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1988 Quarterly Calendar

1988 split into four 3-month calendars. Q1 starts on Friday, January 1, 1988 and has 91 days; Q2 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 1988January – March

91 days · 62 working days · W53 (1987)–W13

January 198819 work days
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February 198820 work days
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March 198823 work days
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Q2 1988April – June

91 days · 64 working days · W13–W26

April 198821 work days
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May 198821 work days
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June 198822 work days
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Q3 1988July – September

92 days · 64 working days · W26–W39

July 198820 work days
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August 198823 work days
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September 198821 work days
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Q4 1988October – December

92 days · 61 working days · W39–W52

October 198820 work days
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November 198820 work days
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December 198821 work days
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1988 Quarters at a Glance

QuarterDatesDaysWorking daysISO weeksFederal holidays
Q1Fri, Jan 1 – Thu, Mar 319162W53 (1987)–W13New Year's Day, MLK Day, Presidents' Day
Q2Fri, Apr 1 – Thu, Jun 309164W13–W26Memorial Day
Q3Fri, Jul 1 – Fri, Sep 309264W26–W39Independence Day, Labor Day
Q4Sat, Oct 1 – Sat, Dec 319261W39–W52Columbus Day, Veterans Day, Thanksgiving, Christmas Day

1988 Quarterly Calendar FAQ

When does each quarter of 1988 start and end?

Q1 runs from Friday, January 1, 1988 to Thursday, March 31, 1988 (91 days); Q2 runs from Friday, April 1, 1988 to Thursday, June 30, 1988 (91 days); Q3 runs from Friday, July 1, 1988 to Friday, September 30, 1988 (92 days); Q4 runs from Saturday, October 1, 1988 to Saturday, December 31, 1988 (92 days).

How many working days are in each quarter of 1988?

Q1 has 62, Q2 has 64, Q3 has 64, 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 1988 quarter?

Q1 runs from W53 (1987) 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 1988 (calendar Q4) is Q1 of federal fiscal year 1989.

Make Your Own 1988 Quarterly Planner

Open 1988 in the builder, add deadlines and events to each month, and export a PDF.

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