Retrograde periods for Mercury, Venus, Mars, Jupiter and Saturn. Rahu and Ketu are always retrograde by convention.
1 retrograde period in 2096
135 days in Simha
4 retrograde periods in 2096
20 days in Dhanu
24 days in Mesha
24 days in Simha
20 days in Vrishchika
Rahu and Ketu are the lunar nodes and are always Vakri (retrograde). They move backwards through the zodiac at roughly 1.5° per month and change Rashi only once every ~18 months.
