select now() > current_date
      
select now() - now() > interval '-1 seconds'
      
select now() - now() < interval '1 seconds'
      
select now() - now() = interval '0 milliseconds'
      
select time_bucket('1 day', now()) is not null
      
select time_bucket('1 day', now())
     - time_bucket('1 day', now()) >
        interval '-1 seconds'
      
select date_trunc('day', now()) = current_date