Retrograde periods for Mercury, Venus, Mars, Jupiter and Saturn. Rahu and Ketu are always retrograde by convention.
1 retrograde period in 2038
41 days in Dhanu
1 retrograde period in 2038
136 days in Simha
3 retrograde periods in 2038
23 days in Meena
24 days in Karka
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.
