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A muhurat is a scored recommendation, not a lookup table. Type in what you are doing — a wedding, a job interview, a business launch, a house-warming — and the engine classifies the activity, then weighs twelve separate timing factors against it before returning a window. Some of those factors move within the day (Rahu Kaal, Vishagatti, Abhijit, the Choghadiya), some are fixed once you pick the date (the day's Yoga and Nakshatra quality, Rikta tithis, Bhadra/Vishti karana, Chandrashtama), and three read your own birth chart against the sky (Tara — your personal star-count cycle, the Moon's transit house from your natal Moon, and Lagna fit). No single factor decides the outcome; the engine combines all twelve into a weighted score and reports which ones actually applied to your search.
That score sorts into five tiers: GOD (rare, everything aligned with no penalties), DIAMOND, GOLD (the everyday "good window" result), BRONZE (usable but with a flagged caveat — a Rikta tithi you can't move because the day is fixed, for instance), and UNSAFE (a hard-stop factor, such as Vishti karana on a construction start). Two rules keep the output honest: a genuine kill-switch factor caps the tier at BRONZE rather than hiding the problem, and the engine always returns SOMETHING rather than an empty result — even a BRONZE window with its caveats printed is more useful than silence.
What actually changes the recommendation for YOU, specifically, are the chart-fit factors: Tara (your personal star-count position relative to the day's Nakshatra — favourable stars differ by birth star), the Moon's transit house counted from your natal Moon (some houses support new beginnings, others caution against them), and Lagna fit. Add your birth details and the same calendar day can score differently for you than for someone else searching the identical activity — that personalization is the entire reason a generic Panchang lookup and a chart-aware muhurat finder give different answers.
The twelve factors, grouped by what actually moves them
Three groups, because they behave differently. Intraday factors are still a lever even on a date you've already committed to; day-level factors lock in once the calendar day is fixed; chart-fit factors are the personalization layer that needs your birth details.
Intraday — Rahu Kaal
A roughly 90-minute inauspicious window that shifts by weekday and by sunrise/sunset, avoided for new beginnings. Still avoidable within a fixed day by choosing a different hour.
Intraday — Visha Ghati
A shorter daily "poison period" alongside Rahu Kaal, same avoidance logic, same intraday flexibility.
Intraday — Abhijit Muhurat
The victory window centred on local solar noon — one of the strongest positive factors, and the one exception that overrides an otherwise-penalized Rikta tithi.
Intraday — Choghadiya
The eight-part daylight/night division (Amrit, Shubh, Labh, Char favourable; Rog, Kaal, Udveg unfavourable) — the finest-grained lever within a day.
Day-level — Rikta tithi
Tithis 4, 9, 14, 19, 24, 29, and 30 ("empty") carry a scoring penalty for new beginnings — waived automatically when the slot falls in Abhijit. Locked once the date is fixed.
Day-level — Bhadra (Vishti karana)
A specific half-tithi karana traditionally avoided for most starts (construction is the one activity the engine exempts). A hard gate, not a soft penalty, for most activity types.
Day-level — Destructive Yoga / Fierce Star / Chandrashtama
Day-quality checks against the Panchang's Yoga and Nakshatra, and against whether the transiting Moon sits 8th from your natal Moon (Chandrashtama) — all fixed for the day once the date is chosen.
Chart-fit — Tara
Your personal star-count cycle: the day's Nakshatra counted from YOUR birth Nakshatra, sorted into favourable and unfavourable positions. Needs your birth star, not just your birth date.
Chart-fit — Moon transit house
Where the transiting Moon sits counted from your natal Moon — some houses (the upachaya group) support action, others (particularly the 8th) counsel caution.
Chart-fit — Lagna fit
Whether the day's ascendant-relevant placements support the specific activity you searched, read against your own chart rather than a generic template.
The five tiers
GOD
Rare. Every factor aligns and no penalty or kill-switch applies. Not manufactured to appear often — if you see it, the confluence is real.
DIAMOND
Very strong, one step below GOD — the difference is usually a single minor factor that isn't fully aligned rather than any penalty.
GOLD
The everyday "good window" result: no kill-switch factors triggered, no Bhadra/Vishti conflict, penalties (if any) mild enough not to matter.
BRONZE
Usable, with a flagged reason — a Rikta tithi on a date you can't move, or a personal-chart caution that isn't severe enough to rule the slot out entirely. The engine tells you exactly which factor triggered the downgrade.
UNSAFE
A genuine kill-switch factor for the specific activity — e.g. Bhadra karana for most starts. The engine will not present this as a recommendation.
Why the same calendar day can score two different tiers
A user searches "business launch" for a date whose Tithi is 19 (Rikta) but which also contains an Abhijit window at local solar noon. Outside Abhijit, tithi 19 carries the Rikta penalty. Inside the Abhijit window, the Rikta penalty is waived and the Abhijit bonus applies instead — so the SAME day returns BRONZE for a 10 AM slot and GOLD or better for the solar-noon slot.
A second user searches "wedding" for the identical date. If the day's Karana happens to be Vishti (Bhadra) at the ceremony hour, the engine gates the slot regardless of tithi or Abhijit — Bhadra is a hard stop for marriage, one of the activities it is not exempted for.
A third user adds their birth details for the same "business launch" search. If their natal Moon puts the day's transiting Moon in their 8th house (Chandrashtama) or their personal Tara count lands unfavourably, the chart-fit layer can pull an otherwise-GOLD generic day down to BRONZE specifically for them — while it stays GOLD for someone whose chart doesn't carry that caution.
The tier is not a property of the calendar date alone — it is a function of (activity type × hour × your chart), which is why the same day can legitimately return different tiers for different searches.
What this tool can NOT tell you
A muhurat tier is a supportive signal, not a guarantee. GOD and DIAMOND windows have failed and BRONZE windows have gone well — the tradition itself frames timing as one input among many, not a lever over outcomes.
The chart-fit factors (Tara, Moon transit house, Lagna) need an accurate birth time and place. Without them the engine still scores the intraday and day-level factors honestly, but it is reading the day generically — not for you specifically.
Some factors are genuinely non-negotiable for certain activities (Bhadra for most starts) and some are adjustable preferences (you can turn Rahu Kaal avoidance off if you don't follow it). The engine distinguishes these; it does not treat every tradition as equally mandatory.
This tool computes and combines named classical factors — it does not consult a human astrologer's judgment, and it will not resolve a disagreement between two traditions that weight the same factor differently. Where schools of Jyotish genuinely disagree, we say so rather than picking a side silently.
Computed with Swiss Ephemeris, Lahiri ayanamsa · Content reviewed 2026-08-08
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AskSoma publishes this page. The explanatory writing is AI-drafted — by Soma, the same AI astrologer that answers inside the app — and published by the AskSoma team. No individual human author is credited, because none wrote it.
The astrology is not written from memory: every chart position, dasha period and panchang timing AskSoma shows is computed with the Swiss Ephemeris on the Lahiri (Chitrapaksha) ayanamsa. How we calculate.