It depends on whether you are talking about before sunset or after sunset.
Before sunset on Sat, 1 November 1980 = 22nd of Cheshvan, 5741
After sunset on Sat, 1 November 1980 = 23nd of Cheshvan, 5741
The cast of Calendar Goes Pop - 1980 includes: Richard Madeley as Himself - Presenter
6 November 1980 was a Thursday.
21 November 1980 was a Friday.
November 19 1980 was a Wednesday.
November 17th 1980 was a Monday.
November 4th, 1980 was a Tuesday.
November 5th, 1980 was a Wednesday.
November 26th, 1980 fell on a Wednesday.
November 15, 1980 fell on a Saturday.
November 1, 1980 fell on a Saturday.
November 28, 1980 fell on a Friday.
November 9, 1980 fell on a Sunday.