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2066 Quarterly Calendar

2066 split into four 3-month calendars. Q1 starts on Friday, January 1, 2066 and has 90 days; Q3 is the busiest quarter with 64 US working days, and Q4 the lightest with 61. Each quarter lists its dates, working days, ISO weeks and federal holidays.

Q1 2066January – March

90 days · 61 working days · W53 (2065)–W13

January 206619 work days
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February 206619 work days
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March 206623 work days
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Q2 2066April – June

91 days · 63 working days · W13–W26

April 206622 work days
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May 206620 work days
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June 206621 work days
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Q3 2066July – September

92 days · 64 working days · W26–W39

July 206621 work days
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August 206622 work days
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September 206621 work days
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Q4 2066October – December

92 days · 61 working days · W39–W52

October 206620 work days
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November 206620 work days
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December 206621 work days
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2066 Quarters at a Glance

QuarterDatesDaysWorking daysISO weeksFederal holidays
Q1Fri, Jan 1 – Wed, Mar 319061W53 (2065)–W13New Year's Day, MLK Day, Presidents' Day
Q2Thu, Apr 1 – Wed, Jun 309163W13–W26Memorial Day, Juneteenth
Q3Thu, Jul 1 – Thu, Sep 309264W26–W39Independence Day, Labor Day
Q4Fri, Oct 1 – Fri, Dec 319261W39–W52Columbus Day, Veterans Day, Thanksgiving, Christmas Day

2066 Quarterly Calendar FAQ

When does each quarter of 2066 start and end?

Q1 runs from Friday, January 1, 2066 to Wednesday, March 31, 2066 (90 days); Q2 runs from Thursday, April 1, 2066 to Wednesday, June 30, 2066 (91 days); Q3 runs from Thursday, July 1, 2066 to Thursday, September 30, 2066 (92 days); Q4 runs from Friday, October 1, 2066 to Friday, December 31, 2066 (92 days).

How many working days are in each quarter of 2066?

Q1 has 61, Q2 has 63, Q3 has 64, Q4 has 61 US working days (Monday to Friday minus federal days off). Q3 has the most and Q4 the fewest.

Which ISO weeks fall in each 2066 quarter?

Q1 runs from W53 (2065) to W13, Q2 runs from W13 to W26, Q3 runs from W26 to W39, Q4 runs from W39 to W52. 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 2066 (calendar Q4) is Q1 of federal fiscal year 2067.

Make Your Own 2066 Quarterly Planner

Open 2066 in the builder, add deadlines and events to each month, and export a PDF.

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