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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
254 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
254 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
254 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
254 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: Easter Monday
May 1980
254 working days
Mon
Tue
Wed
Thu
Fri
Sat
Sun
1
286
3
4
587
688
789
8
990
10
11
1291
1392
1493
1594
1695
17
18
1996
2097
2198
2299
23100
24
25
26101
27102
28103
29104
30105
31
Weekend day
Public holiday: Labour Day
Public holiday: Liberation Day
June 1980
254 working days
Mon
Tue
Wed
Thu
Fri
Sat
Sun
1
2106
3107
4108
5109
6110
7
8
9111
10112
11113
12114
13115
14
15
16116
17117
18118
19119
20120
21
22
23121
24122
25123
26124
27125
28
29
30126
Weekend day
July 1980
254 working days
Mon
Tue
Wed
Thu
Fri
Sat
Sun
1127
2128
3129
4130
5
6
7131
8132
9133
10134
11135
12
13
14136
15137
16138
17139
18140
19
20
21141
22142
23143
24144
25145
26
27
28146
29147
30148
31149
Weekend day
Public holiday: St Cyril and Methodius' Day
Public holiday: Jan Hus Day
August 1980
254 working days
Mon
Tue
Wed
Thu
Fri
Sat
Sun
1150
2
3
4151
5152
6153
7154
8155
9
10
11156
12157
13158
14159
15160
16
17
18161
19162
20163
21164
22165
23
24
25166
26167
27168
28169
29170
30
31
Weekend day
September 1980
254 working days
Mon
Tue
Wed
Thu
Fri
Sat
Sun
1171
2172
3173
4174
5175
6
7
8176
9177
10178
11179
12180
13
14
15181
16182
17183
18184
19185
20
21
22186
23187
24188
25189
26190
27
28
29191
30192
Weekend day
October 1980
254 working days
Mon
Tue
Wed
Thu
Fri
Sat
Sun
1193
2194
3195
4
5
6196
7197
8198
9199
10200
11
12
13201
14202
15203
16204
17205
18
19
20206
21207
22208
23209
24210
25
26
27211
28
29212
30213
31214
Weekend day
Public holiday: Independence Day
November 1980
254 working days
Mon
Tue
Wed
Thu
Fri
Sat
Sun
1
2
3215
4216
5217
6218
7219
8
9
10220
11221
12222
13223
14224
15
16
17225
18226
19227
20228
21229
22
23
24230
25231
26232
27233
28234
29
30
Weekend day
December 1980
254 working days
Mon
Tue
Wed
Thu
Fri
Sat
Sun
1235
2236
3237
4238
5239
6
7
8240
9241
10242
11243
12244
13
14
15245
16246
17247
18248
19249
20
21
22250
23251
24
25
26
27
28
29252
30253
31254
Weekend day
Public holiday: Christmas Eve
Public holiday: Christmas Day
Public holiday: St. Stephen's Day

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