来北京日报客户端，预约2026年第一场天安门升旗仪式

Group 1 - The article announces that visitors wishing to attend the flag-raising and lowering ceremonies at Tiananmen Square in 2026 must make reservations in advance, specifically 1 to 7 days prior to their visit [1][3] - Reservations for visiting on January 1, 2026, can be made starting from December 25, 2025, with ticket availability updated daily at noon [3][9] - The reservation process involves accessing the Beijing Daily client app and navigating to the service section to book tickets [6][9]