Mesha (Aries) and Tula (Libra) sit directly opposite each other in the zodiac, and this page explains how that pairing reads in Sinhala porondam and Tamil porutham. We look at the rashi-level results with the bride in either sign, then show why the two birth stars matter far more than the signs alone.
Which rashi is used in porondam and porutham?
The rashi used in Sri Lankan marriage matching is the moon sign (chandra rashi), calculated in the sidereal zodiac followed in Sri Lanka. It is not the sun sign printed in newspaper horoscope columns, so someone who calls themselves an Aries in a magazine may well have a different chandra rashi.
Your moon sign depends on where the Moon was at the moment of birth, which is why an accurate date, time and place are needed. Once both chandra rashis are known, a handful of matching items can be read at the sign level. These are useful as a first look, but, as the sections below explain, they are only part of the picture.
What do the rashi count and vashya show for Mesha and Tula?
Counting from either sign to the other gives 7, because Mesha and Tula are opposite signs. This holds in both directions, whether the bride is Mesha and the groom Tula or the reverse. In both the Sinhala and Tamil systems, the rashi item is marked good for this count.
Vashya (vasya in Tamil), which looks at the natural affinity between the two signs, is marked bad in both systems and in both directions. That simply means this one item is not satisfied for the pair. It is a single factor among many, and astrologers always weigh it alongside the full set of star-based results rather than on its own.
Are the rashi lords Mars and Venus friendly?
Mesha is ruled by Mars and Tula by Venus. In the planetary relationships used here, Mars and Venus are mutually neutral: neither counts the other as a friend or an enemy, and this is the same whichever partner holds which sign.
The two traditions read this neutrality a little differently. Sinhala porondam marks rashyadhipathi as average, while Tamil porutham marks rasi adhipathi as good. Both are fair readings of the same relationship; they reflect how each system grades a neutral pair of lords. Either way, the rashi lords item does not stand in the way of this match.
Why do the birth stars matter more than the signs?
The real match is decided by the two birth stars (nakshatra) and their quarters. Mesha and Tula each cover nine star-quarters, giving 81 combinations for this pair, and the results vary widely.
With a Mesha bride and Tula groom, about 15% of combinations reach 8 of 10 porutham, 20% are weak in the Tamil reading, none has a Tamil rajju clash, and 72% pass Sinhala porondam (leaving aside the weekday item). With a Tula bride and Mesha groom, about 35% reach 8 of 10, 20% are weak in the Tamil reading, none has a rajju clash, and all 100% pass Sinhala porondam on the same basis. Use the calculator with full birth details, and consult a family astrologer for any marriage decision.
Read the Mesha horoscope and the Tula horoscope, or check two exact birth charts with the porondam calculator.