The ephemeris window allows you to display the longitudes of luminaries, lunations, planets, dark moons, lunar nodes and the 5 main asteroids.
Click on the date to change it.
The pointer will ask you to type a new date (month year).

Confirm your choice by clicking on "OK".
To cancel and display the date again, click on the title "period". 5 periods can be selected by clicking on the key that corresponds to :

• 1 month
  Positions of all the planetary elements, each day of the month. Lunations are displayed with symbols of lunar phases.
• 6 months
  Positions each week (over 7 months).
• 12 months
  Positions every two weeks (over a year).
• 2 years
  Positions each month (over 2 years).
• 12 years
  Positions displayed every 6 months (over 12 years, starting with Jupiter).

The display of these periods can be preselected by using the 5 submenus "Ephemeris" from the menu "sky". The lists of planetary positions are all calculated at midnight (Time Unit). You can display the mean, corrected or true Dark Moon by clicking one of the three corresponding keys. You can select the zodiac reference by clicking the corresponding zodiac :

• Tropical
  Longitudes are calculated at the vernal point. This option corresponds to a "classic" calculation when it comes to occidental astrology that deals with zodiac signs défined by seasons.
• Ayanamsa et SVP
  Longitudes are displayed on the sidereal zodiac, i.e the stars zodiac (or constellations). These options correspond to calculations when it comes to oriental or sidereal astrology, according to two references Ayanamsa and SVP.

Click the left and right areas (big lateral red squares of the picture above) to move back or forward of a period of time. You can move the date back or forward by clicking one of the corresponding links for the date (year month).