| Village | Rerwa |
| Block | Sisai |
| 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 |
Rerwa 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 Rerwa.
The surrounding nearby villages and its distance from Rerwa are Murgu , Bargaon , Bartoli Bargaon , Bhadauli , Bhurso , Bondo , Chharda , Ghaghra , Kudra , Lakeya , Larango , Nagar , Olmunda , Pandariya , Puso , Shivrajpur , Sisai .
The native language of Rerwa is Hindi,Santali, Bengali and most of the village people speak Hindi,Santali, Bengali. Rerwa people use Hindi,Santali, Bengali language for communication.
Rerwa village is located in the UTC 5.30 time zone and it follows indian standard time(IST). Rerwa sun rise time varies -12 minutes from IST. The vehicle driving side in Rerwa is left, all vehicles should take left side during driving. Rerwa people are using its national currency which is Indian Rupee and its internationl currency code is INR. Rerwa phones and mobiles can be accesed by adding the indian country dialing code +91 from abroad. Rerwa people are following the dd/mm/yyyy date format in day-to-day life. Rerwa domain name extension( cTLD) is .in .