1980 starts on a Tuesday and ends on a Wednesday. It has 366 days and is a leap year, with 9 US federal holidays.
Federal holiday Observance Today
1980 calendar
January
January 1980
S
M
T
W
T
F
S
1
1
2
3
4
5
2
6
7
8
9
10
11
12
3
13
14
15
16
17
18
19
4
20
21
22
23
24
25
26
5
27
28
29
30
31
February
February 1980
S
M
T
W
T
F
S
5
1
2
6
3
4
5
6
7
8
9
7
10
11
12
13
14
15
16
8
17
18
19
20
21
22
23
9
24
25
26
27
28
29
March
March 1980
S
M
T
W
T
F
S
9
1
10
2
3
4
5
6
7
8
11
9
10
11
12
13
14
15
12
16
17
18
19
20
21
22
13
23
24
25
26
27
28
29
14
30
31
April
April 1980
S
M
T
W
T
F
S
14
1
2
3
4
5
15
6
7
8
9
10
11
12
16
13
14
15
16
17
18
19
17
20
21
22
23
24
25
26
18
27
28
29
30
May
May 1980
S
M
T
W
T
F
S
18
1
2
3
19
4
5
6
7
8
9
10
20
11
12
13
14
15
16
17
21
18
19
20
21
22
23
24
22
25
26
27
28
29
30
31
June
June 1980
S
M
T
W
T
F
S
23
1
2
3
4
5
6
7
24
8
9
10
11
12
13
14
25
15
16
17
18
19
20
21
26
22
23
24
25
26
27
28
27
29
30
July
July 1980
S
M
T
W
T
F
S
27
1
2
3
4
5
28
6
7
8
9
10
11
12
29
13
14
15
16
17
18
19
30
20
21
22
23
24
25
26
31
27
28
29
30
31
August
August 1980
S
M
T
W
T
F
S
31
1
2
32
3
4
5
6
7
8
9
33
10
11
12
13
14
15
16
34
17
18
19
20
21
22
23
35
24
25
26
27
28
29
30
36
31
September
September 1980
S
M
T
W
T
F
S
36
1
2
3
4
5
6
37
7
8
9
10
11
12
13
38
14
15
16
17
18
19
20
39
21
22
23
24
25
26
27
40
28
29
30
October
October 1980
S
M
T
W
T
F
S
40
1
2
3
4
41
5
6
7
8
9
10
11
42
12
13
14
15
16
17
18
43
19
20
21
22
23
24
25
44
26
27
28
29
30
31
November
November 1980
S
M
T
W
T
F
S
44
1
45
2
3
4
5
6
7
8
46
9
10
11
12
13
14
15
47
16
17
18
19
20
21
22
48
23
24
25
26
27
28
29
49
30
December
December 1980
S
M
T
W
T
F
S
49
1
2
3
4
5
6
50
7
8
9
10
11
12
13
51
14
15
16
17
18
19
20
52
21
22
23
24
25
26
27
1
28
29
30
31
US federal holidays 1980
Date
Holiday
Day off
Tuesday, January 1
New Year's Day
-
Monday, February 18
Washington's Birthday (Presidents' Day)
-
Monday, May 26
Memorial Day
-
Friday, July 4
Independence Day
-
Monday, September 1
Labor Day
-
Monday, October 13
Columbus Day (Indigenous Peoples' Day)
-
Tuesday, November 11
Veterans Day
-
Thursday, November 27
Thanksgiving Day
-
Thursday, December 25
Christmas Day
-
1980 at a glance
First day
Tuesday, January 1
Last day
Wednesday, December 31
Days
366
Leap year
Yes
ISO weeks
52
Easter Sunday
April 6
The 1980 calendar is the same as the calendar for 1924, 1952, 2008, 2036: every date falls on the same day of the week, so a calendar from one of those years can be used for 1980.