Raghunatha Iyer Vakya Panchangam -

A typical line looks cryptic at first:

“Chitirai 12, Budan, Rohini, 9.24 – 26”

Here’s the breakdown:

It takes practice, but for a ganitha sastrigal, this is as natural as breathing. Raghunatha Iyer Vakya Panchangam

Many assume that a 130-year-old almanac resists technology. On the contrary, Raghunatha Iyer & Sons has adeptly evolved:

However, the trust famously refuses to use real-time planetary positions from NASA’s JPL in its core calculation. They have, in their words, “digitized the Vakya rules, not replaced them.”

If you attend a traditional Iyer wedding in Madurai or a Satyanarayana Puja in Singapore, ask the priest: “Which panchangam are you following?” In 8 out of 10 orthodox cases, the answer will be “Raghunatha Iyer Vakya.” A typical line looks cryptic at first:

The word Vakya literally means “sentence” or “aphorism.” Unlike modern panchangams that rely on complex astronomical formulas and telescopic observations, the Vakya Panchangam is based on ancient mnemonic phrases passed down through generations.

These compact Sanskrit and Tamil sentences encode the positions of the Sun, Moon, and planets. For centuries, priests and astrologers memorized these vakyas to predict eclipses, determine festival dates, and calculate muhurtham (auspicious timings) without a single mathematical table.

Think of it as the original rule-of-thumb astronomy—remarkably accurate for naked-eye observations and ritual purposes. “Chitirai 12, Budan, Rohini, 9

Beware of counterfeit photocopies. The authentic Raghunatha Iyer Vakya Panchangam is published annually by Sri Raghunatha Iyer & Sons based in Kumbakonam, Tamil Nadu.

It is available at:

When buying, ensure the cover has the distinct photo of Sri Raghunatha Iyer (original) and the seal of "Kumbakonam Vakya."