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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 Tuesday, 1 January, 1980 to Wednesday, 31 December, 1980

January 1980
251 working days
Mon
Tue
Wed
Thu
Fri
Sat
Sun
1
21
32
43
5
6
74
85
96
107
118
12
13
149
1510
1611
1712
1813
19
20
2114
2215
2316
2417
2518
26
27
2819
2920
3021
3122
Weekend day
Public holiday: New Year's Day
February 1980
251 working days
Mon
Tue
Wed
Thu
Fri
Sat
Sun
123
2
3
424
525
626
727
828
9
10
1129
1230
1331
1432
1533
16
17
1834
1935
2036
2137
2238
23
24
2539
2640
2741
2842
2943
Weekend day
March 1980
251 working days
Mon
Tue
Wed
Thu
Fri
Sat
Sun
1
2
344
445
546
647
748
8
9
1049
1150
1251
1352
1453
15
16
1754
1855
1956
2057
2158
22
23
2459
2560
2661
2762
2863
29
30
3164
Weekend day
April 1980
251 working days
Mon
Tue
Wed
Thu
Fri
Sat
Sun
165
266
367
4
5
6
7
868
969
1070
1171
12
13
1472
1573
1674
1775
1876
19
20
2177
2278
2379
2480
2581
26
27
2882
2983
3084
Weekend day
Public holiday: Good Friday
Public holiday: Easter Monday
May 1980
251 working days
Mon
Tue
Wed
Thu
Fri
Sat
Sun
1
285
3
4
586
687
788
889
990
10
11
1291
1392
1493
15
1694
17
18
1995
2096
2197
2298
2399
24
25
26
27100
28101
29102
30103
31
Weekend day
Public holiday: Labour Day
Public holiday: Ascension Day
Public holiday: Whit Monday
June 1980
251 working days
Mon
Tue
Wed
Thu
Fri
Sat
Sun
1
2104
3105
4106
5107
6108
7
8
9109
10110
11111
12112
13113
14
15
16114
17115
18116
19117
20118
21
22
23119
24120
25121
26122
27123
28
29
30124
Weekend day
July 1980
251 working days
Mon
Tue
Wed
Thu
Fri
Sat
Sun
1125
2126
3127
4128
5
6
7129
8130
9131
10132
11133
12
13
14134
15135
16136
17137
18138
19
20
21139
22140
23141
24142
25143
26
27
28144
29145
30146
31147
Weekend day
August 1980
251 working days
Mon
Tue
Wed
Thu
Fri
Sat
Sun
1148
2
3
4149
5150
6151
7152
8153
9
10
11154
12155
13156
14157
15158
16
17
18159
19160
20161
21162
22163
23
24
25164
26165
27166
28167
29168
30
31
Weekend day
September 1980
251 working days
Mon
Tue
Wed
Thu
Fri
Sat
Sun
1169
2170
3171
4172
5173
6
7
8174
9175
10176
11177
12178
13
14
15179
16180
17181
18182
19183
20
21
22184
23185
24186
25187
26188
27
28
29189
30190
Weekend day
October 1980
251 working days
Mon
Tue
Wed
Thu
Fri
Sat
Sun
1191
2192
3
4
5
6193
7194
8195
9196
10197
11
12
13198
14199
15200
16201
17202
18
19
20203
21204
22205
23206
24207
25
26
27208
28209
29210
30211
31
Weekend day
Public holiday: Day of German Unity
Public holiday: Reformation Day
November 1980
251 working days
Mon
Tue
Wed
Thu
Fri
Sat
Sun
1
2
3212
4213
5214
6215
7216
8
9
10217
11218
12219
13220
14221
15
16
17222
18223
19
20224
21225
22
23
24226
25227
26228
27229
28230
29
30
Weekend day
Public holiday: Day of Repentance and Prayer
December 1980
251 working days
Mon
Tue
Wed
Thu
Fri
Sat
Sun
1231
2232
3233
4234
5235
6
7
8236
9237
10238
11239
12240
13
14
15241
16242
17243
18244
19245
20
21
22246
23247
24248
25
26
27
28
29249
30250
31251
Weekend day
Public holiday: Christmas Day
Public holiday: Boxing Day

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Working days in a year:   ‹ 1979 | 1980 | 1981 ›
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