In all the world, ซันเดย์ (Sande 
, Sundan 
, ซันเดย์ 
) is a common gender-neutral first name. The forename ซันเดย์ is characteristic of Syria, where it is quite a rare primarily feminine, but very infrequently boy's name, Tanzania, where it is quite a rare principally boy's, but very seldom girly name, and Mauritania, where it is quite a rare masculine name. Measured by absolute frequency, the name is most common in India, Tanzania, and Egypt. More frequently, ซันเดย์ is the last name as well as the forename.