Be the life of the party by calculating any day of week in your head!
Quickly determine what day your were born, or when a contract was signed. Impress your friends & colleagues with your newfound skill.
Quickly determine what day your were born, or when a contract was signed. Impress your friends & colleagues with your newfound skill.
Show More
![What time is it? [U-F] icon](https://apprecs.org/ios/img/icons/webp/150/968323442/eQqb3YHCRZwbMFynVeDYY0DQrn1DQjKz5IQ-99hfgt8-icon "What time is it? [U-F]"){kind=icon}
