Before revision: The formula is: Where MZD = Meridian Zenith Distance TZD = True Zenith Distance H = Local Hour Angle L = DR Latitude D = Declination Once the figure for the Meridian Zenith Distance is obtained the sum or the difference is obtained between it and the declination of the object to obtain the latitude.
After revision: The formula is: Where = Meridian Zenith Distance = True Zenith Distance = ocal Hour Angle L = R Latitude D = Declination Once the figure for the Meridian Zenith Distance is obtained the sum or the difference is obtained between it and the declination of the object to obtain the latitude.