Retrograde periods for Mercury, Venus, Mars, Jupiter and Saturn. Rahu and Ketu are always retrograde by convention.
1 retrograde period in 2040
123 days in कन्या
1 retrograde period in 2040
138 days in कन्या
3 retrograde periods in 2040
22 days in कुम्भ
24 days in मिथुन
21 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.
