The Hora (Horai), Shubh Muhurat/Shubh identifies the ruling planet of the hour and it's duration based on the sun rise timings in your location.
Once you are aware of your benefic planets or a ruling planet of a certain house in your horoscope, it would be easier to determine the auspicious time that is appropriate to perform or initiate several activities. For e.g., if the lord of your 10th house is Mars (Chevvai / Mangal) and is well placed as a benefic in your horoscope, then the hora period of Mars may help you to clear interviews or take good career-related decisions.
Hora or Horai Calculator of Astrograha displays the list of horai timings and it's corresponding ruling planets for the chosen location and date.
Sade Sati or 7 ½ Shani is a period that is considered to bring transformation, challenges and learnings for individuals based on their accumulated Karma. Sade Sati calculator of astrograha will show the sade sati periods from the year 2000 till 2099.
The birth chart calculator of Astrograha provides a basic birth chart that shows all the planetary placement, ascendant / lagnam, rashi and nakshatra details for a person by using the time of birth at a specific location. It includes calculating mangal dosha (chevvai dosham). The generated report can be printed using the print feature.