diff --git a/Makefile b/Makefile
index c7dec64e0a2..da255bb41a2 100755
--- a/Makefile
+++ b/Makefile
@@ -121,6 +121,7 @@ locales:
 	msgfmt -o modules/module_manager/locale/ja/LC_MESSAGES/module_manager.mo modules/module_manager/locale/ja/LC_MESSAGES/module_manager.po
 	msgfmt -o modules/mri_violations/locale/ja/LC_MESSAGES/mri_violations.mo modules/mri_violations/locale/ja/LC_MESSAGES/mri_violations.po
 	msgfmt -o modules/next_stage/locale/ja/LC_MESSAGES/next_stage.mo modules/next_stage/locale/ja/LC_MESSAGES/next_stage.po
+	msgfmt -o modules/next_stage/locale/es/LC_MESSAGES/next_stage.mo modules/next_stage/locale/es/LC_MESSAGES/next_stage.po
 	msgfmt -o modules/oidc/locale/ja/LC_MESSAGES/oidc.mo modules/oidc/locale/ja/LC_MESSAGES/oidc.po
 	msgfmt -o modules/publication/locale/ja/LC_MESSAGES/publication.mo modules/publication/locale/ja/LC_MESSAGES/publication.po
 	msgfmt -o modules/schedule_module/locale/ja/LC_MESSAGES/schedule_module.mo modules/schedule_module/locale/ja/LC_MESSAGES/schedule_module.po
diff --git a/modules/next_stage/locale/es/LC_MESSAGES/next_stage.po b/modules/next_stage/locale/es/LC_MESSAGES/next_stage.po
new file mode 100644
index 00000000000..d8ed7af047c
--- /dev/null
+++ b/modules/next_stage/locale/es/LC_MESSAGES/next_stage.po
@@ -0,0 +1,59 @@
+# Default LORIS strings to be translated (English).
+# Copy this to a language specific file and add translations to the
+# new file.
+# Copyright (C) 2025
+# This file is distributed under the same license as the LORIS package.
+# Dave MacFarlane <dave.macfarlane@mcin.ca>, 2025.
+#
+msgid ""
+msgstr ""
+"Project-Id-Version: LORIS 27\n"
+"Report-Msgid-Bugs-To: https://github.com/aces/Loris/issues\n"
+"POT-Creation-Date: 2025-04-08 14:37-0400\n"
+"PO-Revision-Date: YEAR-MO-DA HO:MI+ZONE\n"
+"Last-Translator: FULL NAME <EMAIL@ADDRESS>\n"
+"Language-Team: LANGUAGE <LL@li.org>\n"
+"Language: es\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+
+#: modules/new_profile/php/module.class.inc:60
+msgid "Next Stage"
+msgstr "Próxima Etapa"
+
+msgid "Start Next Stage"
+msgstr "Comenzar próxima etapa"
+
+msgid "Date of %s"
+msgstr "Fecha de %s"
+
+msgid "Retype Date of %s"
+msgstr "Confirme la fecha de %s"
+
+msgid "Start %s"
+msgstr "Comenzar %s"
+
+msgid "CohortID:"
+msgstr "Identificador del Cohorte:"
+
+msgid "Date is required."
+msgstr "La fecha es requerida."
+
+msgid "Both date fields are required."
+msgstr "Los dos campos de fecha son requeridos."
+
+msgid "Both Date fields must match."
+msgstr "Las dos fechas deben coincidir."
+
+msgid "Date of Visit is less than Date of Screening."
+msgstr "Las dos fechas deben coincidir."
+
+msgid "Date of Visit is less than Date of Birth/EDC."
+msgstr "Las dos fechas deben coincidir."
+
+msgid "Next stage started."
+msgstr "Próxima etapa iniciada."
+
+msgid "Click here to continue."
+msgstr "Click aquí para continuar."
diff --git a/modules/next_stage/locale/next_stage.pot b/modules/next_stage/locale/next_stage.pot
index ac57ee3676d..8e22f1d441c 100644
--- a/modules/next_stage/locale/next_stage.pot
+++ b/modules/next_stage/locale/next_stage.pot
@@ -24,3 +24,36 @@ msgstr ""
 
 msgid "Start Next Stage"
 msgstr ""
+
+msgid "Date of %s"
+msgstr ""
+
+msgid "Retype Date of %s"
+msgstr ""
+
+msgid "Start %s"
+msgstr ""
+
+msgid "CohortID:"
+msgstr ""
+
+msgid "Date is required."
+msgstr ""
+
+msgid "Both date fields are required."
+msgstr ""
+
+msgid "Both Date fields must match."
+msgstr ""
+
+msgid "Date of Visit is less than Date of Screening."
+msgstr ""
+
+msgid "Date of Visit is less than Date of Birth/EDC."
+msgstr ""
+
+msgid "Next stage started."
+msgstr ""
+
+msgid "Click here to continue."
+msgstr ""
diff --git a/modules/next_stage/php/next_stage.class.inc b/modules/next_stage/php/next_stage.class.inc
index e9a3a145256..9b780452929 100644
--- a/modules/next_stage/php/next_stage.class.inc
+++ b/modules/next_stage/php/next_stage.class.inc
@@ -184,9 +184,16 @@ class Next_Stage extends \NDB_Form
         }
 
