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