diff --git a/.github/workflows/Tests.yaml b/.github/workflows/Tests.yaml
new file mode 100644
index 0000000..d624d78
--- /dev/null
+++ b/.github/workflows/Tests.yaml
@@ -0,0 +1,44 @@
+name: Tests
+
+on:
+  push:
+  pull_request:
+  workflow_dispatch:
+  schedule:
+    - cron: 0 6 * * *
+
+jobs:
+  Test:
+    runs-on: ubuntu-latest
+
+    strategy:
+      fail-fast: false
+      matrix:
+        php:
+          - 8.1
+          - 8.2
+          - 8.3
+
+    steps:
+      - uses: actions/checkout@v3
+
+      - name: Setup PHP ${{ matrix.php }}
+        uses: shivammathur/setup-php@v2
+        with:
+          php-version: ${{ matrix.php }}
+
+      - name: Validate composer.json
+        run: composer validate
+
+      - name: Cache dependencies
+        id: composer-cache
+        uses: actions/cache@v3
+        with:
+          path: vendor
+          key: php-${{ matrix.php }}
+
+      - name: Install dependencies
+        run: composer update --no-interaction --no-progress
+
+      - name: Run test suite
+        run: composer test
diff --git a/.gitignore b/.gitignore
index 74fbacf..6413333 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,3 +1,4 @@
 /vendor/
 /.*/
+!/.github/
 /composer.lock
diff --git a/.travis.yml b/.travis.yml
deleted file mode 100644
index ce8ad05..0000000
--- a/.travis.yml
+++ /dev/null
@@ -1,36 +0,0 @@
-notifications:
-  email: false
-
-sudo: false
-
-language: php
-
-php:
-  - 7.2
-  - 7.3
-  - 7.4
-  - 8.0
-
-env:
-  matrix:
-    -
-    - DEPENDENCIES=--prefer-lowest
-
-matrix:
-  fast_finish: true
-
-cache:
-  directories:
-    - vendor
-
-install:
-  - alias composer=composer\ -n && composer selfupdate
-  - composer validate
-  - composer update --no-progress --no-suggest $DEPENDENCIES
-
-script:
-  - XDEBUG_MODE=coverage composer test -- --coverage-clover=build/logs/clover.xml
-
-after_success:
-  - composer require php-coveralls/php-coveralls:^2
-  - vendor/bin/php-coveralls -v
diff --git a/composer.json b/composer.json
index 19d073f..44b5a2c 100644
--- a/composer.json
+++ b/composer.json
@@ -8,11 +8,11 @@
     }
   ],
   "require": {
-    "php": "^7.2|^8",
+    "php": "^8.1",
     "scriptfusion/static-class": "^1"
   },
   "require-dev": {
-    "phpunit/phpunit": "^8.5|^9"
+    "phpunit/phpunit": "^9"
   },
   "autoload": {
     "psr-4": {
diff --git a/src/Date.php b/src/Date.php
index 1b63432..73afcd9 100644
--- a/src/Date.php
+++ b/src/Date.php
@@ -16,29 +16,25 @@ final class Date
      *
      * @return string Absolute or relative date.
      */
-    public static function adapt($date): string
+    public static function adapt(string|\DateTimeInterface $date): string
     {
         $date = is_string($date) ? new \DateTimeImmutable($date) : $date;
         $diff = (new \DateTime)->diff($date);
-        $days = $diff->days * ($diff->invert ? -1 : 1);
+        // If diff less than one whole second from next day, round up to whole day.
+        $absDays = ($diff->days + (int)(($diff->h * 60 ** 2 + $diff->i * 60 + $diff->s + ceil($diff->f)) / 86400));
+        $days = $absDays * ($diff->invert ? -1 : 1);
 
         // Absolute.
-        if ($diff->days > 30) {
+        if ($absDays > 30) {
             return $date->format('M Y');
         }
 
         // Relative.
-        switch ($days) {
-            case -1:
-                return 'yesterday';
-
-            case 0:
-                return 'today';
-
-            case 1:
-                return 'tomorrow';
-        }
-
-        return "$diff->days days";
+        return match ($days) {
+            -1 => 'yesterday',
+            0 => 'today',
+            1 => 'tomorrow',
+            default => "$absDays days" . ($days < 0 ? ' ago' : ''),
+        };
     }
 }
diff --git a/test/DateTest.php b/test/DateTest.php
index 6ea3b7a..ebbfcee 100644
--- a/test/DateTest.php
+++ b/test/DateTest.php
@@ -23,12 +23,12 @@ public function testYesterday(): void
 
     public function testLastWeek(): void
     {
-        self::assertSame('7 days', Date::adapt(new \DateTime('-7 day')));
+        self::assertSame('7 days ago', Date::adapt(new \DateTime('-7 day')));
     }
 
     public function test30DaysAgo(): void
     {
-        self::assertSame('30 days', Date::adapt(new \DateTime('-30 day')));
+        self::assertSame('30 days ago', Date::adapt(new \DateTime('-30 day')));
     }
 
     public function test31DaysAgo(): void
diff --git a/test/phpunit.xml b/test/phpunit.xml
index 9d80b47..e140a3a 100644
--- a/test/phpunit.xml
+++ b/test/phpunit.xml
@@ -1,12 +1,13 @@
 <phpunit
     beStrictAboutOutputDuringTests="true"
+    executionOrder="random"
 >
-    <testsuite>
+    <testsuite name="all">
         <directory>.</directory>
     </testsuite>
-    <filter>
-        <whitelist processUncoveredFilesFromWhitelist="true">
+    <coverage processUncoveredFiles="true">
+        <include>
             <directory>../src</directory>
-        </whitelist>
-    </filter>
+        </include>
+    </coverage>
 </phpunit>