Week Numbers for 2011

This page lists all weeks in 2011. There are 52 weeks in 2011.

All weeks are starting on Monday and ending on Sunday.
Please note that there are multiple systems for week numbering, this is the ISO week date standard (ISO-8601), other systems use weeks starting on Sunday (US) or Saturday (Islamic).

Find more info on our main week number page.

Week number From Date To Date
Week 52, 2010 December 27, 2010 January 02, 2011
Week 1 January 03, 2011 January 09, 2011
Week 2 January 10, 2011 January 16, 2011
Week 3 January 17, 2011 January 23, 2011
Week 4 January 24, 2011 January 30, 2011
Week 5 January 31, 2011 February 06, 2011
Week 6 February 07, 2011 February 13, 2011
Week 7 February 14, 2011 February 20, 2011
Week 8 February 21, 2011 February 27, 2011
Week 9 February 28, 2011 March 06, 2011
Week 10 March 07, 2011 March 13, 2011
Week 11 March 14, 2011 March 20, 2011
Week 12 March 21, 2011 March 27, 2011
Week 13 March 28, 2011 April 03, 2011
Week 14 April 04, 2011 April 10, 2011
Week 15 April 11, 2011 April 17, 2011
Week 16 April 18, 2011 April 24, 2011
Week 17 April 25, 2011 May 01, 2011
Week 18 May 02, 2011 May 08, 2011
Week 19 May 09, 2011 May 15, 2011
Week 20 May 16, 2011 May 22, 2011
Week 21 May 23, 2011 May 29, 2011
Week 22 May 30, 2011 June 05, 2011
Week 23 June 06, 2011 June 12, 2011
Week 24 June 13, 2011 June 19, 2011
Week 25 June 20, 2011 June 26, 2011
Week 26 June 27, 2011 July 03, 2011
Week 27 July 04, 2011 July 10, 2011
Week 28 July 11, 2011 July 17, 2011
Week 29 July 18, 2011 July 24, 2011
Week 30 July 25, 2011 July 31, 2011
Week 31 August 01, 2011 August 07, 2011
Week 32 August 08, 2011 August 14, 2011
Week 33 August 15, 2011 August 21, 2011
Week 34 August 22, 2011 August 28, 2011
Week 35 August 29, 2011 September 04, 2011
Week 36 September 05, 2011 September 11, 2011
Week 37 September 12, 2011 September 18, 2011
Week 38 September 19, 2011 September 25, 2011
Week 39 September 26, 2011 October 02, 2011
Week 40 October 03, 2011 October 09, 2011
Week 41 October 10, 2011 October 16, 2011
Week 42 October 17, 2011 October 23, 2011
Week 43 October 24, 2011 October 30, 2011
Week 44 October 31, 2011 November 06, 2011
Week 45 November 07, 2011 November 13, 2011
Week 46 November 14, 2011 November 20, 2011
Week 47 November 21, 2011 November 27, 2011
Week 48 November 28, 2011 December 04, 2011
Week 49 December 05, 2011 December 11, 2011
Week 50 December 12, 2011 December 18, 2011
Week 51 December 19, 2011 December 25, 2011
Week 52 December 26, 2011 January 01, 2012
Week 1, 2012 January 02, 2012 January 08, 2012

Week numbers for other years: 1972 | 1973 | 1974 | 1975 | 1976 | 1977 | 1978 | 1979 | 1980 | 1981 | 1982 | 1983 | 1984 | 1985 | 1986 | 1987 | 1988 | 1989 | 1990 | 1991 | 1992 | 1993 | 1994 | 1995 | 1996 | 1997 | 1998 | 1999 | 2000 | 2001 | 2002 | 2003 | 2004 | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 | 2012 | 2013 | 2014 | 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 | 2027 | 2028 | 2029 | 2030 | 2031 | 2032 | 2033 | 2034 | 2035 | 2036 | 2037 | 2038 | 2039 | 2040 | 2041 | 2042 | 2043 | 2044 | 2045 | 2046 | 2047 | 2048 | 2049 | 2050 | 2051

Also see: Day numbers for 2011