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2023 Quarterly Calendar

2023 split into four 3-month calendars. Q1 starts on Sunday, January 1, 2023 and has 90 days; Q2 is the busiest quarter with 63 US working days, and Q4 the lightest with 61. Each quarter lists its dates, working days, ISO weeks and federal holidays.

Q1 2023January – March

90 days · 62 working days · W52 (2022)–W13

January 202320 work days
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February 202319 work days
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March 202323 work days
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Q2 2023April – June

91 days · 63 working days · W13–W26

April 202320 work days
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May 202322 work days
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June 202321 work days
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Q3 2023July – September

92 days · 63 working days · W26–W39

July 202320 work days
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August 202323 work days
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September 202320 work days
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Q4 2023October – December

92 days · 61 working days · W39–W52

October 202321 work days
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November 202320 work days
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December 202320 work days
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2023 Quarters at a Glance

QuarterDatesDaysWorking daysISO weeksFederal holidays
Q1Sun, Jan 1 – Fri, Mar 319062W52 (2022)–W13New Year's Day, MLK Day, Presidents' Day
Q2Sat, Apr 1 – Fri, Jun 309163W13–W26Memorial Day, Juneteenth
Q3Sat, Jul 1 – Sat, Sep 309263W26–W39Independence Day, Labor Day
Q4Sun, Oct 1 – Sun, Dec 319261W39–W52Columbus Day, Veterans Day, Thanksgiving, Christmas Day

2023 Quarterly Calendar FAQ

When does each quarter of 2023 start and end?

Q1 runs from Sunday, January 1, 2023 to Friday, March 31, 2023 (90 days); Q2 runs from Saturday, April 1, 2023 to Friday, June 30, 2023 (91 days); Q3 runs from Saturday, July 1, 2023 to Saturday, September 30, 2023 (92 days); Q4 runs from Sunday, October 1, 2023 to Sunday, December 31, 2023 (92 days).

How many working days are in each quarter of 2023?

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

Which ISO weeks fall in each 2023 quarter?

Q1 runs from W52 (2022) 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 2023 (calendar Q4) is Q1 of federal fiscal year 2024.

Make Your Own 2023 Quarterly Planner

Open 2023 in the builder, add deadlines and events to each month, and export a PDF.

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