| Village | Punnai |
| Block | Vembakkam |
| District | Tiruvannamalai |
| State | Tamil Nadu |
| Country | India |
| Continent | Asia |
| Time Zone | IST ( UTC + 05:30) |
| Currency | Indian Rupee ( INR ) |
| Dialing Code | +91 |
| Date format | dd/mm/yyyy |
| Driving side | left |
| Internet cTLD | in |
| Language | Tamil |
| Time difference | 11 minutes |
| Latitude | 12.4606937 |
| Longitude | 79.6537757 |
Punnai is a village panchayat located in the Tiruvannamalai district of Tamil-Nadu state,India. The latitude 12.4606937 and longitude 79.6537757 are the geocoordinate of the Punnai.
The surrounding nearby villages and its distance from Punnai are Pavoor , Karanthai , Umaiyalpuram , Brammadesam , Perungattur , Vayalathur , Arasanipalai , Chithathur , Poonaithangal , Thenkazhani , Moranam , Dusi , Rantham , Namandi , Vembakkam , Azhividaithangi , Irumaram , Vengalathur , Moonjurpattu , Natteri , Sattuvanthangal , Kuthanur , Sirunavalpattu , Abdullapuram , Pallavaram , Arasankuppam , Ariyur , Mamandur , Mathur , Menallur , Nemili , Pudupalayam , Pulivalam , Sirunallur , Azhinjalpattu , Cheyyanur , Elacheri , Hariyarapakkam , Hasanamapettai , Kaganam , Kizhnaickenpalayam , Kizhnelli , Kodaiyambakkam , Kundiyanthandalam , Maangal , Narasamangalam , Panamugai , Perunmanthangal , Pillanthangal , Pullavakkam , Siruvanjipattu , Sothiyampakkam , Sozhavaram , Sumangali , Suruttal , Thennampattu , Thiruppanamur , Thiruppanangadu , Ukkamperumpakkam , Vadakalpakkam , Vadalluppai , Vadamanapakkam , Vellaikulam .
The native language of Punnai is Tamil and most of the village people speak Tamil. Punnai people use Tamil language for communication.
Punnai village is located in the UTC 5.30 time zone and it follows indian standard time(IST). Punnai sun rise time varies 11 minutes from IST. The vehicle driving side in Punnai is left, all vehicles should take left side during driving. Punnai people are using its national currency which is Indian Rupee and its internationl currency code is INR. Punnai phones and mobiles can be accesed by adding the indian country dialing code +91 from abroad. Punnai people are following the dd/mm/yyyy date format in day-to-day life. Punnai domain name extension( cTLD) is .in .