mobilizon/lib/web/templates/email/date/event_tz_date_range.html.heex

<%= cond do %>
  <% @end_date == nil -> %>
    <%= render("date/event_tz_date.html",
      date: @start_date,
      event: @event,
      timezone: @timezone,
      locale: @locale
    ) %>
  <% same_day?(@start_date, @end_date) -> %>
    <strong>
      <%= gettext("On %{date} from %{start_time} to %{end_time}",
        date: datetime_to_date_string(@start_date, @locale),
        start_time: datetime_to_time_string(@start_date, @locale),
        end_time: datetime_to_time_string(@end_date, @locale)
      ) %>
    </strong>
    <br />
    <%= if @event.options.timezone != @timezone do %>
      <span style="font-size: 13px;">
        <%= gettext("🌐 %{timezone} %{offset}",
          timezone: @event.options.timezone,
          offset: Cldr.DateTime.Formatter.zone_gmt(@start_date)
        ) %>
      </span>
    <% end %>
  <% true -> %>
    <strong>
      <%= gettext("From the %{start} to the %{end}",
        start: datetime_to_string(@start_date, @locale, :short),
        end: datetime_to_string(@end_date, @locale, :short)
      ) %>
    </strong>
    <br />
    <%= if @event.options.timezone != @timezone do %>
      <span style="font-size: 13px;">
        <%= gettext("🌐 %{timezone} %{offset}",
          timezone: @event.options.timezone,
          offset: Cldr.DateTime.Formatter.zone_gmt(@start_date)
        ) %>
      </span>
    <% end %>
<% end %>