Traditionally, 12:00 is neither am or pm, it is either midnight or noon. With the advent of digital clocks, midnight marks the start of the am portion of the day. The thirtieth edition of the U.S....
The day of the week 263 days from Monday is Friday. Take 263. Divide by 7. You get 37.7something. Subtract 37, leaving the .7something. Multiply by 7. You get 4. Monday plus four days is Friday.