Translated using Weblate (#3542)

Co-authored-by: Allan Nordhøy <epost@anotheragency.no>
Co-authored-by: J. Lavoie <j.lavoie@net-c.ca>
Co-authored-by: Kevin Papst <kevin@kevinpapst.de>
Co-authored-by: Maamon AlHaqli <mamon321@hotmail.com>
Co-authored-by: Milo Ivir <mail@milotype.de>
Co-authored-by: Nguyễn Hoàng Minh <mingu03@yandex.com>
Co-authored-by: Oğuz Ersen <oguz@ersen.moe>
Co-authored-by: Wellington Terumi Uemura <wellingtonuemura@gmail.com>
Co-authored-by: Yaron Shahrabani <sh.yaron@gmail.com>
Co-authored-by: skotperez <skotperez@voragine.net>

translations/system-configuration.es.xlf

@@ -222,6 +222,14 @@
         <source>label.theme.random_colors</source>
         <target state="translated">Usar colores aleatorios para objetos sin color asignado</target>
       </trans-unit>
+      <trans-unit id="tuPXa0S" resname="lockdown_period">
+        <source>lockdown_period</source>
+        <target state="translated">Periodo de bloqueo</target>
+      </trans-unit>
+      <trans-unit id="HeDzoVE" resname="label.timesheet.rules.lockdown_period_timezone">
+        <source>label.timesheet.rules.lockdown_period_timezone</source>
+        <target state="translated">Zona horaria (si está vacía, se utiliza la zona horaria del usuario correspondiente)</target>
+      </trans-unit>
     </body>
   </file>
 </xliff>