| Village | Dumaki |
| Block | Thethaitanger |
| District | Simdega |
| 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 |
Dumaki is a village panchayat located in the Simdega district of Jharkhand state,India. The latitude 23.36 and longitude 85.33 are the geocoordinate of the Dumaki.
The surrounding nearby villages and its distance from Dumaki are Rajabasa , Baghchatta , Bombalkera , Ghutbahar , Joram , Kerya , Konmenjara , Konpala , Koromiyan , Meromdega , Paikpara , Taraboga , Thethaitanger , Tukupani .
The native language of Dumaki is Hindi,Santali, Bengali and most of the village people speak Hindi,Santali, Bengali. Dumaki people use Hindi,Santali, Bengali language for communication.
Dumaki village is located in the UTC 5.30 time zone and it follows indian standard time(IST). Dumaki sun rise time varies -12 minutes from IST. The vehicle driving side in Dumaki is left, all vehicles should take left side during driving. Dumaki people are using its national currency which is Indian Rupee and its internationl currency code is INR. Dumaki phones and mobiles can be accesed by adding the indian country dialing code +91 from abroad. Dumaki people are following the dd/mm/yyyy date format in day-to-day life. Dumaki domain name extension( cTLD) is .in .