Free Vastu tools
Vastu Naal - Vastu Days and Times
Vastu Bhagavan wakes on 8 days a year - Chithirai 10, Vaigasi 21, Aadi 11, Aavani 6, Aippasi 11, Karthigai 8, Thai 12 and Masi 22. These are the best times for bhoomi pooja, laying the foundation or buying land.
Next Vastu day
Aippasi 11 · Wednesday, 28 October 2026
Auspicious time: 07:44 - 08:20
| Tamil date | Date | Time |
|---|---|---|
| Thai 12 | Monday, 26 January 2026 | 10:41 - 11:17 |
| Masi 22 | Friday, 6 March 2026 | 10:32 - 11:08 |
| Chithirai 10 | Thursday, 23 April 2026 | 08:54 - 09:30 |
| Vaigasi 21 | Thursday, 4 June 2026 | 09:58 - 10:34 |
| Aadi 11 | Monday, 27 July 2026 | 07:44 - 08:20 |
| Aavani 6 | Sunday, 23 August 2026 | 07:23 - 07:59 |
| Aippasi 11 | Wednesday, 28 October 2026 | 07:44 - 08:20 |
| Karthigai 8 | Tuesday, 24 November 2026 | 11:29 - 12:05 |
Times can shift by a few minutes with your town - confirm with your panchangam.
Get a Vastu-compliant floor plan designed for your plot
CAT AI designs the plan to Tamil Nadu rules, checks it against Vastu and fixes what is off - then structural, architectural, electrical and plumbing drawings, a 3D view and the BOQ.
More free Vastu tools
Room Direction Checker
Score each room by its direction - kitchen in Agni moolai, master bedroom in Kanni moolai, pooja in Eesanyam - with remedies.
Manaiyadi Calculator
Good and bad lengths in feet by Manaiyadi Sastram - for the house and every room.
Main Door (Thalaivasal) Checker
Is your main door in uchcham or neecham? Find the right half of each side for the thalaivasal.
Vastu Compass on Your Plan
Upload a plan, turn it to north and see the 8 directions, the four moolai, Brahmasthanam and uchcham / neecham on it.
Ayadi Calculator
Aya, Vyaya, Yoni, Nakshatra, Vara and Tithi from the length and breadth (Mayamata).
Vastu Shastra is traditional guidance; these tools follow commonly used rules in Tamil Nadu. They do not replace your engineer, sthapathi or the local building rules.