         // add date rules
-        $this->addRule('date1', 'Date is required', 'required');
-        $this->addRule(['date1', 'date2'], 'Date fields must match', 'compare');
-
+        $this->addRule(
+            'date1',
+            dgettext("next_stage", "Date is required."),
+            'required'
+        );
+        $this->addRule(
+            ['date1', 'date2'],
+            dgettext("next_stage", "Date fields must match."),
+            'compare'
+        );
         $this->form->addFormRule([&$this, '_validate']);
     }
 
@@ -211,16 +218,18 @@ class Next_Stage extends \NDB_Form
             || is_null($values['date1'])
             || is_null($values['date2'])
         ) {
-            $errors['date1'] .= "Both date fields are required.";
+            $errors['date1']
+                .= dgettext("next_stage", "Both date fields are required.");
             return $errors;
         }
         // check date pairs
         if (empty($values['date1'])) {
-            $errors['date1'] .= "Date is required. \n";
+            $errors['date1']
+                .= dgettext("next_stage", "Date is required.")."\n";
         }
-
         if ($values['date1'] != $values['date2']) {
-            $errors['date1'] .= "Both Date fields must match. \n";
+            $errors['date1']
+                .= dgettext("next_stage", "Both Date fields must match.");
         }
 
         // get candidate's DOB or EDC according to CohortID
@@ -237,14 +246,18 @@ class Next_Stage extends \NDB_Form
                 && $config->getSetting('screeningAfterVisit')!="true"
                 && strcmp($date, $timePoint->getData('Date_screening')) < 0
             ) {
-                $errors['date1'] .= "Date of Visit is less than".
-                                    " Date of Screening. \n";
+                $errors['date1'] .= dgettext(
+                    "next_stage",
+                    "Date of Visit is less than Date of Screening."
+                );
             }
             if ($config->getSetting('allowPrenatalTimepoints')!="true"
                 && strcmp($date, $candidateBirthDate) < 1
             ) {
-                $errors['date1'] .= "Date of Visit is less than ".
-                                    "Date of Birth/EDC. \n";
+                $errors['date1'] .= dgettext(
+                    "next_stage",
+                    "Date of Visit is less than Date of Birth/EDC."
+                );
             }
         }
 
diff --git a/modules/next_stage/templates/form_next_stage.tpl b/modules/next_stage/templates/form_next_stage.tpl
index c5cce822353..522260852d3 100644
--- a/modules/next_stage/templates/form_next_stage.tpl
+++ b/modules/next_stage/templates/form_next_stage.tpl
@@ -1,6 +1,6 @@
 {if $success}
 
-<p>Next stage started. <a href="{$baseURL}/instrument_list/?candID={$candID}&sessionID={$sessionID}">Click here to continue</a>.</p>
+<p>{dgettext("next_stage", "Next stage started.")} <a href="{$baseURL}/instrument_list/?candID={$candID}&sessionID={$sessionID}">{dgettext("next_stage", "Click here to continue.")}</a>.</p>
 
 {else}
 
@@ -12,22 +12,22 @@
         </div>
     {/foreach}
     <div class="form-group row">
-        <label class="col-sm-2">Date of {$stage}</label>
+        <label class="col-sm-2">{sprintf(dgettext("next_stage", "Date of %s"), dgettext("loris", $stage))}</label>
         <div class="col-sm-4 col-md-3">{$form.date1.html}</div>
     </div>
     <div class="form-group row">
-        <label class="col-sm-2">Retype Date of {$stage}</label>
+        <label class="col-sm-2">{sprintf(dgettext("next_stage", "Retype Date of %s"), dgettext("loris", $stage))}</label>
         <div class="col-sm-4 col-md-3">{$form.date2.html}</div>
     </div>
     {if $form.CohortID.html != ""}
     <div class="form-group row">
-        <label class="col-sm-2">CohortID:</label>
+        <label class="col-sm-2">{dgettext("next_stage", "CohortID:")}</label>
         <div class="col-sm-4 col-md-3">{$form.CohortID.html}</div>
     </div>
     {/if}
 
     <div class="form-group row">
-        <div class="col-sm-offset-2 col-sm-4 col-md-3"><input class="btn btn-primary col-xs-12" type="submit" name="fire_away" value="Start {$stage}" onClick="this.form.submit(); this.disabled=true;"/></div>
+        <div class="col-sm-offset-2 col-sm-4 col-md-3"><input class="btn btn-primary col-xs-12" type="submit" name="fire_away" value="{sprintf(dgettext("next_stage", "Start %s"), dgettext("loris", $stage))}" onClick="this.form.submit(); this.disabled=true;"/></div>
     </div>
 
     {$form.hidden}