| Group Members | Ashin Monster Stone Masa Ming (Guan You) Kuan-you/Ming |
| Past Group Members | Qian You Da (錢佑達)(drummer) Chen Yung-chang (陳泳錩)(drummer) Robert (任柏璋)(drummer) Chien You-ta (錢佑達) (drummer) Chen Yung-chang (陳泳錩) (drummer) Robert (任柏璋) (drummer) |
| Music Genre(s) | Pop rock hard rock Rock pop |
| Origin | Taiwan |
| Year(s) Active | 1997–present |
| Record Label | Rock, Universal Music Group, B'in Music Co. Ltd (相信音樂) (2006–present) A-Sketch (Japan) Rock Records (1998- 2006) B'in Music (2006–present) Warner Music (2006-present) Warner Music (2006–present) |
| Official Websites | bin-music.com |
Mayday (Chinese: 五月天; pinyin: Wǔ Yuè Tiān; Pe̍h-ōe-jī: Gō͘-goe̍h-thiⁿ) is a Taiwanese band that debuted in 1999 with five members, Monster (leader, lead guitar), Ashin (vocal), Stone (rhythm guitar), Masa (bass) and Kuan-you (drums).
