20th to 29th Congresses (1827–1847)

Sunday sessions are marked in bold.

Congress and Year1st Session2nd session 3rd Session*
20th (1827-1829) January 19, 1828 January 17, 1829  
  January 26, 1828 January 24, 1829  
  February 2, 1828 January 31, 1829  
  February 23, 1828 February 7, 1829  
  March 1, 1828 February 14, 1829  
  March 8, 1828 February 21, 1829  
  March 15, 1828 February 28, 1829  
  March 22, 1828   
  April 5, 1828   
  April 12, 1828   
  April 19, 1828   
  April 26, 1828   
  May 3, 1828   
  May 10, 1828   
  May 17, 1828   
  May 24, 1828   
21st (1829-1831) February 13, 1830 January 22, 1831  
  February 20, 1830 January 29, 1831  
  February 27, 1830 February 5, 1831  
  March 6, 1830February 12, 1831  
  March 13, 1830 February 19, 1831  
  March 20, 1830 February 26, 1831  
  March 27, 1830   
  April 3, 1830   
  April 10, 1830  
  April 24, 1830   
  May 1, 1830   
  May 8, 1830   
  May 15, 1830   
  May 22, 1830   
  May 29, 1830   
22nd (1831-1833) January 21, 1832 December 15, 1832  
  February 4, 1832 December 22, 1832  
  February 18, 1832 December 29, 1832  
  March 3, 1832 January 5, 1833  
  March 10, 1832 January 12, 1833  
  March 17, 1832 January 19, 1833  
  March 31, 1832 January 26, 1833  
  April 7, 1832 February 9, 1833  
  April 14, 1832 February 16, 1833  
  April 21, 1832 February 23, 1833  
  April 28, 1832 March 2, 1833  
  May 5, 1832   
  May 19, 1832   
  May 26, 1832   
  June 2, 1832   
  June 9, 1832   
  June 16, 1832   
  June 23, 1832   
  July 7, 1832   
  July 14, 1832   
23rd (1833-1835) February 8, 1834 December 27, 1834  
  February 15, 1834 January 3, 1835  
  March 15, 1834 January 10, 1835  
  March 22, 1834 January 17, 1835  
  March 29, 1834 January 24, 1835  
  April 12, 1834 January 31, 1835  
  April 19, 1834 February 7, 1835  
  April 26, 1834 February 14, 1835  
  May 17, 1834 February 21, 1835  
  May 31, 1834 February 28, 1835  
  June 7, 1834   
  June 14, 1834   
  June 21, 1834   
  June 28, 1834   
24th (1835-1837) January 23, 1836 December 31, 1836  
  January 30, 1836 January 7, 1837  
  February 13, 1836 January 14, 1837  
  February 27, 1836 January 21, 1837  
  March 5, 1836 January 28, 1837  
  March 12, 1836 February 4, 1837  
  March 19, 1836 February 11, 1837  
  March 26, 1836 February 18, 1837  
  April 2, 1836 February 25, 1837  
  April 9, 1836   
  April 16, 1836   
  April 23, 1836   
  May 7, 1836  
  May 14, 1836   
  May 21, 1836   
  May 28, 1836   
  June 4, 1836   
  June 11, 1836   
  June 18, 1836   
  June 25, 1836   
  July 2, 1836   
25th (1837-1839) September 23, 1837 January 13, 1838 December 22, 1838
 September 30, 1837 January 20, 1838 December 29, 1838
  October 7, 1837 January 27, 1838 January 5, 1839
  October 14, 1837 February 3, 1838 January 12, 1839
   February 17, 1838 January 19, 1839
   February 24, 1838 January 26, 1839
   March 3, 1838 February 2, 1839
   March 10, 1838 February 9, 1839
   March 17, 1838 February 16, 1839
   March 24, 1838 February 23, 1839
   March 31, 1838 March 2, 1839
   April 7, 1838  
   April 14, 1838  
   April 21, 1838  
   April 28, 1838  
   May 12, 1838  
   May 19, 1838  
   May 26, 1838  
   June 2, 1838  
   June 9, 1838  
   June 16, 1838  
   June 23, 1838  
   June 30, 1838  
   July 7, 1838  
26th (1839-1841) December 7, 1839 January 9, 1841  
