| Village | Koili Simra ( West) |
| Block | Rupouli |
| District | Purnia |
| 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 | -20 minutes |
| Latitude | 25.49 |
| Longitude | 87.31 |
Koili Simra ( West) is a village panchayat located in the Purnia district of Bihar state,India. The latitude 25.49 and longitude 87.31 are the geocoordinate of the Koili Simra ( West).
The surrounding nearby villages and its distance from Koili Simra ( West) are Basant Pur , Kanp , Bhikhana , Dobha Milik , Dhusar - Tikapatti , Goriar ( East) , Dhobgidha - Rupauli , Bhauwa Parbal , Bijay Lal Ganj , Goriar ( West) , Goriarpatti Srimatta , Koilisimra ( East) , Lachhmipur Girdhar , Laxmipur Charapatti , Mataili Khemchandra , Nath Pur , Ram Pur Parihat , Rupouli , Singhpur Deera , Vijay Mohanpur .
The native language of Koili Simra ( West) is Hindi,Urdu and most of the village people speak Hindi,Urdu. Koili Simra ( West) people use Hindi,Urdu language for communication.
Koili Simra ( West) village is located in the UTC 5.30 time zone and it follows indian standard time(IST). Koili Simra ( West) sun rise time varies -20 minutes from IST. The vehicle driving side in Koili Simra ( West) is left, all vehicles should take left side during driving. Koili Simra ( West) people are using its national currency which is Indian Rupee and its internationl currency code is INR. Koili Simra ( West) phones and mobiles can be accesed by adding the indian country dialing code +91 from abroad. Koili Simra ( West) people are following the dd/mm/yyyy date format in day-to-day life. Koili Simra ( West) domain name extension( cTLD) is .in .