| Village | Ulundai |
| Block | Vandavasi |
| 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 | 12.476889 |
| Longitude | 79.745894 |
Ulundai is a village panchayat located in the Tiruvannamalai district of Tamil-Nadu state,India. The latitude 12.476889 and longitude 79.745894 are the geocoordinate of the Ulundai.
The native language of Ulundai is Tamil and most of the village people speak Tamil. Ulundai people use Tamil language for communication.
Ulundai village is located in the UTC 5.30 time zone and it follows indian standard time(IST). Ulundai sun rise time varies 11 minutes from IST. The vehicle driving side in Ulundai is left, all vehicles should take left side during driving. Ulundai people are using its national currency which is Indian Rupee and its internationl currency code is INR. Ulundai phones and mobiles can be accesed by adding the indian country dialing code +91 from abroad. Ulundai people are following the dd/mm/yyyy date format in day-to-day life. Ulundai domain name extension( cTLD) is .in .