  December 14, 1839 January 16, 1841  
  December 21, 1839 January 23, 1841  
  January 4, 1840 January 30, 1841  
  January 11, 1840February 6, 1841  
  January 18, 1840 February 13, 1841  
  January 25, 1840 February 20, 1841  
  February 8, 1840 February 27, 1841  
  February 15, 1840  
  February 29, 1840   
  March 7, 1840   
  March 14, 1840   
  March 21, 1840   
  March 28, 1840   
  April 4, 1840   
  April 11, 1840    
  April 18, 1840   
  April 25, 1840  
  May 2, 1840   
  May 9, 1840   
  May 16, 1840   
  May 23, 1840   
  May 30, 1840   
  June 6, 1840   
  June 13, 1840   
  June 20, 1840   
  June 27, 1840   
  July 4, 1840   
  July 11, 1840   
  July 18, 1840   
27th (1841-1843) June 12, 1841 January 8, 1842 December 17, 1842
  June 19, 1841 January 15, 1842 December 31, 1842
  July 10, 1841 January 22, 1842 January 7, 1843
  July 17, 1841 January 29, 1842  January 14, 1843
  July 24, 1841 February 5, 1842 January 21, 1843
  July 31, 1841 February 12, 1842 January 28, 1843
  August 7, 1841 February 19, 1842 February 4, 1843
  August 21, 1841 February 26, 1842 February 11, 1843
  August 28, 1841 March 5, 1842 February 18, 1843
 September 4, 1841 March 12, 1842 February 25, 1843
  September 11, 1841 March 19, 1842  
   March 26, 1842  
  April 2, 1842  
   April 9, 1842  
   April 16, 1842  
   April 30, 1842  
   May 14, 1842  
   May 21, 1842  
   May 28, 1842  
   June 4, 1842  
   June 11, 1842  
   June 18, 1842  
   June 25, 1842  
   July 9, 1842  
   July 16, 1842  
   July 23, 1842  
   July 30, 1842  
   August 6, 1842  
   August 13, 1842  
   August 20, 1842  
   August 27, 1842  
28th (1843-1845) December 16, 1843 December 21, 1844  
  January 6, 1844 January 4, 1845  
  January 13, 1844 January 11, 1845  
  January 20, 1844 January 18, 1845  
  January 27, 1844 January 25, 1845  
  February 3, 1844 February 1, 1845  
  February 10, 1844 February 8, 1845  
  February 17, 1844 February 15, 1845  
  February 24, 1844 February 22, 1845  
  March 9, 1844 March 1, 1845  
  March 16, 1844   
  March 23, 1844   
  March 30, 1844   
  April 6, 1844   
  April 13, 1844   
 April 20, 1844   
  April 27, 1844   
  May 4, 1844   
  May 11, 1844  
  May 25, 1844   
  June 1, 1844   
  June 8, 1844   
  June 15, 1844   
29th (1845-1847) December 27, 1845 December 19, 1846  
  January 3, 1846 January 2, 1847  
  January 10, 1846 January 9, 1847  
  January 17, 1846 January 16, 1847  
  January 24, 1846 January 23, 1847  
  January 31, 1846 January 30, 1847  
  February 7, 1846 February 6, 1847  
  February 14, 1846 February 13, 1847  
  February 21, 1846 February 20, 1847  
  February 28, 1846 February 27, 1847  
  March 14, 1846   
  March 28, 1846   
  April 4, 1846   
  April 11, 1846   
  April 18, 1846   
  April 25, 1846   
  May 9, 1846   
  May 16, 1846   
  May 23, 1846   
  May 30, 1846   
  June 6, 1846   
  June 13, 1846   
  June 20, 1846   
  June 27, 1846   
  July 11, 1846   
  July 18, 1846   
  July 25, 1846   
  August 1, 1846  
  August 8, 1846   

Footnotes

*Congressional leaders discontinued the use of third sessions by the end of the 1930s. The ratification of the 20th Amendment in 1933, provided for Congress to assemble on or about the third day of January rather than the traditional March start date. Third sessions, which generally had run from December to March, no longer were necessary.