Aug 5 - Update (new design) 2

app/__init__.py

@@ -183,12 +183,16 @@ def create_app(config_name='default'):
         """Give base.html the shell to extend."""
         from app.utils.time_utils import now_eastern
         theme = getattr(g, 'jqc_theme', 'classic')
+        _now = now_eastern()
         return {
             'jqc_theme':  theme,
             'jqc_layout': 'layouts/modern.html' if theme == 'modern'
                           else 'layouts/classic.html',
-            # Long-form date shown in the modern dashboard header.
-            'now_display': now_eastern().strftime('%A, %B %-d, %Y'),
+            # Long-form date shown in the modern dashboard header. The day is
+            # interpolated rather than formatted with '%-d' — that flag is a
+            # glibc extension and raises ValueError on Windows, which would
+            # 500 every page (this context processor runs on both themes).
+            'now_display': f'{_now.strftime("%A, %B")} {_now.day}, {_now.year}',
         }
 
     # ── Inject unread notification count into every template context ──────