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Q4 1980 Calendar

October – December 1980: 92 days from Wednesday, October 1, 1980 to Wednesday, December 31, 1980, with 62 US working days across ISO weeks W40–W1 (1981). Federal holidays this quarter: Columbus Day, Veterans Day, Thanksgiving, Christmas Day.

October 198022 work days
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  • Columbus Day13
November 198018 work days
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  • Veterans Day11
  • Thanksgiving27
December 198022 work days
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  • Christmas Day25

Weeks in Q4 1980

ISO weekMonday – Sunday
W40Sep 29 – Oct 5
W41Oct 6 – Oct 12
W42Oct 13 – Oct 19
W43Oct 20 – Oct 26
W44Oct 27 – Nov 2
W45Nov 3 – Nov 9
W46Nov 10 – Nov 16
W47Nov 17 – Nov 23
W48Nov 24 – Nov 30
W49Dec 1 – Dec 7
W50Dec 8 – Dec 14
W51Dec 15 – Dec 21
W52Dec 22 – Dec 28
W1 (1981)Dec 29 – Jan 4

Q4 1980 Calendar FAQ

When does Q4 1980 start and end?

Q4 1980 starts on Wednesday, October 1, 1980 and ends on Wednesday, December 31, 1980. It covers October – December 1980 and has 92 days.

How many working days are in Q4 1980?

Q4 1980 has 62 US working days, which is 66 weekdays minus 4 federal days off: Columbus Day (Mon, Oct 13), Veterans Day (Tue, Nov 11), Thanksgiving (Thu, Nov 27), and Christmas Day (Thu, Dec 25).

How many weeks are in Q4 1980?

Q4 1980 touches 14 ISO weeks, from W40 to W1 (1981). 12 of them fall entirely inside the quarter.

Which fiscal quarter is Q4 1980?

For the US federal government, whose fiscal year starts on October 1, October – December 1980 is Q1 of fiscal year 1981. Companies with a calendar-year fiscal year call it Q4 1980.

Plan Q4 1980

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