Illinois Legislature 2025 Calendar. The legislative calendar the illinois general assembly convenes its regular session on the second wednesday in january (as fixed by the state constitution) and adjourns in may or. The following dates are for candidates running in the 2025 consolidated primary election to be held on february 25, 2025, and apply to the offices below:

1) established political parties in. In 2025, independence day will be celebrated across illinois on july 4th.