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1918 Quarterly Calendar

1918 split into four 3-month calendars. Q1 starts on Tuesday, January 1, 1918 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 1918January – March

90 days · 61 working days · W1–W13

January 191821 work days
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February 191819 work days
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March 191821 work days
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Q2 1918April – June

91 days · 64 working days · W14–W26

April 191822 work days
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May 191822 work days
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June 191820 work days
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Q3 1918July – September

92 days · 64 working days · W27–W40

July 191822 work days
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August 191822 work days
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September 191820 work days
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Q4 1918October – December

92 days · 62 working days · W40–W1 (1919)

October 191822 work days
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November 191819 work days
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December 191821 work days
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1918 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 (1919)Columbus Day, Veterans Day, Thanksgiving, Christmas Day

1918 Quarterly Calendar FAQ

When does each quarter of 1918 start and end?

Q1 runs from Tuesday, January 1, 1918 to Sunday, March 31, 1918 (90 days); Q2 runs from Monday, April 1, 1918 to Sunday, June 30, 1918 (91 days); Q3 runs from Monday, July 1, 1918 to Monday, September 30, 1918 (92 days); Q4 runs from Tuesday, October 1, 1918 to Tuesday, December 31, 1918 (92 days).

How many working days are in each quarter of 1918?

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 1918 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 (1919). 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 1918 (calendar Q4) is Q1 of federal fiscal year 1919.

Make Your Own 1918 Quarterly Planner

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