app/views/shared/meter_attributes/_time_of_day_30.html.erb
<div class="row">
<div class="col-12">
<%= form.label label.try(:to_s).try(:humanize), required: field.required? %>
<%= form.hint field.hint %>
</div>
<div class="col-6">
<%= form.input field_name + '[hour]', as: :integer, input_html: {value: value ? value['hour'] : ''}, required: field.required?, min: 0, max: 23, label: 'hour'%>
</div>
<div class="col-6">
<%= form.input field_name + '[minutes]', as: :integer, input_html: {value: value ? value['minutes'] : ''}, required: field.required?, min: 0, max: 59, label: 'minutes' %>
</div>
</div>