What is the definition of Mariners Schedule?

The 'ariners schedule' is like a cosmic clockwork of the sea, dictating when sailors set sail and return, with their lives hanging precariously by a thread of moon phases and the whims of the ocean. Imagine this, though, in an edgy example: "The mariner's schedule was so packed with sunrise vigils and midnight sea battles, he might as well have been a pirate in disguise, navigating the seas of his own sleeplessness."