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2026 Quarterly Calendar

2026 split into four 3-month calendars. Q1 starts on Thursday, January 1, 2026 and has 90 days; Q3 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 2026January – March

90 days · 61 working days · W1–W14

January 202620 work days
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February 202619 work days
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March 202622 work days
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Q2 2026April – June

91 days · 63 working days · W14–W27

April 202622 work days
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May 202620 work days
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June 202621 work days
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Q3 2026July – September

92 days · 64 working days · W27–W40

July 202622 work days
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August 202621 work days
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September 202621 work days
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Q4 2026October – December

92 days · 62 working days · W40–W53

October 202621 work days
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November 202619 work days
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December 202622 work days
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2026 Quarters at a Glance

QuarterDatesDaysWorking daysISO weeksFederal holidays
Q1Thu, Jan 1 – Tue, Mar 319061W1–W14New Year's Day, MLK Day, Presidents' Day
Q2Wed, Apr 1 – Tue, Jun 309163W14–W27Memorial Day, Juneteenth
Q3Wed, Jul 1 – Wed, Sep 309264W27–W40Independence Day, Labor Day
Q4Thu, Oct 1 – Thu, Dec 319262W40–W53Columbus Day, Veterans Day, Thanksgiving, Christmas Day

2026 Quarterly Calendar FAQ

When does each quarter of 2026 start and end?

Q1 runs from Thursday, January 1, 2026 to Tuesday, March 31, 2026 (90 days); Q2 runs from Wednesday, April 1, 2026 to Tuesday, June 30, 2026 (91 days); Q3 runs from Wednesday, July 1, 2026 to Wednesday, September 30, 2026 (92 days); Q4 runs from Thursday, October 1, 2026 to Thursday, December 31, 2026 (92 days).

How many working days are in each quarter of 2026?

Q1 has 61, Q2 has 63, Q3 has 64, Q4 has 62 US working days (Monday to Friday minus federal days off). Q3 has the most and Q1 the fewest.

Which ISO weeks fall in each 2026 quarter?

Q1 runs from W1 to W14, Q2 runs from W14 to W27, Q3 runs from W27 to W40, Q4 runs from W40 to W53. 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 2026 (calendar Q4) is Q1 of federal fiscal year 2027.

Make Your Own 2026 Quarterly Planner

Open 2026 in the builder, add deadlines and events to each month, and export a PDF.

Customize the 2026 Calendar