Working days


Sign in
Define a period
Fixed start date
Fixed end date
CALCULATOR
CALENDAR
TODO LIST
THE HOLIDAYS OPTIMIZER
BIRTHDAYS
DAILY COFFEE
SMART CALENDAR
How many working days and public holidays from  
+
-
 to 
+
-
▼
Days
+
-
▼
Working days
+
-
▼
Weekend days
+
-
▼
Public holidays
+
-
▼
Vacations

Working days numbering

Over the period from Tuesday, January 1, 1980 to Wednesday, December 31, 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: New Year's Day
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
18
1934
2035
2136
2237
23
24
2538
2639
2740
2841
2942
Weekend day
Public holiday: Washington's Birthday
March 1980
253 working days
Mon
Tue
Wed
Thu
Fri
Sat
Sun
1
2
343
444
545
646
747
8
9
1048
1149
1250
1351
1452
15
16
1753
1854
1955
2056
2157
22
23
2458
2559
2660
2761
2862
29
30
3163
Weekend day
April 1980
253 working days
Mon
Tue
Wed
Thu
Fri
Sat
Sun
164
265
366
467
5
6
768
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
May 1980
253 working days
Mon
Tue
Wed
Thu
Fri
Sat
Sun
186
287
3
4
588
689
790
891
992
10
11
1293
1394
1495
1596
1697
17
18
1998
2099
21100
22101
23102
24
25
26
27103
28104
29105
30106
31
Weekend day
Public holiday: Memorial Day
June 1980
253 working days
Mon
Tue
Wed
Thu
Fri
Sat
Sun
1
2107
3108
4109
5110
6111
7
8
9112
10113
11114
12115
13116
14
15
16117
17118
18119
19120
20121
21
22
23122
24123
25124
26125
27126
28
29
30127
Weekend day
July 1980
253 working days
Mon
Tue
Wed
Thu
Fri
Sat
Sun
1128
2129
3130
4
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: Independence Day
August 1980
253 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
253 working days
Mon
Tue
Wed
Thu
Fri
Sat
Sun
1
2171
3172
4173
5174
6
7
8175
9176
10177
11178
12179
13
14
15180
16181
17182
18183
19184
20
21
22185
23186
24187
25188
26189
27
28
29190
30191
Weekend day
Public holiday: Labor Day
October 1980
253 working days
Mon
Tue
Wed
Thu
Fri
Sat
Sun
1192
2193
3194
4
5
6195
7196
8197
9198
10199
11
12
13
14200
15201
16202
17203
18
19
20204
21205
22206
23207
24208
25
26
27209
28210
29211
30212
31213
Weekend day
Public holiday: Columbus Day
November 1980
253 working days
Mon
Tue
Wed
Thu
Fri
Sat
Sun
1
2
3214
4215
5216
6217
7218
8
9
10219
11
12220
13221
14222
15
16
17223
18224
19225
20226
21227
22
23
24228
25229
26230
27
28231
29
30
Weekend day
Public holiday: Veterans Day
Public holiday: Thanksgiving
December 1980
253 working days
Mon
Tue
Wed
Thu
Fri
Sat
Sun
1232
2233
3234
4235
5236
6
7
8237
9238
10239
11240
12241
13
14
15242
16243
17244
18245
19246
20
21
22247
23248
24249
25
26250
27
28
29251
30252
31253
Weekend day
Public holiday: Christmas

Simple tap to view day details.

Swipe left/right to change month.

Long press, then drag to select a period.

Selected period
Go Premium to remove ads & more
Export to Excel
Export as PDF
Reminder center
My planning
Working days in a year:   ‹ 1979 | 1980 | 1981 ›
{ API for developers }
Privacy policy
Legal notice
Contact page
The holidays optimizer
View in : Mobile | Standard