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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
253 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: Neijoerschdag
February 1980
253 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
253 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
253 working days
Mon
Tue
Wed
Thu
Fri
Sat
Sun
165
266
367
468
5
6
7
869
970
1071
1172
12
13
1473
1574
1675
1776
1877
19
20
2178
2279
2380
2481
2582
26
27
2883
2984
3085
Weekend day
Public holiday: Ouschterméindeg
May 1980
253 working days
Mon
Tue
Wed
Thu
Fri
Sat
Sun
1
286
3
4
587
688
789
890
991
10
11
1292
1393
1494
15
1695
17
18
1996
2097
2198
2299
23100
24
25
26
27101
28102
29103
30104
31
Weekend day
Public holiday: Dag vun der Aarbecht
Public holiday: Christi Himmelfaart
Public holiday: Péngschtméindeg
June 1980
253 working days
Mon
Tue
Wed
Thu
Fri
Sat
Sun
1
2105
3106
4107
5108
6109
7
8
9110
10111
11112
12113
13114
14
15
16115
17116
18117
19118
20119
21
22
23
24120
25121
26122
27123
28
29
30124
Weekend day
Public holiday: Nationalfeierdag
July 1980
253 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
253 working days
Mon
Tue
Wed
Thu
Fri
Sat
Sun
1148
2
3
4149
5150
6151
7152
8153
9
10
11154
12155
13156
14157
15
16
17
18158
19159
20160
21161
22162
23
24
25163
26164
27165
28166
29167
30
31
Weekend day
Public holiday: Léiffrawëschdag
September 1980
253 working days
Mon
Tue
Wed
Thu
Fri
Sat
Sun
1168
2169
3170
4171
5172
6
7
8173
9174
10175
11176
12177
13
14
15178
16179
17180
18181
19182
20
21
22183
23184
24185
25186
26187
27
28
29188
30189
Weekend day
October 1980
253 working days
Mon
Tue
Wed
Thu
Fri
Sat
Sun
1190
2191
3192
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
31212
Weekend day
November 1980
253 working days
Mon
Tue
Wed
Thu
Fri
Sat
Sun
1
2
3213
4214
5215
6216
7217
8
9
10218
11219
12220
13221
14222
15
16
17223
18224
19225
20226
21227
22
23
24228
25229
26230
27231
28232
29
30
Weekend day
Public holiday: Allerhellegen
December 1980
253 working days
Mon
Tue
Wed
Thu
Fri
Sat
Sun
1233
2234
3235
4236
5237
6
7
8238
9239
10240
11241
12242
13
14
15243
16244
17245
18246
19247
20
21
22248
23249
24250
25
26
27
28
29251
30252
31253
Weekend day
Public holiday: Chrëschtdag
Public holiday: Stiefesdag

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