1. The Kuching Old Courthouse is a historic building located in Kuching, Sarawak, Malaysia. It was built in 1871 during the reign of the Second White Rajah, Charles Brooke, and served as a courthouse until 1973. The building is a fine example of colonial architecture, with a combination of English Renaissance and local Malay design elements. Today, the Old Courthouse has been restored and houses the Sarawak Tourism Complex, which includes a visitor information center, souvenir shops, and a cafe. The building also serves as a venue for various events and performances.

2. The working hours of the Kuching Old Courthouse may vary, but generally the Sarawak Tourism Complex is open daily from 9 am to 6 pm. For the most up-to-date information on working hours and any events happening at the Old Courthouse, you can contact them at the following phone number: +60 82-410 932.

3. As of my knowledge, there is no entrance fee to visit the Kuching Old Courthouse itself. However, there may be charges for certain events or exhibitions held at the venue. The Old Courthouse is conveniently located in the heart of Kuching city, so transportation options are abundant. Visitors can easily reach the Old Courthouse by taxi, Grab car, or on foot if they are staying nearby.