What Dina porutham means, how it is counted from the bride's Nakshatra to the groom's, which remainders are favourable, and what happens if it is absent.
Dina porutham is checked by counting from the bride's birth Nakshatra to the groom's and dividing the count by 9. Remainders of 2, 4, 6, 8 or 0 are traditionally favourable; 1, 3, 5 and 7 are not. It stands for the couple's health, freedom from illness and peaceful day-to-day life together.
Dina porutham (also written Dinam or Nalla porutham) is one of the ten checks of Tamil thirumana porutham. The word dina means day, and the porutham is read as a promise about the couple's days together: health, freedom from illness, and a peaceful, friction-free daily life. Because it speaks to the couple's ongoing well-being rather than a one-time event, Tamil tradition places it among the high-importance poruthams.
Like most poruthams, it needs only two facts: the bride's birth Nakshatra and the groom's. The 27 Nakshatras run in a fixed sequence from Ashwini to Revati, and Dina porutham is decided purely by where the groom's star falls in that sequence relative to the bride's.
Tamil tradition always counts from the bride's star. Her own star counts as 1.
Move through the sequence Ashwini, Bharani, Krittika … wrapping past Revati back to Ashwini if needed, until you reach the groom's star. Note the count (1 to 27).
The 27 stars fold into three cycles of nine, so only the remainder matters. A remainder of 0 means the count divided evenly.
Remainders 2, 4, 6, 8 and 0 give Dina porutham; remainders 1, 3, 5 and 7 do not.
A worked example: if the bride's star is Rohini (4th) and the groom's is Anuradha (17th), the count from Rohini to Anuradha is 14. Fourteen divided by 9 leaves a remainder of 5 — an unfavourable remainder, so Dina porutham is absent for this pair. Had the groom's star been Jyeshtha (18th), the count would be 15, remainder 6 — favourable.
| Remainder | Result | Traditional reading |
|---|---|---|
| 2 | Favourable | Sampat — prosperity and well-being |
| 4 | Favourable | Kshema — welfare and security |
| 6 | Favourable | Sadhana — accomplishment together |
| 8 | Favourable | Mitra — friendship and support |
| 0 (divides evenly) | Favourable | Parama Mitra — the closest friendship |
| 1 | Unfavourable | Janma — same-star cycle, held to bring illness |
| 3 | Unfavourable | Vipat — danger and setbacks |
| 5 | Unfavourable | Pratyak — obstacles between the pair |
| 7 | Unfavourable | Naidhana — the most avoided remainder |
A useful intuition for the table: the counts fold the 27 stars into three rounds of nine, and within each round the odd positions carry the difficult names — Janma, Vipat, Pratyak, Naidhana — while the even positions carry the auspicious ones. That is why the rule compresses so neatly to "even remainder good, odd remainder bad", with the even division (remainder 0) — the ninth position, Parama Mitra — counted as the best result of all.
An absent Dina porutham is a caution, not a veto. It is a high-importance check, so astrologers take it seriously — but unlike Rajju or Vedha it is not compulsory, and tradition allows a match to proceed when the rest of the pattern is strong.
On MatrimonyTrust, Dina porutham is computed automatically along with the other nine whenever both profiles carry birth details. Every profile shows the horoscope compatibility score out of 10 with its Excellent/Good/Average/Low label, and the full breakdown shows exactly whether Dina porutham is present for a given match — so families can weigh it in context rather than in isolation. How the ten checks combine into the score is explained in How horoscope compatibility scoring works.
Count from the bride's birth Nakshatra to the groom's in the standard sequence of 27 stars, counting the bride's own star as 1. Divide the count by 9 and take the remainder. Remainders of 2, 4, 6, 8 or an even division (remainder 0) give Dina porutham; remainders of 1, 3, 5 or 7 mean it is absent.
Dina porutham stands for the couple's day-to-day life together — good health, freedom from illness, and a peaceful household without constant friction. Because it concerns ongoing well-being rather than any single life event, Tamil tradition counts it among the high-importance poruthams, though it is not a compulsory check like Rajju or Vedha.
Yes. Dina porutham is important but not compulsory in the Tamil system. If Rajju and Vedha pass and the overall tally reaches the traditional 5–6 agreements — especially with Gana and Yoni present, which cover similar ground — astrologers routinely approve matches where Dina porutham is absent. Borderline charts are worth verifying, since a birth time near a star boundary can change the count.
They are close relatives. Both use the classical nine-fold Tara cycle of counts between the two birth stars, and both concern health and fortune. Dina porutham gives a present/absent result in the Tamil 10-porutham system, while Tara koota awards up to 3 points within the North Indian 36-guna system — different scoring, same underlying logic.
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