| Village | Kolhasar |
| Block | Katoria |
| District | Banka |
| 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 | -18 minutes |
| Latitude | 24.88 |
| Longitude | 86.92 |
Kolhasar is a village panchayat located in the Banka district of Bihar state,India. The latitude 24.88 and longitude 86.92 are the geocoordinate of the Kolhasar.
The surrounding nearby villages and its distance from Kolhasar are Jamdaha , Ghormara , Lakrama , Dewasi , Damodara , Katoria , Kathoun , Maniya , Badwasni , Basmatta , Bhorsar Bhelwa , Hardhar , Jaipur , Katiyari , Mothawari .
The native language of Kolhasar is Hindi,Urdu and most of the village people speak Hindi,Urdu. Kolhasar people use Hindi,Urdu language for communication.
Kolhasar village is located in the UTC 5.30 time zone and it follows indian standard time(IST). Kolhasar sun rise time varies -18 minutes from IST. The vehicle driving side in Kolhasar is left, all vehicles should take left side during driving. Kolhasar people are using its national currency which is Indian Rupee and its internationl currency code is INR. Kolhasar phones and mobiles can be accesed by adding the indian country dialing code +91 from abroad. Kolhasar people are following the dd/mm/yyyy date format in day-to-day life. Kolhasar domain name extension( cTLD) is .in .