.setDefault("Africa/Dar_es_Salaam");
 		weatherobject = new WeatherObject("metric", "metric", "metric", true);
 	});
 
@@ -21,4 +24,8 @@ describe("WeatherObject", function () {
 		weatherobject.updateSunTime(-6.774877582342688, 37.63345667023327);
 		expect(weatherobject.isDayTime()).toBe(false);
 	});
+
+	afterAll(function () {
+		moment.tz.setDefault(originalTimeZone);
+	});
 });