Treasury Auctions 3-month and 6-month bills, Feb. 2; 4-week bills, Feb. 3; 1-year bills, Feb. 10; 2-year notes, Feb. 25; 5-year notes, Jan. 29; 3-year notes, Feb. 10; 10-year notes, Feb. 11; 30-year bonds, Feb. 12; 10-year TIPS, April 7; 5-year TIPS, April 23.