Set time zone when resetting password

vedia.rb

@@ -204,6 +204,7 @@ post '/reset/:uuid' do
       @user.save
       session.clear
       session[:user_id] = @user.id
+      session[:timezone] = params[:timezone]
       redirect '/'
     else
       erb :reset_change

views/reset_change.erb

@@ -8,7 +8,7 @@
 <% end %>
 <% end %>
 
-<form action="/reset/<%= params[:uuid] %>" method="post">
+<form action="/reset/<%= params[:uuid] %>" name="reset" method="post">
   <div class="mb-3">
     <label for="email" class="form-label"><%= _("Email") %></label>
     <p><strong><%= @user.email %></strong></p>
@@ -17,5 +17,10 @@
     <label for="password" class="form-label"><%= _("Password") %></label>
     <input type="password" name="password" value="<%= params[:password] %>" class="form-control">
   </div>
+  <input type="hidden" name="timezone" value="UTC">
   <button type="submit" class="btn btn-primary"><%= _("Reset password") %></button>
 </form>
+
+<script>
+document.reset.timezone.value = Intl.DateTimeFormat().resolvedOptions().timeZone;
+</script>