H. RES. 304 proposes an amendment to an earlier House Resolution, House Resolution 211. This amendment ensures that all days during the first session of the 119th Congress are considered calendar days when dealing with a joint resolution aimed at ending a national emergency...
Simple Explanation
In a game, imagine there are special rules about which days count when deciding if something important, like a big red button press, is happening. H. RES. 304 is a rule change to make sure every single day counts, so it's easier for Congress to decide about a big problem the President talked about on February 1, 2025.