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2025 Quarterly Calendar

2025 split into four 3-month calendars. Q1 starts on Wednesday, January 1, 2025 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 2025January – March

90 days · 61 working days · W1–W14

January 202521 work days
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February 202519 work days
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March 202521 work days
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Q2 2025April – June

91 days · 63 working days · W14–W27

April 202522 work days
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May 202521 work days
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June 202520 work days
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Q3 2025July – September

92 days · 64 working days · W27–W40

July 202522 work days
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August 202521 work days
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September 202521 work days
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Q4 2025October – December

92 days · 62 working days · W40–W1 (2026)

October 202522 work days
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November 202518 work days
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December 202522 work days
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2025 Quarters at a Glance

QuarterDatesDaysWorking daysISO weeksFederal holidays
Q1Wed, Jan 1 – Mon, Mar 319061W1–W14New Year's Day, MLK Day, Presidents' Day
Q2Tue, Apr 1 – Mon, Jun 309163W14–W27Memorial Day, Juneteenth
Q3Tue, Jul 1 – Tue, Sep 309264W27–W40Independence Day, Labor Day
Q4Wed, Oct 1 – Wed, Dec 319262W40–W1 (2026)Columbus Day, Veterans Day, Thanksgiving, Christmas Day

2025 Quarterly Calendar FAQ

When does each quarter of 2025 start and end?

Q1 runs from Wednesday, January 1, 2025 to Monday, March 31, 2025 (90 days); Q2 runs from Tuesday, April 1, 2025 to Monday, June 30, 2025 (91 days); Q3 runs from Tuesday, July 1, 2025 to Tuesday, September 30, 2025 (92 days); Q4 runs from Wednesday, October 1, 2025 to Wednesday, December 31, 2025 (92 days).

How many working days are in each quarter of 2025?

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 2025 quarter?

Q1 runs from W1 to W14, Q2 runs from W14 to W27, Q3 runs from W27 to W40, Q4 runs from W40 to W1 (2026). 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 2025 (calendar Q4) is Q1 of federal fiscal year 2026.

Make Your Own 2025 Quarterly Planner

Open 2025 in the builder, add deadlines and events to each month, and export a PDF.

Customize the 2025 Calendar