Trains operate weekdays between Jamaica Center (Parsons/Archer), Queens, and Broad St, Manhattan at all times. During weekdays, Trains going to Manhattan run express in Brooklyn between Myrtle Av and Marcy Av from about 7 AM to 1 PM and from Manhattan from 1:30 PM and 8 PM. During weekday rush hours, trains provide skip-stop service. Skip-stop service means that some stations are served by J trains, some stations are served by the Z trains, and some stations are served by both J and Z trains. J/Z skip-stop service runs towards Manhattan from about 7 AM to 8:15 AM and from Manhattan from about 4:30 PM to 5:45 PM.