longlines are set during the night, with night being defined as the period between nautical dusk/dawn as referenced in the nautical dusk/dawn almanac for the geographical position of fishing; and
cuirtear amach spiléir san oíche, agus déantar an oíche a shainmhíniú mar an tréimhse idir coineascar muirí agus camhaoir mhuirí dá dtagraítear san almanag loingseoireachta le haghaidh an limistéir iascaireachta i gceist; agus