class ActionView::Helpers::FormBuilder

Please refer to the documentation of the base helper for details.

<% end %>
<%= f.submit %>
<%= f.time_zone_select :time_zone, nil, include_blank: true %>
<%= form_for @user do |f| %>

Wraps ActionView::Helpers::FormOptionsHelper#time_zone_select for form builders:

def time_zone_select(method, priority_zones = nil, options = {}, html_options = {})
  @template.time_zone_select(@object_name, method, priority_zones, objectify_options(options), @default_html_options.merge(html_options))
end