| Village | Dema |
| Block | Parsauni |
| District | Sitamarhi |
| State | Bihar |
| 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 | Hindi,Urdu |
| Time difference | -11 minutes |
| Latitude | 25.31419 |
| Longitude | 85.083192 |
Dema is a village panchayat located in the Sitamarhi district of Bihar state,India. The latitude 25.31419 and longitude 85.083192 are the geocoordinate of the Dema.
The surrounding nearby villages and its distance from Dema are Parsurampur , Gisara , Parsauni Khirodhar , Madanpur , Parsauni , Kathaur , Parsauni Mailwar .
The native language of Dema is Hindi,Urdu and most of the village people speak Hindi,Urdu. Dema people use Hindi,Urdu language for communication.
Dema village is located in the UTC 5.30 time zone and it follows indian standard time(IST). Dema sun rise time varies -11 minutes from IST. The vehicle driving side in Dema is left, all vehicles should take left side during driving. Dema people are using its national currency which is Indian Rupee and its internationl currency code is INR. Dema phones and mobiles can be accesed by adding the indian country dialing code +91 from abroad. Dema people are following the dd/mm/yyyy date format in day-to-day life. Dema domain name extension( cTLD) is .in .