diff --git a/docs/android-questionnaire-api.md b/docs/android-questionnaire-api.md
index fabd971..d7c5f04 100644
--- a/docs/android-questionnaire-api.md
+++ b/docs/android-questionnaire-api.md
@@ -231,7 +231,8 @@ Question fields:
 - `options[].key`: answer option key. Send this back as `answerOptionKey` during upload.
 - `options[].nextQuestionId`: optional conditional navigation target.
 - `pointsMap`: optional map from answer option key to point value.
-- `textKey`, `textKey1`, `textKey2`, `hint`, `hint1`, `hint2`, `symptoms`, `range`, `constraints`, `minSelection`: optional layout-specific config fields.
+- `textKey`, `textKey1`, `textKey2`, `hint`, `hint1`, `hint2`, `symptoms`, `range`, `constraints`, `precision`, `dateRange`, `minSelection`: optional layout-specific config fields.
+  - `dateRange` (date_spinner): `"past"` (default) or `"future"` — which years/dates the app offers.
 
 Important ID rule: the fetch response returns short question IDs such as `q1`. The server resolves these back to full database IDs during upload, so the Android app should upload the same short IDs it received.
 
diff --git a/handlers/app_questionnaires.php b/handlers/app_questionnaires.php
index 13a076c..0dc6ee6 100644
--- a/handlers/app_questionnaires.php
+++ b/handlers/app_questionnaires.php
@@ -581,6 +581,7 @@ if ($qnID) {
         if (isset($config['unitLabel']))    $q['unitLabel']    = $config['unitLabel'];
         if (isset($config['constraints']))  $q['constraints']  = $config['constraints'];
         if (isset($config['precision']))    $q['precision']    = $config['precision'];
+        if (isset($config['dateRange']))    $q['dateRange']    = $config['dateRange'];
         if (isset($config['minSelection'])) $q['minSelection'] = $config['minSelection'];
         if (isset($config['maxLength']))    $q['maxLength']    = (int)$config['maxLength'];
         if (isset($config['nextQuestionId']))        $q['nextQuestionId']        = $config['nextQuestionId'];
diff --git a/lib/dev_fixture.php b/lib/dev_fixture.php
index a693ff7..3e8e117 100644
--- a/lib/dev_fixture.php
+++ b/lib/dev_fixture.php
@@ -490,10 +490,13 @@ function qdb_dev_build_answers_for_questionnaire(PDO $pdo, string $qnID, int $va
                 break;
 
             case 'date_spinner':
-                $year = 2018 + ($v % 6);
+                $precision = $config['precision'] ?? 'full';
+                $dateRange = ($config['dateRange'] ?? 'past') === 'future' ? 'future' : 'past';
+                $year = $dateRange === 'future'
+                    ? ((int)date('Y') + ($v % 5))
+                    : (2018 + ($v % 6));
                 $month = 1 + ($v % 12);
                 $day = 1 + ($v % 28);
-                $precision = $config['precision'] ?? 'full';
                 $dateValue = match ($precision) {
                     'year' => sprintf('%04d', $year),
                     'year_month' => sprintf('%04d-%02d', $year, $month),
diff --git a/website/js/pages/editor.js b/website/js/pages/editor.js
index 0d01394..a49b4e4 100644
--- a/website/js/pages/editor.js
+++ b/website/js/pages/editor.js
@@ -602,6 +602,7 @@ function configFormHTML(layout, config, prefix, opts = {}) {
             const notBefore = config.constraints?.notBefore || '';
             const notAfter = config.constraints?.notAfter || '';
             const precision = config.precision || 'full';
+            const dateRange = config.dateRange === 'future' ? 'future' : 'past';
             html = `
                 <div class="form-group">
                     <label>Date precision</label>
@@ -611,6 +612,14 @@ function configFormHTML(layout, config, prefix, opts = {}) {
                         <option value="year" ${precision === 'year' ? 'selected' : ''}>Year only</option>
                     </select>
                 </div>
+                <div class="form-group">
+                    <label>Allowed dates</label>
+                    <select id="${prefix}_dateRange">
+                        <option value="past" ${dateRange === 'past' ? 'selected' : ''}>Past (today and earlier)</option>
+                        <option value="future" ${dateRange === 'future' ? 'selected' : ''}>Future (today and later)</option>
+                    </select>
+                    <span class="field-hint">Controls which years the app shows. Default is past.</span>
+                </div>
                 <div class="form-row">
                     <div class="form-group">
                         <label>Not before (question key)</label>
@@ -717,6 +726,8 @@ function readConfigFromForm(layout, prefix) {
         case 'date_spinner': {
             const prec = val('precision') || 'full';
             if (prec && prec !== 'full') config.precision = prec;
+            const dateRange = val('dateRange') || 'past';
+            if (dateRange === 'future') config.dateRange = 'future';
             const nb = val('notBefore');
             const na = val('notAfter');
             if (nb || na) {
diff --git a/website/js/questionnaire-preview.js b/website/js/questionnaire-preview.js
index 5ea2e06..76aff4f 100644
--- a/website/js/questionnaire-preview.js
+++ b/website/js/questionnaire-preview.js
@@ -333,9 +333,14 @@ function renderQuestionBody(q, sectionIdx) {
 
         case 'date_spinner': {
             const precision = config.precision || 'full';
+            const dateRange = config.dateRange === 'future' ? 'future' : 'past';
             const years = [];
             const now = new Date().getFullYear();
-            for (let yr = now + 1; yr >= 1900; yr--) years.push(yr);
+            if (dateRange === 'future') {
+                for (let yr = now; yr <= now + 50; yr++) years.push(yr);
+            } else {
+                for (let yr = now; yr >= 1900; yr--) years.push(yr);
+            }
             inner += `<div class="qp-date-row">`;
             if (precision === 'full') {
                 inner += `<select data-part="day" class="qp-select qp-select-sm"><option value="">Day</option>`;