| Village | Tiyar |
| Block | Darauli |
| 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 | -8 minutes |
| Latitude | 25.5321557 |
| Longitude | 84.3399999 |
Tiyar is a village panchayat located in the Siwan district of Bihar state,India. The latitude 25.5321557 and longitude 84.3399999 are the geocoordinate of the Tiyar.
The surrounding nearby villages and its distance from Tiyar are Amarpur , Harnatar , Kumti Bhitauli , Don Bujurg , Sarna , Daraili Mathia , Chakari , Karom , Sarharwa , Belaon , Balahun , Darauli , Dumrahar Bujurg , Kashila Pachhbenia , Krishnapali .
The native language of Tiyar is Hindi,Urdu and most of the village people speak Hindi,Urdu. Tiyar people use Hindi,Urdu language for communication.
Tiyar village is located in the UTC 5.30 time zone and it follows indian standard time(IST). Tiyar sun rise time varies -8 minutes from IST. The vehicle driving side in Tiyar is left, all vehicles should take left side during driving. Tiyar people are using its national currency which is Indian Rupee and its internationl currency code is INR. Tiyar phones and mobiles can be accesed by adding the indian country dialing code +91 from abroad. Tiyar people are following the dd/mm/yyyy date format in day-to-day life. Tiyar domain name extension( cTLD) is .in .