| Village | Kathaulia |
| Block | Bidupur |
| District | Vaishali |
| 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 | -11 minutes |
| Latitude | 25.62 |
| Longitude | 85.13 |
Kathaulia is a village panchayat located in the Vaishali district of Bihar state,India. The latitude 25.62 and longitude 85.13 are the geocoordinate of the Kathaulia.
The surrounding nearby villages and its distance from Kathaulia are Bidupur , Rahimapur , Kanchanpur , Majhauli , Amer , Bajitpur Saidat , Chakath Kursi Kushiyari , Chaksikandar ( Kalyanpur) , Chechar , Daud Nagar , Dilawarpur Gobardhan , Jurawanpur , Khanpur Pakri , Khilwat , Kutubpur , Maile , Majlispur , Mathura , Nawanagar , Rajasan , Saidpur Ganesh , Shahdullahpur , Sitalpur Kamalpur .
The native language of Kathaulia is Hindi,Urdu and most of the village people speak Hindi,Urdu. Kathaulia people use Hindi,Urdu language for communication.
Kathaulia village is located in the UTC 5.30 time zone and it follows indian standard time(IST). Kathaulia sun rise time varies -11 minutes from IST. The vehicle driving side in Kathaulia is left, all vehicles should take left side during driving. Kathaulia people are using its national currency which is Indian Rupee and its internationl currency code is INR. Kathaulia phones and mobiles can be accesed by adding the indian country dialing code +91 from abroad. Kathaulia people are following the dd/mm/yyyy date format in day-to-day life. Kathaulia domain name extension( cTLD) is .in .