| Village | Dergaun |
| Block | Dawath |
| District | Rohtas |
| 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 | 25.62 |
| Longitude | 85.13 |
Dergaun is a village panchayat located in the Rohtas district of Bihar state,India. The latitude 25.62 and longitude 85.13 are the geocoordinate of the Dergaun.
The surrounding nearby villages and its distance from Dergaun are Dawath , Itwan , Babhnaul , Gidha , Jamsona , Sahi Naun , Semari , Usari .
The native language of Dergaun is Hindi,Urdu and most of the village people speak Hindi,Urdu. Dergaun people use Hindi,Urdu language for communication.
Dergaun village is located in the UTC 5.30 time zone and it follows indian standard time(IST). Dergaun sun rise time varies -11 minutes from IST. The vehicle driving side in Dergaun is left, all vehicles should take left side during driving. Dergaun people are using its national currency which is Indian Rupee and its internationl currency code is INR. Dergaun phones and mobiles can be accesed by adding the indian country dialing code +91 from abroad. Dergaun people are following the dd/mm/yyyy date format in day-to-day life. Dergaun domain name extension( cTLD) is .in .