But it could also be used to reach the eastern islands of Bali, Lombok, Timor, etc.13 Voyaging during the eastern monsoon is easier and safer than in the western monsoon.
Ships propelled by steam and/or engines have no problem with this monsoon. In the nineteenth century, the voyage by steamship from Batavia to Semarang took 36 h by calling at the port of Cirebon and Pekalongan