Whether you’re taking the raw or JPEG road to monochrome, the exposure process is the same as for colour.
With black & white there’s no issue with the light’s colour. You get lovely, warmer or more red light at both ends of the days and it’s neutral and cool in between, which is why colour landscape photographers are busiest early and late on and relaxing in between. In black & white, you can shoot all day long and the higher contrast and harshness are powerful tools. Whether you’re taking the raw or JPEG road to monochrome, the exposure process is the same as for colour.