| Village | Kobja |
| Block | Raidih |
| District | Gumla |
| State | Jharkhand |
| 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,Santali, Bengali |
| Time difference | -12 minutes |
| Latitude | 23.36 |
| Longitude | 85.33 |
Kobja is a village panchayat located in the Gumla district of Jharkhand state,India. The latitude 23.36 and longitude 85.33 are the geocoordinate of the Kobja.
The surrounding nearby villages and its distance from Kobja are Jarjatta , Kansir , Kemta , Kondra , Koro Chhatarpur , Nawagarh , Parsa , Pibo , Raidih , Sikoi , Silam , Sursang , Upper Khatanga .
The native language of Kobja is Hindi,Santali, Bengali and most of the village people speak Hindi,Santali, Bengali. Kobja people use Hindi,Santali, Bengali language for communication.
Kobja village is located in the UTC 5.30 time zone and it follows indian standard time(IST). Kobja sun rise time varies -12 minutes from IST. The vehicle driving side in Kobja is left, all vehicles should take left side during driving. Kobja people are using its national currency which is Indian Rupee and its internationl currency code is INR. Kobja phones and mobiles can be accesed by adding the indian country dialing code +91 from abroad. Kobja people are following the dd/mm/yyyy date format in day-to-day life. Kobja domain name extension( cTLD) is .in .