Because “520” sounds like “I love you” in Mandarin, 20 May has become a coveted date for marriage registration. In Shanghai in 2023, appointments across the city were almost fully booked, prompting municipal instructions to districts on handling demand. A similar date effect appeared on 4 January 2013, when nearly 7,300 couples registered because the numbers evoked “love you forever.”
The ordered wait is created not by urgent need to marry, but by the meaning couples want printed on the certificate. Administrative capacity stays finite while thousands choose the same symbolic date. Wordplay turns a private anniversary into competition for a public appointment.