Siddha
“Accomplishment.” The default favourable reading — acts begun tend to reach completion.
Methodology · Nakshatra yoga
How Anandadi & Tamil Yoga are determined
Two nakshatra-born day qualities: the 28-fold Anandadi cycle and the Tamil Siddha–Amrita–Marana yoga. Both are read from the day’s nakshatra and weekday, and both turn over the moment the nakshatra changes.
What they are
Two qualities the nakshatra carries
Beyond the five limbs, each nakshatra of the day carries named qualities that shift the flavour of the muhurta. Anandadi Yoga is a 28-name cycle — from Ananda (“bliss”) to Pravardhamana (“flourishing”) — and Tamil Yoga is the South-Indian Siddha / Amrita / Marana reading widely used in Tamil panchangams.
Both depend on the nakshatra and the weekday together, so the same nakshatra can read auspicious on one weekday and inauspicious on another. And because they are tied to the nakshatra, each one ends exactly when the nakshatra ends — which is why we show an “until” time and the value the next nakshatra brings.
“The vaara and the star together name the yoga of the day; the wise weigh its name before beginning an act.”
Anandadi Yoga
The 28-fold cycle
Ananda begins at a fixed nakshatra for each weekday; the 28 yogas then run in order through the nakshatras (Abhijit is counted as the 22nd).
On each weekday, the yoga Ananda is fixed to a particular start nakshatra. Counting forward from there through the 28-fold nakshatra list gives the yoga for the day’s star. The start advances four nakshatras per weekday (Sunday → Ashwini, then +4 each day):
| Weekday | Ananda begins at |
|---|---|
| Sunday | Ashwini |
| Monday | Mrigashira |
| Tuesday | Ashlesha |
| Wednesday | Hasta |
| Thursday | Anuradha |
| Friday | Uttara Ashadha |
| Saturday | Shatabhisha |
The count runs over 28 positions, not 27: Abhijit — the intercalary nakshatra between Uttara Ashadha and Shravana — is included as position 22. This is why the cycle carries 28 names.
Auspicious yogas
AnandaPrajapatiSaumyaDhwajaSrivatsaChatraMaitraManasaPadmaSiddhiShubhaAmritaMatangaCharaSthiraPravardhamana
Inauspicious yogas
KaladandaDhumraDhwankshaVajraMudgaraLumbaUtpataMrityuKaalaMusalaGadaRakshasa
Tamil Yoga
Siddha, Amrita & Marana
The Tamil-panchangam reading of the same nakshatra–weekday pair — a compact verdict on the day.
Each nakshatra–weekday cell resolves to one of four verdicts. We apply the classical Tamil grid.
Amrita
“Nectar.” The most auspicious of the four — especially prized for beginnings and ceremonies.
Marana
“Death.” Strongly inauspicious — tradition holds off on new work in this window.
Prabalarishta
“Strong peril.” A cautionary reading that appears once per weekday.
Why both carry an “until” time
Anandadi and Tamil Yoga are properties of the nakshatra, so they change at the exact instant the Moon leaves one nakshatra for the next — the same transition time shown in the nakshatra limb. We display the value that holds now, when it ends, and what the next nakshatra brings.
Our authorities
The texts we stand on
The rules on this page are drawn from the standard muhurta and dharma-nirnaya literature, computed on a modern astronomical foundation.
Muhurta Chintamani
Daivajna Ramacharya — on the nakshatra yogas and their use in muhurta.
Tamil Panchangam tradition
The Siddha / Amrita / Marana weekday–star grid as kept in South-Indian almanacs.
Drik-Ganita nakshatra
The true Moon-longitude nakshatra and its end time that fix both yogas.
Computation: true positions from the Swiss Ephemeris, sidereal with the Lahiri (Chitrapaksha) ayanamsa — the standard adopted by the Indian Calendar Reform Committee for the Rashtriya Panchang.
Keep exploring
More from the methodology
Kari Dina
How Kari Dina is determined
The five days of the year to avoid for auspicious activities — two after solstitial sankrantis, three on lunar Pratipada days.
Nivas & Shool
How Nivas & Shool are determined
Homahuti, Agnivasa, Shivavasa and Kumbha Chakra — the residence and direction indicators, with their exact tithi/nakshatra formulas.
Chandrashtama
How Chandrashtama is determined
The janma rashi and nakshatras for whom the day is inauspicious because the Moon is in their 8th house — and the window it lasts.
Mantri Mandala
How the Mantri Mandala is determined
The ten planetary offices of the Samvatsara — King, Minister, and the lords of crops, rain and wealth — and the solar ingress that fixes each.
Muhurat Finder
How we find auspicious muhurat dates
Nakshatra-first day scoring, full Shuddhi (tithi/yoga/karana + Grahan/Kharmas/Chaturmas/Panchak…) and lagna-window selection.
Hora
How the Hora is calculated
The 24 planetary hours, the day-lord start, and the Chaldean order that even names the weekdays.
Today's panchang
See today’s Anandadi and Tamil Yoga in your city’s daily panchang.
FAQ
How Anandadi & Tamil Yoga are determined — Frequently Asked Questions
Anandadi Yoga is a cycle of 28 named yogas — from Ananda to Pravardhamana — read from the day’s nakshatra and weekday. Ananda begins at a fixed nakshatra for each weekday, and the 28 yogas run in order from there (Abhijit counts as the 22nd).
They are the Tamil-panchangam verdicts for a nakshatra–weekday pair. Amrita and Siddha are auspicious (nectar and accomplishment); Marana and Prabalarishta are inauspicious and traditionally avoided for new work.
Both are properties of the nakshatra, so they change at the moment the Moon moves into the next nakshatra. That is why the panchang shows an “until” time and the value the next nakshatra will bring.
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