521 (wǔ èr yī) — A phonetic code that sounds like 我愿意 (wǒ y...

A phonetic code that sounds like 我愿意 (wǒ yuànyì, 'I am willing' / 'I do'). Used as a romantic declaration, especially on May 21st — China's second unofficial Valentine's Day. If 520 means 'I love you,' 521 means 'I do.'

Example Usage

今天521,我想对你说,我愿意陪你走完这一生。

Today is 521, I want to tell you — I am willing to walk through this life with you.

Cultural Context

May 21st (5/21) is an unofficial Chinese Valentine's Day alongside May 20th (5/20). Together 520 and 521 form the ultimate romantic sequence: I love you + I do. Many couples use both dates to celebrate.

Category: love-friends