1. Bhaktapur, also known as Bhadgaon, is a UNESCO World Heritage Site located in the Kathmandu Valley of Nepal. It is one of the three royal cities in the valley, alongside Kathmandu and Patan. Bhaktapur is known for its rich history, culture, and well-preserved ancient architecture.

The city is filled with temples, palaces, and traditional Newari houses. It is famous for its intricate woodcarvings, pottery, and thangka paintings. Bhaktapur is often referred to as the \"City of Devotees\" due to its many temples and religious festivals. The city’s Durbar Square is a major attraction, featuring the impressive 55-window Palace, the Golden Gate, and the Nyatapola Temple.

2. The working time of Bhaktapur varies depending on the sites and attractions within the city. Generally, the main tourist sites are open from 9:00 am to 5:00 pm. It is advisable to check the specific opening hours of the attractions you plan to visit. Unfortunately, I don’t have access to the specific phone numbers of the attractions in Bhaktapur.

3. To visit Bhaktapur, you need to buy a ticket. The entry fee for foreigners is USD 15, and for SAARC countries, it is USD 5. You can purchase the ticket at the entrance of the city or at the Tourism Information Center. Bhaktapur is easily accessible from Kathmandu by public bus or taxi. The journey takes around 30 minutes to an hour, depending on traffic.