| Village | Riga First |
| Block | Riga |
| District | Sitamarhi |
| 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 | -12 minutes |
| Latitude | 26.59612 |
| Longitude | 85.4998112 |
Riga First is a village panchayat located in the Sitamarhi district of Bihar state,India. The latitude 26.59612 and longitude 85.4998112 are the geocoordinate of the Riga First.
The surrounding nearby villages and its distance from Riga First are Bhagwanpur , Rewasi , Riga , Sirahi , Kusumari , Posua Patania , Bulakipur , Sahbajpur , Anahari , Bhawdepur , Ganeshpur Babhangama , Mehasia , Pakri Mathwa , Riga Second , Sirauli First , Sirauli Second .
The native language of Riga First is Hindi,Urdu and most of the village people speak Hindi,Urdu. Riga First people use Hindi,Urdu language for communication.
Riga First village is located in the UTC 5.30 time zone and it follows indian standard time(IST). Riga First sun rise time varies -12 minutes from IST. The vehicle driving side in Riga First is left, all vehicles should take left side during driving. Riga First people are using its national currency which is Indian Rupee and its internationl currency code is INR. Riga First phones and mobiles can be accesed by adding the indian country dialing code +91 from abroad. Riga First people are following the dd/mm/yyyy date format in day-to-day life. Riga First domain name extension( cTLD) is .in .