Superstar singer Mariah Carey still refuses to acknowledge birthdays and she doesn't have clocks, but if she has to meet someone she has one of her associates ring that person to "figure it out".

Mariah Carey, 56, recently confirmed rumors that she doesn’t believe in the passage of time, and explained why.

Mariah Carey emphatically stated that she does not believe in the passage of time, adding that she also doesn’t observe her birthday.