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How many working days and public holidays from  
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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 Saturday, January 1, 1977 to Saturday, December 31, 1977

January 1977
252 working days
Mon
Tue
Wed
Thu
Fri
Sat
Sun
1
2
31
42
53
64
75
8
9
106
117
128
139
1410
15
16
1711
1812
1913
2014
2115
22
23
2416
2517
2618
2719
2820
29
30
3121
Weekend day
Public holiday: New Year's Day
February 1977
252 working days
Mon
Tue
Wed
Thu
Fri
Sat
Sun
122
223
324
425
5
6
726
827
928
1029
1130
12
13
1431
1532
1633
1734
1835
19
20
21
2236
2337
2438
2539
26
27
2840
Weekend day
Public holiday: Washington's Birthday
March 1977
252 working days
Mon
Tue
Wed
Thu
Fri
Sat
Sun
141
242
343
444
5
6
745
846
947
1048
1149
12
13
1450
1551
1652
1753
1854
19
20
2155
2256
2357
2458
2559
26
27
2860
2961
3062
3163
Weekend day
April 1977
252 working days
Mon
Tue
Wed
Thu
Fri
Sat
Sun
164
2
3
465
566
667
768
869
9
10
1170
1271
1372
1473
1574
16
17
1875
1976
2077
2178
2279
23
24
2580
2681
2782
2883
2984
30
Weekend day
May 1977
252 working days
Mon
Tue
Wed
Thu
Fri
Sat
Sun
1
285
386
487
588
689
7
8
990
1091
1192
1293
1394
14
15
1695
1796
1897
1998
2099
21
22
23100
24101
25102
26103
27104
28
29
30
31105
Weekend day
Public holiday: Memorial Day
June 1977
252 working days
Mon
Tue
Wed
Thu
Fri
Sat
Sun
1106
2107
3108
4
5
6109
7110
8111
9112
10113
11
12
13114
14115
15116
16117
17118
18
19
20119
21120
22121
23122
24123
25
26
27124
28125
29126
30127
Weekend day
July 1977
252 working days
Mon
Tue
Wed
Thu
Fri
Sat
Sun
1128
2
3
4
5129
6130
7131
8132
9
10
11133
12134
13135
14136
15137
16
17
18138
19139
20140
21141
22142
23
24
25143
26144
27145
28146
29147
30
31
Weekend day
Public holiday: Independence Day
August 1977
252 working days
Mon
Tue
Wed
Thu
Fri
Sat
Sun
1148
2149
3150
4151
5152
6
7
8153
9154
10155
11156
12157
13
14
15158
16159
17160
18161
19162
20
21
22163
23164
24165
25166
26167
27
28
29168
30169
31170
Weekend day
September 1977
252 working days
Mon
Tue
Wed
Thu
Fri
Sat
Sun
1171
2172
3
4
5
6173
7174
8175
9176
10
11
12177
13178
14179
15180
16181
17
18
19182
20183
21184
22185
23186
24
25
26187
27188
28189
29190
30191
Weekend day
Public holiday: Labor Day
October 1977
252 working days
Mon
Tue
Wed
Thu
Fri
Sat
Sun
1
2
3192
4193
5194
6195
7196
8
9
10
11197
12198
13199
14200
15
16
17201
18202
19203
20204
21205
22
23
24
25206
26207
27208
28209
29
30
31210
Weekend day
Public holiday: Columbus Day
Public holiday: Veterans Day
November 1977
252 working days
Mon
Tue
Wed
Thu
Fri
Sat
Sun
1211
2212
3213
4214
5
6
7215
8216
9217
10218
11219
12
13
14220
15221
16222
17223
18224
19
20
21225
22226
23227
24
25228
26
27
28229
29230
30231
Weekend day
Public holiday: Thanksgiving
December 1977
252 working days
Mon
Tue
Wed
Thu
Fri
Sat
Sun
1232
2233
3
4
5234
6235
7236
8237
9238
10
11
12239
13240
14241
15242
16243
17
18
19244
20245
21246
22247
23248
24
25
26
27249
28250
29251
30252
31
Weekend day
Public holiday: Christmas
Public holiday: Christmas (observance)

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Working days in a year:   ‹ 1976 | 1977 | 1978 ›
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