360 Day Calendar Finance. The 30/360 us day count convention stands as a cornerstone in american finance, providing a standardized approach to calculating interest by assuming that each month has 30. I read online about a rather deceptive banking practice of using 360 days to calculate interest, rather than 365, but in the same article i read that it was typical to divide the number of days.

2 reasons to sell day and 1 stock to buy instead dayforce has had an impressive run over the past six months as its shares have beaten the s&p 500 by 23.9%. I read online about a rather deceptive banking practice of using 360 days to calculate interest, rather than 365, but in the same article i read that it was typical to divide the number of days.