Retrograde periods for Mercury, Venus, Mars, Jupiter and Saturn. Rahu and Ketu are always retrograde by convention.
1 retrograde period in 2007
135 days in कर्कट
3 retrograde periods in 2007
22 days in कुम्भ
24 days in मिथुन
21 days in तुला
1 retrograde period in 2007
123 days in वृश्चिक
1 retrograde period in 2007
43 days in सिंह
1 retrograde period in 2007
77 days in मिथुन
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.
