The channel was originally known as Noggin from its February 2, 1999 launch until September 28, 2009. Sister channel The N was relaunched as TeenNick at the same time and date as Noggin's relaunch as Nick Jr. As with TeenNick, Nick Jr. 's name was taken from a former program block on parent channel Nickelodeon, which aired weekday mornings from 1988 to 2009 under the Nick Jr. name, and still survives today on Nickelodeon as a block with the same name as of 2014 (which currently airs weekdays from 8:00 a. m. to 3:00 p. m. ET/PT. ) ( The hours may vary during the summer months, other school break periods and on major national holidays), having traditional commercial breaks for certain programs. In September 2018, the network reduced the amount of traditional commercial breaks for shows like Paw Patrol, Blaze and the Monster Machines (season 3 and beyond), Top Wing and more. As of January 2016, Nick Jr. is available to approximately 73. 0 million pay television households in the United States.