I2C and DS1307 real-time clock IC

As for the hour, taking the bits:

Wire.send(B01101001);//HOUR

The low-order 4 bits will be 9 so it is 9 am or 9 pm.

Since bit 6 is a 1 it is am/pm mode. And since bit 5 is a 1 it is pm. So, 9 pm.