Dasha are the foundation of Jyotisha Shastra regularly known as Vedic Astrology. It is a strategy for movement of either planets or signs, to time appearance of aftereffects of planets and signs guaranteed in the natal graph. Among them Vimshottari possesses a famous spot as a large portion of astrologer of current time utilize this. Anyway it is said that there are a lot more Dasha framework, 42 of them which Maharishi Parashara described in his undying work Brhat Parashari Hora Shastra (BPHS). Here is an endeavor to bring all these Dasha frameworks in a single spot for the information of devoted student of this control. In spite of the fact that excepting a couple Dasha frameworks, relatively few are acknowledged when all is said in done use now a days, realize that their utility in the present age have not reduced. They are as helpful as in the past, yet one needs to comprehend their correct utilization.

The Dashas are the decision times of planets. There are in excess of 42 distinct kinds of Dasha frameworks

(1) Vimshottari Dasa, (2) Shodashottari Dasa, (3) Dvadashottari, (5) Ashtottari, (6) Panchottari, (7) Chaturashiti, (8) Dwisaptati, (9) Shastihayani, (10) Shattrimshat, (11) Navamsa Navadasa, (12) Rashyansha Dasa, (13) Kala, (14) Chakra, (15) Kalachakra, (16) Sudarshana Chakra, (17) Chara Paryaya, (18) Navamsa sthira, (19) Sthira, (20) Chaturvidha Uttara, (21) Brahma Grahaashrita, (22) Kendra, (23) Karakendra, (24) Karaka Graha, (25) Manduka, (26) Shula, (27) Nakshatra, (28) Yogardha, (29) Drg, (30) Trikona, (31) Nakshatraadrashi, (32) Tara, (33) Varnada, (34) Panchasvara, (35) Yogini, (36) Pinda, (37) Amsa, (38) Rashmi, (39) Nisarga, (40) Ashtakavarga, (41) Sandhya, (42) Pachaka.

Commonly used Dashas

Vimshottari: This is the most mainstream dasha among all and is additionally broadly material. The Dasha begins with the precise position of moon it its Nakshatra. The Nakshatras are mapped to 9 planets which show the movement of the dasha. Every one of the ninth planets is doled out different range of life span, which aggregate as long as 120 years. The period and the sequence of each Dashas is as follows

Sun Dasha is 6 years
Moon Dasha is 10 years
Mars Dasha is 7 years
Rahu Dasha is 18 years
Jupiter Dasha is 16 years
Saturn Dasha is 19 years
Mercury Dasha is 17 years
Ketu Dasha is 7 years
Venus Dasha is 20 years

Ashtottari: According to Maharishi Parashara, this is suggested when Rahu does not possess the ascendant, however involves a quadrant or Trine to the Lord of the ascendant. Nonetheless, Mansagari states that Vimshottari is appropriate for one conceived in Krsna Paksha while Ashtottari is relevant for one conceived in Shukla Paksha . Especially when Rahu possesses Kendra from ascendant Ardradi Ashtottari Dasa is relevant. then again when Rahu involves trine from ascendant, Krttikadi Ashtottari Dasa is pertinent . The dasa span in this dasa is Sun 6y, Moon 15y, Mars 8y, mercury 17y, Saturn 10y, Jupiter 19y, Rahu 12y, Venus 21y.

Shodashottari: This is prescribed when (1) birth happens during the day time in Krsna Paksha, or around evening time in Shukla Paksha, or (2) when ascendant ascents in moon Hora in Krsna Paksha, or, Sūn Hora in Shukla Paksha. Count the quantity of Nakshatras from Pushya to the Janma Nakshatra. Partition this number by 8. The reminder indicates the Dashas of Sūn11y, Mars 12y, Jupiter 13y, Saturn 14y, Ketu 15y, moon 16y, mercury 17y and Venus 18y.

Dvadashottari: This is suggested when ascendant possesses a Navāmśa of Venus. Count from Janma Nakshatra to Revati. Gap this number by 8. The remainder indicates Dasha of planet concerned. The Dasha request is Sūn 7y, Jupiter 9y, Ketu 11y, mercury 13y, Rahu 15y, Mars 17y, Saturn 19y, moon 21y.

Panchottari: This is prescribed when ascendant rises in cancer sign and also cancer Dvadashāńśa. Count from Anuradha up to the Janma Nakshatra and gap the number by 7. The remainder indicates the Dasha. The order for the Dasha Lords is Sun 12y, mercury 13y, Saturn 14y, Mars 15y, Venus 16y, moon 17y and Jupiter 18y.

Shatabdika: This is recommended when ascendant is Vargottama.  Count from Revati to the Janma Nakshatra and divide this number by 7. The remainder indicates the Dasas. The order of the Dasha Lords is Sun 5y, moon 5y, Venus 10y, mercury 10y, Jupiter 20y, mars 20y and Saturn 30y.

Chaturashiti Sama: This is recommended when 10^th lord occupies the tenth house.  Count from Svati to the Janma Nakshatra and divide this number by 7. The remainder indicates the Dasas. The order of the Dasha Lords is Sūn, moon, Mars, Mercury, Jupiter, Venus and Saturn. In this scheme, the Dasha duration of each planet is 12 years.

Dvisaptati Sama: This is recommended when ascendant occupies either the ascendant or the seventh house.  Count from Mula to the Janma Nakshatra and divide the number by 8. The remainder indicates the Dasas. The order of the Dasha Lords is Sun, moon, mars, and mercury, Jupiter, Venus, Saturn and Rahu. In this scheme, the Dasha duration of each planet is 9 years.

