The last train will depart (from) here at 11:41 p.m. (OK)
The us(ag)e of 'will' refers to certainty.
Future simple: I will go. (a future certainty)
Future progressive: I am going to go. (a future plan)
Present simple: I go. (a known routine; a fact)
The last train departs (from) here at 11:41 p.m. (OK, too)
More like, they are certain of its future departure. The use of the Present simple is also fine, yet in terms of how cultures, specifically Asian view punctuality, the Future simple is the better choice.If “will depart” is used, may one suspect the punctuality of the train services?
For example, in Japan trains are punctual; You can set your watch by the train's arrival and departure time. If the Japanese train company were to use "The last train departs...", the Present simple, it implies a known fact. Now, if the train is late, the company looses face. If however the company modifies the statement to "The train will depart..." then if the train is late, it's late, because no one can predict the what's going to happen in the future. The train company saves face by using the Future simple.
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