Retrograde periods for Mercury, Venus, Mars, Jupiter and Saturn. Rahu and Ketu are always retrograde by convention.
4 retrograde periods in 1983
20 days in मकर
24 days in मेष
23 days in कन्या
20 days in धनु
1 retrograde period in 1983
139 days in तुला
1 retrograde period in 1983
123 days in वृश्चिक
1 retrograde period in 1983
43 days in सिंह
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.
