diff --git a/.gitignore b/.gitignore
index 554c800..00170b7 100644
--- a/.gitignore
+++ b/.gitignore
@@ -4,6 +4,8 @@ node_modules
 coverage/*
 npm-debug.log
 .vscode
+.idea
+js
 
 # Elastic Beanstalk Files
 .elasticbeanstalk/*
diff --git a/package-lock.json b/package-lock.json
index a6120fa..dbc1fef 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -26,6 +26,107 @@
         "@turf/helpers": "6.x"
       }
     },
+    "@types/body-parser": {
+      "version": "1.17.0",
+      "resolved": "https://registry.npmjs.org/@types/body-parser/-/body-parser-1.17.0.tgz",
+      "integrity": "sha512-a2+YeUjPkztKJu5aIF2yArYFQQp8d51wZ7DavSHjFuY1mqVgidGyzEQ41JIVNy82fXj8yPgy2vJmfIywgESW6w==",
+      "dev": true,
+      "requires": {
+        "@types/connect": "*",
+        "@types/node": "*"
+      }
+    },
+    "@types/connect": {
+      "version": "3.4.32",
+      "resolved": "https://registry.npmjs.org/@types/connect/-/connect-3.4.32.tgz",
+      "integrity": "sha512-4r8qa0quOvh7lGD0pre62CAb1oni1OO6ecJLGCezTmhQ8Fz50Arx9RUszryR8KlgK6avuSXvviL6yWyViQABOg==",
+      "dev": true,
+      "requires": {
+        "@types/node": "*"
+      }
+    },
+    "@types/cors": {
+      "version": "2.8.5",
+      "resolved": "https://registry.npmjs.org/@types/cors/-/cors-2.8.5.tgz",
+      "integrity": "sha512-GmK8AKu8i+s+EChK/uZ5IbrXPcPaQKWaNSGevDT/7o3gFObwSUQwqb1jMqxuo+YPvj0ckGzINI+EO7EHcmJjKg==",
+      "dev": true,
+      "requires": {
+        "@types/express": "*"
+      }
+    },
+    "@types/dotenv": {
+      "version": "6.1.1",
+      "resolved": "https://registry.npmjs.org/@types/dotenv/-/dotenv-6.1.1.tgz",
+      "integrity": "sha512-ftQl3DtBvqHl9L16tpqqzA4YzCSXZfi7g8cQceTz5rOlYtk/IZbFjAv3mLOQlNIgOaylCQWQoBdDQHPgEBJPHg==",
+      "dev": true,
+      "requires": {
+        "@types/node": "*"
+      }
+    },
+    "@types/express": {
+      "version": "4.16.1",
+      "resolved": "https://registry.npmjs.org/@types/express/-/express-4.16.1.tgz",
+      "integrity": "sha512-V0clmJow23WeyblmACoxbHBu2JKlE5TiIme6Lem14FnPW9gsttyHtk6wq7njcdIWH1njAaFgR8gW09lgY98gQg==",
+      "dev": true,
+      "requires": {
+        "@types/body-parser": "*",
+        "@types/express-serve-static-core": "*",
+        "@types/serve-static": "*"
+      }
+    },
+    "@types/express-serve-static-core": {
+      "version": "4.16.4",
+      "resolved": "https://registry.npmjs.org/@types/express-serve-static-core/-/express-serve-static-core-4.16.4.tgz",
+      "integrity": "sha512-x/8h6FHm14rPWnW2HP5likD/rsqJ3t/77OWx2PLxym0hXbeBWQmcPyHmwX+CtCQpjIfgrUdEoDFcLPwPZWiqzQ==",
+      "dev": true,
+      "requires": {
+        "@types/node": "*",
+        "@types/range-parser": "*"
+      }
+    },
+    "@types/mime": {
+      "version": "2.0.1",
+      "resolved": "https://registry.npmjs.org/@types/mime/-/mime-2.0.1.tgz",
+      "integrity": "sha512-FwI9gX75FgVBJ7ywgnq/P7tw+/o1GUbtP0KzbtusLigAOgIgNISRK0ZPl4qertvXSIE8YbsVJueQ90cDt9YYyw==",
+      "dev": true
+    },
+    "@types/moment-timezone": {
+      "version": "0.5.12",
+      "resolved": "https://registry.npmjs.org/@types/moment-timezone/-/moment-timezone-0.5.12.tgz",
+      "integrity": "sha512-hnHH2+Efg2vExr/dSz+IX860nSiyk9Sk4pJF2EmS11lRpMcNXeB4KBW5xcgw2QPsb9amTXdsVNEe5IoJXiT0uw==",
+      "dev": true,
+      "requires": {
+        "moment": ">=2.14.0"
+      }
+    },
+    "@types/node": {
+      "version": "10.14.6",
+      "resolved": "https://registry.npmjs.org/@types/node/-/node-10.14.6.tgz",
+      "integrity": "sha512-Fvm24+u85lGmV4hT5G++aht2C5I4Z4dYlWZIh62FAfFO/TfzXtPpoLI6I7AuBWkIFqZCnhFOoTT7RjjaIL5Fjg==",
+      "dev": true
+    },
+    "@types/range-parser": {
+      "version": "1.2.3",
+      "resolved": "https://registry.npmjs.org/@types/range-parser/-/range-parser-1.2.3.tgz",
+      "integrity": "sha512-ewFXqrQHlFsgc09MK5jP5iR7vumV/BYayNC6PgJO2LPe8vrnNFyjQjSppfEngITi0qvfKtzFvgKymGheFM9UOA==",
+      "dev": true
+    },
+    "@types/serve-static": {
+      "version": "1.13.2",
+      "resolved": "https://registry.npmjs.org/@types/serve-static/-/serve-static-1.13.2.tgz",
+      "integrity": "sha512-/BZ4QRLpH/bNYgZgwhKEh+5AsboDBcUdlBYgzoLX0fpj3Y2gp6EApyOlM3bK53wQS/OE1SrdSYBAbux2D1528Q==",
+      "dev": true,
+      "requires": {
+        "@types/express-serve-static-core": "*",
+        "@types/mime": "*"
+      }
+    },
+    "@types/suncalc": {
+      "version": "1.8.0",
+      "resolved": "https://registry.npmjs.org/@types/suncalc/-/suncalc-1.8.0.tgz",
+      "integrity": "sha512-1Bx7KgoCLP8LuKaY9whWiX0Y8JMEB9gmZHNJigainwFuv3gEkZvTx0AGNvnA5nSu1daQcJDKScm9tNpW/ZjpjA==",
+      "dev": true
+    },
     "abbrev": {
       "version": "1.1.1",
       "resolved": "https://registry.npmjs.org/abbrev/-/abbrev-1.1.1.tgz",
@@ -5755,6 +5856,12 @@
       "resolved": "https://registry.npmjs.org/typedarray/-/typedarray-0.0.6.tgz",
       "integrity": "sha1-hnrHTjhkGHsdPUfZlqeOxciDB3c="
     },
+    "typescript": {
+      "version": "3.4.5",
+      "resolved": "https://registry.npmjs.org/typescript/-/typescript-3.4.5.tgz",
+      "integrity": "sha512-YycBxUb49UUhdNMU5aJ7z5Ej2XGmaIBL0x34vZ82fn3hGvD+bgrMrVDpatgz2f7YxUMJxMkbWxJZeAvDxVe7Vw==",
+      "dev": true
+    },
     "underscore.string": {
       "version": "3.3.5",
       "resolved": "https://registry.npmjs.org/underscore.string/-/underscore.string-3.3.5.tgz",
diff --git a/package.json b/package.json
index c8d722c..1b484f0 100644
--- a/package.json
+++ b/package.json
@@ -5,7 +5,8 @@
   "repository": "https://github.com/OpenSprinkler/Weather-Weather",
   "scripts": {
     "test": "mocha --exit test",
-    "start": "node server"
+    "start": "node js/server",
+    "compile": "tsc"
   },
   "dependencies": {
     "cors": "^2.8.5",
@@ -17,11 +18,18 @@
     "suncalc": "^1.8.0"
   },
   "devDependencies": {
+    "@types/cors": "^2.8.5",
+    "@types/dotenv": "^6.1.1",
+    "@types/express": "^4.16.1",
+    "@types/moment-timezone": "^0.5.12",
+    "@types/node": "^10.14.6",
+    "@types/suncalc": "^1.8.0",
     "chai": "^4.2.0",
     "grunt-contrib-jshint": "^1.1.0",
     "hippie": "^0.5.2",
     "istanbul": "^0.4.5",
     "mocha": "^5.2.0",
-    "nock": "^9.6.1"
+    "nock": "^9.6.1",
+    "typescript": "^3.4.5"
   }
 }
diff --git a/routes/weather.js b/routes/weather.ts
old mode 100755
new mode 100644
similarity index 98%
rename from routes/weather.js
rename to routes/weather.ts
index be6aeee..b9ec3ae
--- a/routes/weather.js
+++ b/routes/weather.ts
@@ -192,7 +192,7 @@ function calculateWeatherScale( adjustmentMethod, adjustmentOptions, weather ) {
 		}
 
