diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
new file mode 100644
index 0000000..8a72806
--- /dev/null
+++ b/.github/workflows/test.yml
@@ -0,0 +1,25 @@
+name: Build
+
+on:
+  push:
+    branches: [$default-branch]
+  pull_request:
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        node-version: [18.x, 20.x]
+    steps:
+      - uses: actions/checkout@v3
+      - name: Use Node.js ${{ matrix.node-version }}
+        uses: actions/setup-node@v3
+        with:
+          node-version: ${{ matrix.node-version }}
+          cache: 'yarn'
+      - run: yarn install --frozen-lockfile
+      - run: yarn build
+      - run: yarn lint
+      - run: yarn format
+      - run: yarn test
diff --git a/package.json b/package.json
index 9e47e91..9d41040 100644
--- a/package.json
+++ b/package.json
@@ -22,7 +22,7 @@
     "dist"
   ],
   "scripts": {
-    "build": "yarn build:types && yarn build:grammar && yarn build:rollup",
+    "build": "yarn build:grammar && yarn build:types && yarn build:rollup",
     "build:types": "tsc --project tsconfig.build.json",
     "build:grammar": "antlr4ts -visitor src/grammar/*.g4",
     "build:rollup": "cross-env NODE_ENV=production rollup -c",
@@ -31,7 +31,7 @@
     "lint:fix": "yarn lint src --fix",
     "format": "prettier . --check",
     "format:fix": "prettier . --write",
-    "test": "cross-env NODE_ENV=test jest",
+    "test": "cross-env NODE_ENV=test TZ=UTC jest",
     "prepare": "husky install",
     "prepublishOnly": "yarn clean && yarn lint && yarn format && yarn test && yarn build"
   },
diff --git a/src/networks/ignition/parseHand.test.ts b/src/networks/ignition/parseHand.test.ts
index cfbd63c..900a645 100644
--- a/src/networks/ignition/parseHand.test.ts
+++ b/src/networks/ignition/parseHand.test.ts
@@ -207,7 +207,7 @@ describe('parseHand', () => {
           "isFastFold": false,
           "site": "bovada",
           "tableSize": 6,
-          "timestamp": 2022-05-26T14:16:24.000Z,
+          "timestamp": 2022-05-26T09:16:24.000Z,
           "variant": "holdem",
         },
         "players": [
@@ -411,7 +411,7 @@ describe('parseHand', () => {
           "isFastFold": false,
           "site": "bovada",
           "tableSize": 6,
-          "timestamp": 2022-05-26T14:17:19.000Z,
+          "timestamp": 2022-05-26T09:17:19.000Z,
           "variant": "holdem",
         },
         "players": [
@@ -601,7 +601,7 @@ describe('parseHand', () => {
           "isFastFold": false,
           "site": "bovada",
           "tableSize": 6,
-          "timestamp": 2022-05-26T14:19:56.000Z,
+          "timestamp": 2022-05-26T09:19:56.000Z,
           "variant": "holdem",
         },
         "players": [
@@ -766,7 +766,7 @@ describe('parseHand', () => {
           "isFastFold": false,
           "site": "bovada",
           "tableSize": 6,
-          "timestamp": 2022-05-26T14:44:06.000Z,
+          "timestamp": 2022-05-26T09:44:06.000Z,
           "variant": "holdem",
         },
         "players": [
@@ -1051,7 +1051,7 @@ describe('parseHand', () => {
           "isFastFold": false,
           "site": "bovada",
           "tableSize": 6,
-          "timestamp": 2022-05-26T19:39:38.000Z,
+          "timestamp": 2022-05-26T14:39:38.000Z,
           "variant": "holdem",
         },
         "players": [
@@ -1274,7 +1274,7 @@ describe('parseHand', () => {
           "isFastFold": false,
           "site": "bovada",
           "tableSize": 6,
-          "timestamp": 2022-05-26T15:17:34.000Z,
+          "timestamp": 2022-05-26T10:17:34.000Z,
           "variant": "holdem",
         },
         "players": [
@@ -1491,7 +1491,7 @@ describe('parseHand', () => {
           "isFastFold": false,
           "site": "bovada",
           "tableSize": 6,
-          "timestamp": 2022-05-26T18:12:06.000Z,
+          "timestamp": 2022-05-26T13:12:06.000Z,
           "variant": "holdem",
         },
         "players": [
@@ -1688,7 +1688,7 @@ describe('parseHand', () => {
           "isFastFold": false,
           "site": "bovada",
           "tableSize": 6,
-          "timestamp": 2022-05-30T18:23:41.000Z,
+          "timestamp": 2022-05-30T13:23:41.000Z,
           "variant": "holdem",
         },
         "players": [
@@ -1914,7 +1914,7 @@ describe('parseHand', () => {
           "isFastFold": false,
           "site": "bovada",
           "tableSize": 6,
-          "timestamp": 2022-06-02T23:58:50.000Z,
+          "timestamp": 2022-06-02T18:58:50.000Z,
           "variant": "omaha",
         },
         "players": [
@@ -2140,7 +2140,7 @@ describe('parseHand', () => {
           "isFastFold": false,
           "site": "bovada",
           "tableSize": 6,
-          "timestamp": 2022-06-10T17:42:20.000Z,
+          "timestamp": 2022-06-10T12:42:20.000Z,
           "variant": "omaha",
         },
         "players": [
@@ -2352,7 +2352,7 @@ describe('parseHand', () => {
           "isFastFold": true,
           "site": "bovada",
           "tableSize": 6,
-          "timestamp": 2022-12-06T01:22:58.000Z,
+          "timestamp": 2022-12-05T19:22:58.000Z,
           "variant": "holdem",
         },
         "players": [
@@ -2602,7 +2602,7 @@ describe('parseHand', () => {
           "isFastFold": true,
           "site": "bovada",
           "tableSize": 6,
-          "timestamp": 2023-08-23T06:00:26.000Z,
+          "timestamp": 2023-08-23T01:00:26.000Z,
           "variant": "holdem",
         },
         "players": [
@@ -2823,7 +2823,7 @@ describe('parseHand', () => {
           "isFastFold": false,
           "site": "bovada",
           "tableSize": 6,
-          "timestamp": 2022-05-26T15:23:28.000Z,
+          "timestamp": 2022-05-26T10:23:28.000Z,
           "variant": "holdem",
         },
         "players": [
@@ -2973,7 +2973,7 @@ describe('parseHand', () => {
             "isFastFold": true,
             "site": "ignition",
             "tableSize": 6,
-            "timestamp": 2018-03-13T12:37:42.000Z,
+            "timestamp": 2018-03-13T07:37:42.000Z,
             "variant": "holdem",
           },
           "players": [
@@ -3138,7 +3138,7 @@ describe('parseHand', () => {
             "isFastFold": true,
             "site": "bodog",
             "tableSize": 6,
-            "timestamp": 2019-09-09T21:16:05.000Z,
+            "timestamp": 2019-09-09T16:16:05.000Z,
             "variant": "holdem",
           },
           "players": [