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1989 Quarterly Calendar

1989 split into four 3-month calendars. Q1 starts on Sunday, January 1, 1989 and has 90 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 1989January – March

90 days · 62 working days · W52 (1988)–W13

January 198920 work days
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February 198919 work days
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March 198923 work days
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Q2 1989April – June

91 days · 64 working days · W13–W26

April 198920 work days
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May 198922 work days
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June 198922 work days
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Q3 1989July – September

92 days · 63 working days · W26–W39

July 198920 work days
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August 198923 work days
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September 198920 work days
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Q4 1989October – December

92 days · 61 working days · W39–W52

October 198921 work days
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November 198920 work days
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December 198920 work days
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1989 Quarters at a Glance

QuarterDatesDaysWorking daysISO weeksFederal holidays
Q1Sun, Jan 1 – Fri, Mar 319062W52 (1988)–W13New Year's Day, MLK Day, Presidents' Day
Q2Sat, Apr 1 – Fri, Jun 309164W13–W26Memorial Day
Q3Sat, Jul 1 – Sat, Sep 309263W26–W39Independence Day, Labor Day
Q4Sun, Oct 1 – Sun, Dec 319261W39–W52Columbus Day, Veterans Day, Thanksgiving, Christmas Day

1989 Quarterly Calendar FAQ

When does each quarter of 1989 start and end?

Q1 runs from Sunday, January 1, 1989 to Friday, March 31, 1989 (90 days); Q2 runs from Saturday, April 1, 1989 to Friday, June 30, 1989 (91 days); Q3 runs from Saturday, July 1, 1989 to Saturday, September 30, 1989 (92 days); Q4 runs from Sunday, October 1, 1989 to Sunday, December 31, 1989 (92 days).

How many working days are in each quarter of 1989?

Q1 has 62, Q2 has 64, 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 1989 quarter?

Q1 runs from W52 (1988) 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 1989 (calendar Q4) is Q1 of federal fiscal year 1990.

Make Your Own 1989 Quarterly Planner

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