 		// Apply all of the weather modifying factors and clamp the result between 0 and 200%.
-		return parseInt( Math.min( Math.max( 0, 100 + humidityFactor + tempFactor + precipFactor ), 200 ) );
+		return Math.floor( Math.min( Math.max( 0, 100 + humidityFactor + tempFactor + precipFactor ), 200 ) );
 	}
 
 	return -1;
@@ -305,7 +305,7 @@ exports.getWateringData = function( req, res ) {
 			var data = {
 					scale:		scale,
 					rd:			rainDelay,
-					tz:			getTimezone( weather.timezone ),
+					tz:			getTimezone( weather.timezone, undefined ),
 					sunrise:	weather.sunrise,
 					sunset:		weather.sunset,
 					eip:		ipToInt( remoteAddress ),
diff --git a/server.js b/server.ts
old mode 100755
new mode 100644
similarity index 100%
rename from server.js
rename to server.ts
diff --git a/tsconfig.json b/tsconfig.json
new file mode 100644
index 0000000..f850c6d
--- /dev/null
+++ b/tsconfig.json
@@ -0,0 +1,14 @@
+{
+  "compilerOptions": {
+    "target": "es6",
+    "noImplicitReturns": true,
+    "noEmitOnError": true,
+    "outDir": "js/",
+    "sourceMap": true,
+    "skipLibCheck": true
+  },
+  "include": [
+    "server.ts",
+    "routes/**/*"
+  ]
+}