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1991 Quarterly Calendar

1991 split into four 3-month calendars. Q1 starts on Tuesday, January 1, 1991 and has 90 days; Q2 is the busiest quarter with 64 US working days, and Q1 the lightest with 61. Each quarter lists its dates, working days, ISO weeks and federal holidays.

Q1 1991January – March

90 days · 61 working days · W1–W13

January 199121 work days
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February 199119 work days
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March 199121 work days
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Q2 1991April – June

91 days · 64 working days · W14–W26

April 199122 work days
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May 199122 work days
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June 199120 work days
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Q3 1991July – September

92 days · 64 working days · W27–W40

July 199122 work days
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August 199122 work days
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September 199120 work days
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Q4 1991October – December

92 days · 62 working days · W40–W1 (1992)

October 199122 work days
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November 199119 work days
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December 199121 work days
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1991 Quarters at a Glance

QuarterDatesDaysWorking daysISO weeksFederal holidays
Q1Tue, Jan 1 – Sun, Mar 319061W1–W13New Year's Day, MLK Day, Presidents' Day
Q2Mon, Apr 1 – Sun, Jun 309164W14–W26Memorial Day
Q3Mon, Jul 1 – Mon, Sep 309264W27–W40Independence Day, Labor Day
Q4Tue, Oct 1 – Tue, Dec 319262W40–W1 (1992)Columbus Day, Veterans Day, Thanksgiving, Christmas Day

1991 Quarterly Calendar FAQ

When does each quarter of 1991 start and end?

Q1 runs from Tuesday, January 1, 1991 to Sunday, March 31, 1991 (90 days); Q2 runs from Monday, April 1, 1991 to Sunday, June 30, 1991 (91 days); Q3 runs from Monday, July 1, 1991 to Monday, September 30, 1991 (92 days); Q4 runs from Tuesday, October 1, 1991 to Tuesday, December 31, 1991 (92 days).

How many working days are in each quarter of 1991?

Q1 has 61, Q2 has 64, Q3 has 64, Q4 has 62 US working days (Monday to Friday minus federal days off). Q2 has the most and Q1 the fewest.

Which ISO weeks fall in each 1991 quarter?

Q1 runs from W1 to W13, Q2 runs from W14 to W26, Q3 runs from W27 to W40, Q4 runs from W40 to W1 (1992). Weeks that start in one quarter and end in the next appear in both.

Are these calendar quarters or fiscal quarters?

They are calendar quarters. The US federal fiscal year starts on October 1, so October to December 1991 (calendar Q4) is Q1 of federal fiscal year 1992.

Make Your Own 1991 Quarterly Planner

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