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1931 Calendar Starting on Monday

Every month of 1931 with Monday in the first column and the weekend at the end of each row. January 1 is a Thursday, the first Monday is Monday, January 5, 1931, and the year has 52 Mondays. June starts on a Monday.

January 193120 work days
M
T
W
T
F
S
S
1
2
3
4
5
6
7
8
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10
11
12
13
14
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16
17
18
19
20
21
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24
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February 193119 work days
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T
W
T
F
S
S
1
2
3
4
5
6
7
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9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
March 193122 work days
M
T
W
T
F
S
S
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
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29
30
31
April 193122 work days
M
T
W
T
F
S
S
1
2
3
4
5
6
7
8
9
10
11
12
13
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18
19
20
21
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30
May 193120 work days
M
T
W
T
F
S
S
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
June 193122 work days
M
T
W
T
F
S
S
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
July 193122 work days
M
T
W
T
F
S
S
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
August 193121 work days
M
T
W
T
F
S
S
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
September 193121 work days
M
T
W
T
F
S
S
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
October 193121 work days
M
T
W
T
F
S
S
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
November 193119 work days
M
T
W
T
F
S
S
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
December 193122 work days
M
T
W
T
F
S
S
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31

1931 Monday-Start Calendar FAQ

Which months of 1931 start on a Monday?

In 1931, June starts on a Monday, so it has no blank cells in the first row of a Monday-start calendar.

How many Mondays are in 1931?

1931 has 52 Mondays. The first is Monday, January 5, 1931.

When does the first full Monday-to-Sunday week of 1931 start?

The first Monday of 1931 is Monday, January 5, 1931. ISO week 1, the week that holds the first Thursday of January, starts on Monday, December 29, 1930.

Why start the week on Monday?

The ISO 8601 standard and most of Europe count Monday as the first day of the week. Saturday and Sunday then sit together at the end of each row, which makes weekends easy to see and lines up with ISO week numbers.

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