NASA is targeting a two-hour test window that opens at 5 p.m. EST Saturday, Jan. 16, for the hot fire test of NASA’s Space Launch System (SLS) rocket core stage at the agency’s Stennis Space Center near Bay St. Louis, Mississippi. Live coverage will begin at 4:20 p.m. on NASA Television and the agency’s website, followed by a post-test briefing approximately two hours after the test concludes.
See NASA Press Release for more info: https://www.nasa.gov/press-release/nasa-tv-to-air-hot-fire-test-of-rocket-core-stage-for-artemis-moon-missions