Here is some route/timings information about ferries run by ASDP at the East end of Nusa Tenggara, Indonesia:
The last five rows show the time of day for the departure, but not which day of the week(!) That is how it was in the source data, I’m afraid.
Note that, in reality, there can be a lot of variation from the intended schedules depending on tides, weather, etc.
Info correct at 2016 (to the best of my knowledge!). If you have better information, please post in the comments at the bottom of the page and I’ll update it here.
Added Nov 2016 Last updated Nov 2016