| Village | Hathgai |
| Block | Barharia |
| District | Siwan |
| 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 | -9 minutes |
| Latitude | 26.1793955 |
| Longitude | 84.628458 |
Hathgai is a village panchayat located in the Siwan district of Bihar state,India. The latitude 26.1793955 and longitude 84.628458 are the geocoordinate of the Hathgai.
The surrounding nearby villages and its distance from Hathgai are Barharia , Rampur , Sikanderpur , Dindyalpur , Pakari , Chauki Hasan , Lakari , Bhaluara , Hardobara , Rasulpur , Hariharpur Lalgarh , Balapur , Bahadurpur , Bahuara Kadir , Sadarpur , Sunderpur , Koerigawan , Tetahali , Madhopur , Lakari Dargah , Bhopatpur , Kurwan , Nawalpur , Aurae , Bhamopali , Kailgarh Uttar , Kaligarh Dakhin , Padarauna Khurd , Rachopali .
The native language of Hathgai is Hindi,Urdu and most of the village people speak Hindi,Urdu. Hathgai people use Hindi,Urdu language for communication.
Hathgai village is located in the UTC 5.30 time zone and it follows indian standard time(IST). Hathgai sun rise time varies -9 minutes from IST. The vehicle driving side in Hathgai is left, all vehicles should take left side during driving. Hathgai people are using its national currency which is Indian Rupee and its internationl currency code is INR. Hathgai phones and mobiles can be accesed by adding the indian country dialing code +91 from abroad. Hathgai people are following the dd/mm/yyyy date format in day-to-day life. Hathgai domain name extension( cTLD) is .in .