diff --git a/package.json b/package.json
index 7d827ae..ae61d43 100644
--- a/package.json
+++ b/package.json
@@ -17,6 +17,7 @@
   "dependencies": {
     "@slack/bolt": "^1.2.0",
     "date-fns": "^2.0.1",
+    "date-fns-tz": "^1.0.7",
     "get-video-id": "^3.1.4",
     "glob": "^7.1.4",
     "kuromoji": "^0.1.2",
diff --git a/scripts/weather.js b/scripts/weather.js
index 8158def..d83bbe0 100644
--- a/scripts/weather.js
+++ b/scripts/weather.js
@@ -1,27 +1,36 @@
 const subMinutes = require("date-fns/subMinutes");
 const roundToNearestMinutes = require("date-fns/roundToNearestMinutes");
-const format = require("date-fns/format");
+const format = require("date-fns-tz/format");
+const utcToZonedTime = require("date-fns-tz/utcToZonedTime");
 const nyanco = require("./util/nyanco");
 
+const timeZone = "Asia/Tokyo";
 const prefNumber = 34;
 const pageURL = `https://www.tenki.jp/radar/7/${prefNumber}/`;
 const imgURL = target =>
   [
     "https://static.tenki.jp/static-images/radar/",
-    format(target, "yyyy/MM/dd/HH/mm/ss"),
+    format(target, "yyyy/MM/dd/HH/mm/ss", { timeZone }),
     `/pref-${prefNumber}-large.jpg`
   ].join("");
 
 module.exports = [
   /天気/,
   async ({ say }) => {
-    const target = roundToNearestMinutes(subMinutes(new Date(), 5), {
-      nearestTo: 5
-    });
+    const target = utcToZonedTime(
+      roundToNearestMinutes(subMinutes(new Date(), 5), {
+        nearestTo: 5
+      }),
+      timeZone
+    );
 
     say(
       [
-        `${nyanco()} ＜ ${format(target, "HH時mm分の雨雲の様子にゃーん")}`,
+        `${nyanco()} ＜ ${format(
+          target,
+          "HH時mm分の雨雲の様子にゃーん",
+          timeZone
+        )}`,
         imgURL(target),
         pageURL
       ].join("\n")
diff --git a/yarn.lock b/yarn.lock
index 37aeef3..819a666 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -228,6 +228,11 @@ cookie@0.4.0:
   resolved "https://registry.yarnpkg.com/cookie/-/cookie-0.4.0.tgz#beb437e7022b3b6d49019d088665303ebe9c14ba"
   integrity sha512-+Hp8fLp57wnUSt0tY0tHEXh4voZRDnoIrZPqlo3DPiI4y9lwg/jqx+1Om94/W6ZaPDOUbnjOt/99w66zk+l1Xg==
 
+date-fns-tz@^1.0.7:
+  version "1.0.7"
+  resolved "https://registry.yarnpkg.com/date-fns-tz/-/date-fns-tz-1.0.7.tgz#1c80f7592cca5da4fd2085132936dcc7fa9afecd"
+  integrity sha512-oNfi/3IxRfmysRIT+QJMbO/44Uj10nApAYJvlayTmNRFZG+JqdOJYXm1DWU65DNlG/ySbuQwpFkGIa3b2XFUVw==
+
 date-fns@^2.0.1:
   version "2.0.1"
   resolved "https://registry.yarnpkg.com/date-fns/-/date-fns-2.0.1.tgz#c5f30e31d3294918e6b6a82753a4e719120e203d"