| Village | Semthanur |
| Block | Koliyanur |
| 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 |
Semthanur 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 Semthanur.
The surrounding nearby villages and its distance from Semthanur are Arasamangalam , Pidagam , Koliyanur , Panampattu , Nannadu , Kallapattu , Poyyapakkam , Ayyankoilpattu , Veliyampakkam , Kavanipakkam , Alathur , Anangoor , Elangadu , Kappur , Kolathur , Melpathi , Naraiyur , Pillur , Sathipattu , Sengadu , Ariyalur .v , Asarankuppam , Athiyurthiruvathi , Chozhampoondi , Chozhanganur , Dhalavanur , Erumananthangal , Ka.kuppam , Kandamanadi , Kandampakkam , Kondgangi , Maragathapuram , Mazhavarayanur , Mettupalayam .s , Panankuppam , Sagadevanpettai , Salaiagaram , Salaiyampalayam , Salamedu , Thanamadevi , Thenkuchipalayam , Thirupachanur , Thiruvamathur , Thodarndhanur , Thokaipadi , Vazhudhareddi , Virattikuppam .
The native language of Semthanur is Tamil and most of the village people speak Tamil. Semthanur people use Tamil language for communication.
Semthanur village is located in the UTC 5.30 time zone and it follows indian standard time(IST). Semthanur sun rise time varies 8 minutes from IST. The vehicle driving side in Semthanur is left, all vehicles should take left side during driving. Semthanur people are using its national currency which is Indian Rupee and its internationl currency code is INR. Semthanur phones and mobiles can be accesed by adding the indian country dialing code +91 from abroad. Semthanur people are following the dd/mm/yyyy date format in day-to-day life. Semthanur domain name extension( cTLD) is .in .