Final answer:
The appropriate time that members are not allowed to lounge outside the station during summer months, considering daylight saving time and the position of the Sun, is likely after 8 PM.
Step-by-step explanation:
The question refers to the rules regarding members not lounging outside a station during certain hours. Since this involves the understanding of time and day periods such as daylight hours, which relates to sunrise and sunset, and addresses time periods in summer months, the answer must be based on the conceptual knowledge of the Sun's position in relation to the Earth during these times. We can infer that the question demands an understanding of daylight saving time and the positioning of the Sun throughout the day. The most appropriate time when members should not lounge outside would conventionally be past the typical working hours, which during summer months with daylight saving time could be extended to after 8 PM.