- 1.035
- 1.111.665.861
- 1.111.665.861

## mathOgenius

mathOgenius - How to Calculate The day of the week from the Date in Seconds.(Calendar Problem). Mental Maths- 11

- 1.035
- 1.111.665.861
- 1.111.665.861

mathOgenius - How to Calculate The day of the week from the Date in Seconds.(Calendar Problem). Mental Maths- 11