Retrograde periods for Mercury, Venus, Mars, Jupiter and Saturn. Rahu and Ketu are always retrograde by convention.
4 retrograde periods in 2050
20 days in धनु
24 days in मेष
24 days in सिंह
20 days in वृश्चिक
1 retrograde period in 2050
141 days in मकर
1 retrograde period in 2050
60 days in मकर
1 retrograde period in 2050
42 days in कन्या
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.
