| Village | Jonka |
| Block | Jarmundi |
| District | Dumka |
| 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 | -20 minutes |
| Latitude | 24.2739595 |
| Longitude | 87.2516156 |
Jonka is a village panchayat located in the Dumka district of Jharkhand state,India. The latitude 24.2739595 and longitude 87.2516156 are the geocoordinate of the Jonka.
The surrounding nearby villages and its distance from Jonka are Bhalki , Haripur Bazar , Barmasia , Jhanakpur , Putlidabar , Kushmaha , Chamarabahiyar , Jarmundi , Pahridih , Chorkheda , Banwara , Kharbila , Kala Dumaria , Shankarpur , Sahara , Tetria , Singhni , Barmasa , Nonihat , Bohrabad , Garda Amarkunda , Hathnama , Kusmaha Chiknia , Petsar , Raikinari , Rajasimaria , Thekcha Ghongha .
The native language of Jonka is Hindi,Santali, Bengali and most of the village people speak Hindi,Santali, Bengali. Jonka people use Hindi,Santali, Bengali language for communication.
Jonka village is located in the UTC 5.30 time zone and it follows indian standard time(IST). Jonka sun rise time varies -20 minutes from IST. The vehicle driving side in Jonka is left, all vehicles should take left side during driving. Jonka people are using its national currency which is Indian Rupee and its internationl currency code is INR. Jonka phones and mobiles can be accesed by adding the indian country dialing code +91 from abroad. Jonka people are following the dd/mm/yyyy date format in day-to-day life. Jonka domain name extension( cTLD) is .in .