Retrograde periods for Mercury, Venus, Mars, Jupiter and Saturn. Rahu and Ketu are always retrograde by convention.
1 retrograde period in 2042
81 days in कर्कट
4 retrograde periods in 2042
21 days in मकर
24 days in वृष
23 days in कन्या
20 days in धनु
1 retrograde period in 2042
139 days in तुला
1 retrograde period in 2042
123 days in वृश्चिक
1 retrograde period in 2042
42 days in तुला
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.
