Calculate timezone offset for daylight savings time

bootstrap.py

@@ -25,6 +25,8 @@ if __name__ == '__main__':
                         nargs='*', help='Plugins to load')
     parser.add_argument('-l', '--lang', action='store', default='en', help='Houdini language',
                         choices=['en', 'fr', 'pt', 'es', 'de', 'ru'])
+    parser.add_argument('-tz', '--timezone', action='store', default='America/Vancouver',
+                        help='Server timezone')
 
     login_group = parser.add_argument_group('login')
     login_group.add_argument('--login-failure-limit', action='store', default=5, help='Limit before flood limit',

houdini/handlers/play/navigation.py

@@ -29,7 +29,10 @@ async def handle_join_server(p, penguin_id: int, login_key: str):
 
     current_time = int(time.time())
     penguin_standard_time = current_time * 1000
-    server_time_offset = 7
+
+    pst = pytz.timezone(p.server.config.timezone)
+    dt = datetime.fromtimestamp(current_time, pst)
+    server_time_offset = abs(int(dt.strftime('%z')) // 100)
 
     if p.timer_active:
         minutes_until_timer_end = datetime.combine(datetime.today(), p.timer_end) - datetime.now()