Shastihayani Dasa: This is recommended when Sun occupies the ascendant. The order of Dasha Lords in this system is, as follows. Sun, moon, mars, mercury, Jupiter, Venus, Saturn and Rahu. The following shows the Nakshatras, falling under the various Dasha Lords. The Dasas of Jupiter, Sun and Mars are of 10 years. The remaining planets have Dashas of 6 years each

Shattrimshat Sama: This is recommended when birth occurs during day time and ascendant rises in Sun Hora, or birth occurs during night time and ascendant rises in moon’s Hora. Count from Shravana to the Janma Nakshatra and divide the number by 8. The remainder indicates the Dasas. The order of the Dasha Lords is moon 1y, Sun 2y, Jupiter 3y, Mars 4y, mercury 5y, Saturn 6y, Venus 7y and Rahu 8y.

Chakra Dasa: This is general purpose phalita dasa and applicable to all cases.  For night birth, the Dasa commences from ascendant sign. For night birth the Dasa commences from the ascendant lord sign. If the birth is during evening, the Dasa commences from the sign falling in the 2nd house. Dasa period: The Dasa of each sign is 10 years

Kaalachakra Dasa: This is sign and Nakshatra based dasa and appropriate to all horoscopes. This is known to be a radiant dasa for timing some exceptional occasions. This is a broad dasa framework dependent on the exact area of the moon in a Nakshatra Pada. In this technique, the nakshatras are grouped into Savya (zodiacal) and Apasavya (turn around) and two specific sign are recognized to be specific Deha and Jeeva. This Dasa is very precise for timing disasters, genuine wellbeing dangers and death.

Chara Dasa: This is general purpose phalita signdasa and applicable to all cases. This is used in Jaimini astrology .The progression is based the sign in the 9^th house being Vimsapada or Samapada. Dasa period: The duration of each sign is arrived at by counting from the sign to its lord. On top of that if the lord occupies its exalted sign, then 1 is added, and if it occupies its debilitated sign, 1 is subtracted. The computation is extensive and hence not covered here.

Sthira Dasa: This is a sign based Ayur Dasa and is particularly useful in timing ill health, dangers to life and death. This is also used in Jaimini astrology. Dasa period: In this dasa 7, 8 or 9 years are assigned to Chara, Sthira and Dvisvabhava Rāśis. The dasa commences from the sign occupied by the Brahma Graha.  It moves in zodiacal direction if the commencing sign is Odd and in reverse direction if it is Even.

Yogardha Dasa: This is a sign based Dasa and the span of a Dasa is the average of Chara and Sthira Dasas.  The Dasa commences from the stronger of the ascendant or the Seventh house.  Like Sthira Dasa, it moves in zodiacal direction if the commencing sign is Odd and in reverse direction if it is Even.

Lagna Kendradi Dasa: This is a sign based Dasa system. The Dasa commences from the stronger of the ascendant or the seventh sign.  Like Sthira Dasa, it moves in zodiacal direction if the commencing sign is Odd and in reverse direction if it is Even. There are two variants of this Dasa.

Shula Dasa: This is a sign based Ayur Dasa system. This is particularly useful for timing ill-health, dangers to life and death. The Dasa commences from the sign falling in the stronger of the 2nd or 8th.  It moves in zodiacal direction if the commencing sign is Odd and in reverse direction if it is Even. Dasa span: Like Sthira Dasa, 7, 8 or 9 years are assigned to Chara, Sthira and Dvisvabhava Rāśis.  In this Dasa, death is likely to occur in the Dasa of the strongest Maraka sign.

.Manduka Dasa: This is a sign based Dasa framework. This is especially valuable for timing struggle, clashes, threats to life and death. The Dasa begins from the sign falling in the strongest of ascendant or Seventh house. It moves zodiacal way if the beginning sign is Odd and in turn around bearing on the off chance that it is Even. In this plan, the dasa progress to the third sign counted from the previous one. Dasa length: Like Sthira Dasa, 7, 8 or 9 years are relegated to Chara, Sthira and Dvisvabhava Rāśis.

Drig dasa: This is a sign based Phalita Dasa framework. This is especially valuable for timing spiritual fulfillments. Sign falling in the ninth house. Sign aspecting the ninth house. This is trailed by the sign involving the tenth house and after that the sign aspecting it. At last, the sign involving the eleventh house and afterward those aspecting it. Dasa range: Like Chara Dasa, the span of each sign is landed at by counting from the sign to its lord.

Yogini Dasa: This is a Nakshatra dasa and is of extremely high distinction as this is described by Lord Mahadeva. There are 8 Yoginis, in particular Mangala, Pingala, Dhanya, Bhramari, Bhadrika, Ulka, Siddha and Sankata. Sūn, moon, defaces, mercury, jupiter, venus, saturn and Rahu are conceived from them. Add 3 to the Janma Nakshatra and separation it by 8. The remainder will indicate Yogini Dasa of Mangala, and so on. Dasa range: The Dasas are of 1, 2, 3, 4, 5, 6, 7 and 8 years. Balance of dasa at birth: Same as Vimshottari i.e., from terminated segment of moon in the Janma NakshatraTara Dasa: This is a nakshatra based Phalita Dasa framework and is like Vimshottari Dasa. This is a contingent dasa and is prescribed just when there are sign in the quadrant. The strongest planet in the quadrant starts it. The planet in the quadrant next in quality comes straightaway, after by those in Panaphara and afterward those in Apoklima. Subsequently the movement is like Pindayu, Amsayu Dasa and so forth. The Dasa range is same as that utilized in Vimshottari Dasa