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Q1 2011 Calendar

January – March 2011: 90 days from Saturday, January 1, 2011 to Thursday, March 31, 2011, with 62 US working days across ISO weeks W52 (2010)–W13. Federal holidays this quarter: New Year's Day, MLK Day, Presidents' Day.

January 201120 work days
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  • New Year's Day1
  • MLK Day17
February 201119 work days
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  • Presidents' Day21
March 201123 work days
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Weeks in Q1 2011

ISO weekMonday – Sunday
W52 (2010)Dec 27 – Jan 2
W1Jan 3 – Jan 9
W2Jan 10 – Jan 16
W3Jan 17 – Jan 23
W4Jan 24 – Jan 30
W5Jan 31 – Feb 6
W6Feb 7 – Feb 13
W7Feb 14 – Feb 20
W8Feb 21 – Feb 27
W9Feb 28 – Mar 6
W10Mar 7 – Mar 13
W11Mar 14 – Mar 20
W12Mar 21 – Mar 27
W13Mar 28 – Apr 3

Q1 2011 Calendar FAQ

When does Q1 2011 start and end?

Q1 2011 starts on Saturday, January 1, 2011 and ends on Thursday, March 31, 2011. It covers January – March 2011 and has 90 days.

How many working days are in Q1 2011?

Q1 2011 has 62 US working days, which is 64 weekdays minus 2 federal days off: MLK Day (Mon, Jan 17) and Presidents' Day (Mon, Feb 21).

How many weeks are in Q1 2011?

Q1 2011 touches 14 ISO weeks, from W52 (2010) to W13. 12 of them fall entirely inside the quarter.

Which fiscal quarter is Q1 2011?

For the US federal government, whose fiscal year starts on October 1, January – March 2011 is Q2 of fiscal year 2011. Companies with a calendar-year fiscal year call it Q1 2011.

Plan Q1 2011

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