| Village | Thumbai |
| Block | Cheyyar |
| 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 | 8 minutes |
| Latitude | 13.0938995 |
| Longitude | 80.292356 |
Thumbai is a village panchayat located in the Tiruvannamalai district of Tamil-Nadu state,India. The latitude 13.0938995 and longitude 80.292356 are the geocoordinate of the Thumbai.
The native language of Thumbai is Tamil and most of the village people speak Tamil. Thumbai people use Tamil language for communication.
Thumbai village is located in the UTC 5.30 time zone and it follows indian standard time(IST). Thumbai sun rise time varies 8 minutes from IST. The vehicle driving side in Thumbai is left, all vehicles should take left side during driving. Thumbai people are using its national currency which is Indian Rupee and its internationl currency code is INR. Thumbai phones and mobiles can be accesed by adding the indian country dialing code +91 from abroad. Thumbai people are following the dd/mm/yyyy date format in day-to-day life. Thumbai domain name extension( cTLD) is .in .