SELECT date_trunc('day', tasks_start at TIME ZONE 'EST')
Note: I have not tried this statement
Is this something you are going to use often? If that is the case then consider to re-model your query. The moment you use an expression on a column it would not use a normal BTree index.
Hmm... I see....
select date_trunc('day', TIMESTAMP '2016-08-10') FROM tasks
And I get:
2016-08-10 00:00:00
I actually need just the date 2016-08-10, without 00:00:00...