On which day should coral be worn?

According to the texts of astrology, red coral is the gem of planet Mars, Tuesday is fixed for performing any auspicious works related to planet Mars. Therefore, red coral is worn on Tuesday after seeing the auspicious time, worshiping it as per the rituals, and reciting auspicious mantras after sunrise. 

If for some reason Red Coral is not worn on Tuesday and it is necessary to wear it, then its other option is on Thursday. Thursday is considered an auspicious day, auspicious works are done on this day and Mars is also friendly with Jupiter, hence red coral can be worn at an auspicious time (shubh muhurt) on Thursday.

By wearing red coral on Tuesday, a person progressed very fast and all his troubles ended. Therefore, wear red coral on the ring finger only on Tuesday.