Muhurat and timings
How to choose an auspicious date: muhurta basics
Tithi, nakshatra and yoga shuddhi explained without mystification — what actually makes a date suitable for a wedding, a griha pravesh, a vehicle purchase or a namakaranam, and when to stop optimising.
Muhurta is the branch of the tradition concerned with choosing when to begin something. It has a reputation for being impenetrable, and the reputation is partly earned — a full wedding muhurta considers a dozen factors and the horoscopes of two people. But the everyday version, the one a family uses to pick a day for a housewarming or to register a vehicle, rests on four checks that anyone can make from a panchangam.
This piece sets out those four, says which ones matter for which occasion, and — because it is the more useful advice — says where to stop.
The four shuddhis
Shuddhi means purity or fitness. The four are simply the four limbs of the panchangam being checked for suitability, one at a time.
1. Tithi shuddhi
The thirty tithis fall into five repeating groups of three, and the group tells you what the day suits.
| Group | Tithis | Suits |
|---|---|---|
| Nanda — joyful | 1, 6, 11 | Celebration, art, auspicious openings |
| Bhadra — auspicious | 2, 7, 12 | Building, trade, study, household work |
| Jaya — victorious | 3, 8, 13 | Contest, litigation, examinations, anything needing nerve |
| Rikta — empty | 4, 9, 14 | Clearing, demolition, settling debts, medical treatment |
| Purna — full | 5, 10, 15 | Completion, ceremony, journeys, charity |
The rikta tithis are the ones traditionally avoided for beginnings — the fourth, ninth and fourteenth of each fortnight. Amavasya is avoided for anything new. Beyond that, most families check only that a date is not rikta rather than hunting for a nanda tithi.
2. Nakshatra shuddhi
Each of the twenty-seven nakshatras carries a classification that muhurta reads directly.
| Nature | Nakshatras | Suits |
|---|---|---|
| Sthira — fixed | Rohini, Uttara Phalguni, Uttara Ashadha, Uttara Bhadrapada | Foundations, marriage, anything meant to last |
| Mridu — tender | Mrigashira, Chitra, Anuradha, Revati | Art, friendship, gentle beginnings, travel |
| Kshipra — swift | Ashwini, Pushya, Hasta | Trade, medicine, craft, short tasks |
| Chara — movable | Punarvasu, Swati, Shravana, Dhanishta, Shatabhisha | Travel, vehicles, relocation |
| Ugra — fierce | Bharani, Magha, the three Purvas | Demolition, confrontation; avoided for beginnings |
| Tikshna — sharp | Ardra, Ashlesha, Jyeshtha, Mula | Surgery, research; avoided for beginnings |
| Mishra — mixed | Krittika, Vishakha | Fire-related work; used with care |
3. Vaara shuddhi
The weekday carries the character of its planetary lord, and it also decides where rahu kalam, yamagandam and gulika kalam fall. Thursday and Friday are the general favourites; Tuesday and Saturday are approached with more caution for gentle undertakings; Monday and Wednesday are broadly neutral and workmanlike.
4. Yoga and karana shuddhi
Four of the twenty-seven yogas — Vyatipata, Vaidhriti, Parigha and Vishkambha — are avoided, and a handful including Siddha, Amrita and Sarvartha Siddhi are actively sought. Among the karanas, only Vishti (Bhadra) is widely avoided. In practice these two are the last things checked, and usually only when the first three have left several candidate dates.
Then the hour, not just the day
A good day still contains bad hours. Two checks, both derivable from sunrise and sunset:
- Avoid rahu kalam, yamagandam and gulika kalam — each an eighth of the daylight period, assigned by weekday.
- Prefer abhijit muhurta, the roughly forty-eight minutes centred on solar noon, which is treated as favourable for almost anything. It is not taken on Wednesdays.
What matters for which occasion
| Occasion | Weight given to |
|---|---|
| Vivah (marriage) | Full muhurta with both horoscopes; sthira nakshatras; avoid Chaturmasya and the sun in Dhanus or Meena |
| Griha pravesh | Sthira nakshatra, bhadra or purna tithi, Thursday or Friday; avoid Chaturmasya |
| Vehicle purchase | Chara nakshatra, avoid rikta tithi and rahu kalam; Ashwini and Pushya are classic choices |
| Property registration | Bhadra tithi, sthira nakshatra, avoid rikta and amavasya |
| Namakaranam | Usually the 11th or 12th day after birth; the child's own nakshatra governs the name syllable |
| Annaprasana | Even month for a girl, odd for a boy in most practice; mridu or kshipra nakshatra |
| Upanayanam | Uttarayana period, sthira or mridu nakshatra, full muhurta usually taken from a purohit |
| Starting a business | Pushya nakshatra above all; bhadra or jaya tithi; avoid rahu kalam for the first transaction |
The two windows the calendar closes
Two periods stop most auspicious beginnings across large parts of India, and knowing them saves a great deal of fruitless searching.
- Chaturmasya — the four months from Devshayani Ekadashi in Ashadha to Prabodhini Ekadashi in Kartika, during which Vishnu is said to rest. Weddings and housewarmings are generally not held.
- Dakshinayana and the malamasa periods — the sun's passage through Dhanus (roughly mid-December to mid-January) and Meena (mid-March to mid-April) are avoided for marriage in most traditions.
Where to stop
It is possible to keep refining a muhurta until no date in the year qualifies. Every date fails something: there are twenty-seven nakshatras and only nine are unambiguously favourable, three of every fifteen tithis are rikta, and four yogas are excluded outright. Optimise hard enough and you will optimise your way into never doing the thing.
The traditional answer to this is a principle rather than a formula: a muhurta is chosen to begin well, not to guarantee an outcome. Classical texts say directly that Pushya nakshatra needs no further muhurta, and that abhijit muhurta serves when nothing better can be found — both of which are the tradition telling you that a workable answer always exists.
For a wedding or an upanayanam, take a proper muhurta from a purohit who has both horoscopes; there are factors there this article does not cover and should not pretend to. For a vehicle, a registration, a new venture or a housewarming, the four shuddhis plus avoiding rahu kalam is what most families actually do, and it is enough.
What is shubh muhurat?
An auspicious window chosen to begin something. It is arrived at by checking the tithi, nakshatra, weekday and yoga for suitability, then avoiding the inauspicious hours within the chosen day.
Which tithis should be avoided?
The rikta tithis — the fourth, ninth and fourteenth of each fortnight — are avoided for beginnings, along with amavasya. They are not bad days; they suit clearing, concluding and medical treatment.
Which nakshatras are best for a housewarming?
The sthira (fixed) nakshatras — Rohini, Uttara Phalguni, Uttara Ashadha and Uttara Bhadrapada — since they favour what is meant to last. Mridu nakshatras are the usual second choice.
Do I need a purohit to choose a date?
For a wedding or upanayanam, yes — those need both horoscopes and factors beyond the panchangam. For a vehicle, a registration or a new venture, the four shuddhis plus avoiding rahu kalam is what most families do themselves.
What is Chaturmasya and why does it matter?
The four months from Devshayani Ekadashi to Prabodhini Ekadashi, during which Vishnu is said to rest. Weddings and housewarmings are generally not held in it, which removes about a third of the year from consideration.
Is there a day that is always auspicious?
Pushya nakshatra comes closest — classical texts say an act begun under it needs no further muhurta, with marriage the traditional exception. Abhijit muhurta serves as the daily fallback when no better window can be found.
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Every timing referenced in these guides is computed astronomically for the city you select and cross-referenced against the traditional panchangams in common use. How we compute