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Days
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Working days
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Weekend days
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Public holidays
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Vacations

Working days numbering

Over the period from Thursday, January 1, 1931 to Thursday, December 31, 1931

January 1931
256 working days
Mon
Tue
Wed
Thu
Fri
Sat
Sun
1
21
3
4
52
63
74
85
96
10
11
127
138
149
1510
1611
17
18
1912
2013
2114
2215
2316
24
25
2617
2718
2819
2920
3021
31
Weekend day
Public holiday: New Year's Day
February 1931
256 working days
Mon
Tue
Wed
Thu
Fri
Sat
Sun
1
222
323
424
525
626
7
8
927
1028
1129
1230
1331
14
15
1632
1733
1834
1935
2036
21
22
2337
2438
2539
2640
2741
28
Weekend day
Public holiday: Washington's Birthday
March 1931
256 working days
Mon
Tue
Wed
Thu
Fri
Sat
Sun
1
242
343
444
545
646
7
8
947
1048
1149
1250
1351
14
15
1652
1753
1854
1955
2056
21
22
2357
2458
2559
2660
2761
28
29
3062
3163
Weekend day
April 1931
256 working days
Mon
Tue
Wed
Thu
Fri
Sat
Sun
164
265
366
4
5
667
768
869
970
1071
11
12
1372
1473
1574
1675
1776
18
19
2077
2178
2279
2380
2481
25
26
2782
2883
2984
3085
Weekend day
May 1931
256 working days
Mon
Tue
Wed
Thu
Fri
Sat
Sun
186
2
3
487
588
689
790
891
9
10
1192
1293
1394
1495
1596
16
17
1897
1998
2099
21100
22101
23
24
25102
26103
27104
28105
29106
30
31
Weekend day
Public holiday: Memorial Day
June 1931
256 working days
Mon
Tue
Wed
Thu
Fri
Sat
Sun
1107
2108
3109
4110
5111
6
7
8112
9113
10114
11115
12116
13
14
15117
16118
17119
18120
19121
20
21
22122
23123
24124
25125
26126
27
28
29127
30128
Weekend day
July 1931
256 working days
Mon
Tue
Wed
Thu
Fri
Sat
Sun
1129
2130
3
4
5
6131
7132
8133
9134
10135
11
12
13136
14137
15138
16139
17140
18
19
20141
21142
22143
23144
24145
25
26
27146
28147
29148
30149
31150
Weekend day
Public holiday: Independence Day (observance)
Public holiday: Independence Day
August 1931
256 working days
Mon
Tue
Wed
Thu
Fri
Sat
Sun
1
2
3151
4152
5153
6154
7155
8
9
10156
11157
12158
13159
14160
15
16
17161
18162
19163
20164
21165
22
23
24166
25167
26168
27169
28170
29
30
31171
Weekend day
September 1931
256 working days
Mon
Tue
Wed
Thu
Fri
Sat
Sun
1172
2173
3174
4175
5
6
7
8176
9177
10178
11179
12
13
14180
15181
16182
17183
18184
19
20
21185
22186
23187
24188
25189
26
27
28190
29191
30192
Weekend day
Public holiday: Labor Day
October 1931
256 working days
Mon
Tue
Wed
Thu
Fri
Sat
Sun
1193
2194
3
4
5195
6196
7197
8198
9199
10
11
12200
13201
14202
15203
16204
17
18
19205
20206
21207
22208
23209
24
25
26210
27211
28212
29213
30214
31
Weekend day
November 1931
256 working days
Mon
Tue
Wed
Thu
Fri
Sat
Sun
1
2215
3216
4217
5218
6219
7
8
9220
10221
11222
12223
13224
14
15
16225
17226
18227
19228
20229
21
22
23230
24231
25232
26
27233
28
29
30234
Weekend day
Public holiday: Thanksgiving
December 1931
256 working days
Mon
Tue
Wed
Thu
Fri
Sat
Sun
1235
2236
3237
4238
5
6
7239
8240
9241
10242
11243
12
13
14244
15245
16246
17247
18248
19
20
21249
22250
23251
24252
25
26
27
28253
29254
30255
31256
Weekend day
Public holiday: Christmas

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Working days in a year:   ‹ 1930 | 1931 | 1932 ›
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