| Village | Harnaroi |
| Block | Barsoi |
| District | Katihar |
| 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 | -21 minutes |
| Latitude | 25.55 |
| Longitude | 87.57 |
Harnaroi is a village panchayat located in the Katihar district of Bihar state,India. The latitude 25.55 and longitude 87.57 are the geocoordinate of the Harnaroi.
The surrounding nearby villages and its distance from Harnaroi are Karnpur , Barsoi , Dharmpur , Bhawanipur , Baltar , Chapakhor , Nalsar , Abadpur , Bighor Hat , Lagua , Eksalla , Bansgaon , Sultanpur , Kamraul , Shikarpur , Kadamgachhi , Chandpara , Raghunathpur , Basalgaon , Belwa Dangi , Lahgaria , Sudhani , Belwa , Chaundi , Kandhela Patol , Lagua Dasgram , Maheshpur , Maulna Pur , Shivanandpur .
The native language of Harnaroi is Hindi,Urdu and most of the village people speak Hindi,Urdu. Harnaroi people use Hindi,Urdu language for communication.
Harnaroi village is located in the UTC 5.30 time zone and it follows indian standard time(IST). Harnaroi sun rise time varies -21 minutes from IST. The vehicle driving side in Harnaroi is left, all vehicles should take left side during driving. Harnaroi people are using its national currency which is Indian Rupee and its internationl currency code is INR. Harnaroi phones and mobiles can be accesed by adding the indian country dialing code +91 from abroad. Harnaroi people are following the dd/mm/yyyy date format in day-to-day life. Harnaroi domain name extension( cTLD) is .in .