The Angles of the Chart
For a short description of the nature of the angles of the chart, hover over each respective title. To go to a page with a more complete description of the Midheaven, the Ascendant, the Descendant or the Imum Coeli, click on the angle you wish to read about. The image below is showing the nature of the angles of the chart using the Whole Sign house system.
The Ascendant(As)
The degree and sign that is rising over the eastern horizon at a given moment of time.
The Descendant(Ds)
The degree and sign directly opposite the Ascendant.
The Midheaven (Mc)
The degree and sign that is culminating (at the highest point overhead) at a given moment of time.
The Imum Coeli (Ic)
 The degree and sign directly opposite the Midheaven, also referred to as the 'Nadir'.Â