×
From to
:
I have to be at work
I know I want to be on vacation
?
I let the optimizer decide
Weekend days
Working days
Public holidays
EN | ES 
Language:



Español
Français
Português
Italiano
Deutsch
..in the USA
|  South Dakota
SAT-SUN
Country :
Calendar
School holidays :
Weekend days:
Sunday
Monday
Tuesday
Wednesday
Thursday
Friday
Saturday
SAVE
The Holidays      ptimizer
It tells you when to take your days off to maximize the length of your vacation
 ▶
Optimize it
I would like to take
days off
from  
1 2 3 4 5 6 7 9 10 11 12
 to 
1 2 3 4 5 6 7 9 10 11 12
Before running the optimizer, clicking on the days of the calendar you can define:
the days you must necessarily be at work ()
the days you want to be on holidays for sure ()
February 2021
week
mon
tue
wed
thu
fri
sat
sun
05
06
07
08
23
15
0
0
+
×
24
15
1
0
+
×
25
15
2
0
+
×
26
15
3
0
+
×
27
15
4
0
+
×
28
15
5
0
+
×
09
10
March 2021
week
mon
tue
wed
thu
fri
sat
sun
09
01
15
6
0
+
×
02
15
7
0
+
×
03
15
8
0
+
×
04
15
9
0
+
×
05
15
10
0
+
×
06
15
11
0
+
×
07
15
12
0
+
×
10
08
15
13
0
+
×
09
15
14
0
+
×
10
15
15
0
+
×
11
15
16
0
+
×
12
15
17
0
+
×
13
15
18
0
+
×
14
15
19
0
+
×
11
15
15
20
0
+
×
16
15
21
0
+
×
17
15
22
0
+
×
18
15
23
0
+
×
19
15
24
0
+
×
20
15
25
0
+
×
21
15
26
0
+
×
12
22
15
27
0
+
×
23
15
28
0
+
×
24
15
29
0
+
×
25
15
30
0
+
×
26
15
31
0
+
×
27
15
32
0
+
×
28
15
33
0
+
×
13
29
15
34
0
+
×
30
15
35
0
+
×
31
15
36
0
+
×
14
April 2021
week
mon
tue
wed
thu
fri
sat
sun
13
01
15
37
0
+
×
02
15
38
0
+
×
03
15
39
0
+
×
04
15
40
0
+
×
14
05
15
41
0
+
×
06
15
42
0
+
×
07
15
43
0
+
×
08
15
44
0
+
×
09
15
45
0
+
×
10
15
46
0
+
×
11
15
47
0
+
×
15
12
15
48
0
+
×
13
15
49
0
+
×
14
15
50
0
+
×
15
15
51
0
+
×
16
15
52
0
+
×
17
15
53
0
+
×
18
15
54
0
+
×
16
19
15
55
0
+
×
20
15
56
0
+
×
21
15
57
0
+
×
22
15
58
0
+
×
23
15
59
0
+
×
24
15
60
0
+
×
25
15
61
0
+
×
17
26
15
62
0
+
×
27
15
63
0
+
×
28
15
64
0
+
×
29
15
65
0
+
×
30
15
66
0
+
×
18
May 2021
week
mon
tue
wed
thu
fri
sat
sun
17
01
15
67
0
+
×
02
15
68
0
+
×
18
03
15
69
0
+
×
04
15
70
0
+
×
05
15
71
0
+
×
06
15
72
0
+
×
07
15
73
0
+
×
08
15
74
0
+
×
09
15
75
0
+
×
19
10
15
76
0
+
×
11
15
77
0
+
×
12
15
78
0
+
×
13
15
79
0
+
×
14
15
80
0
+
×
15
15
81
0
+
×
16
15
82
0
+
×
20
17
15
83
0
+
×
18
15
84
0
+
×
19
15
85
0
+
×
20
15
86
0
+
×
21
15
87
0
+
×
22
15
88
0
+
×
23
15
89
0
+
×
21
24
15
90
0
+
×
25
15
91
0
+
×
26
15
92
0
+
×
27
15
93
0
+
×
28
15
94
0
+
×
29
15
95
0
+
×
30
15
96
0
+
×
22
31
15
97
0
Memorial Day
+
×
 
June 2021
week
mon
tue
wed
thu
fri
sat
sun
22
01
15
98
0
+
×
02
15
99
0
+
×
03
15
100
0
+
×
04
15
101
0
+
×
05
15
102
0
+
×
06
15
103
0
+
×
23
07
15
104
0
+
×
08
15
105
0
+
×
09
15
106
0
+
×
10
15
107
0
+
×
11
15
108
0
+
×
12
15
109
0
+
×
13
15
110
0
+
×
24
14
15
111
0
+
×
15
15
112
0
+
×
16
15
113
0
+
×
17
15
114
0
+
×
18
15
115
0
+
×
19
15
116
0
+
×
20
15
117
0
+
×
25
21
15
118
0
+
×
22
15
119
0
+
×
23
15
120
0
+
×
24
15
121
0
+
×
25
15
122
0
+
×
26
15
123
0
+
×
27
15
124
0
+
×
26
28
15
125
0
+
×
29
15
126
0
+
×
30
15
127
0
+
×
27
July 2021
week
mon
tue
wed
thu
fri
sat
sun
26
01
15
128
0
+
×
02
15
129
0
+
×
03
15
130
0
+
×
04
15
131
0
Independence Day
+
×
27
05
15
132
0
Independence Day Obs.
+
×
06
15
133
0
+
×
07
15
134
0
+
×
08
15
135
0
+
×
09
15
136
0
+
×
10
15
137
0
+
×
11
15
138
0
+
×
28
12
15
139
0
+
×
13
15
140
0
+
×
14
15
141
0
+
×
15
15
142
0
+
×
16
15
143
0
+
×
17
15
144
0
+
×
18
15
145
0
+
×
29
19
15
146
0
+
×
20
15
147
0
+
×
21
15
148
0
+
×
22
15
149
0
+
×
23
15
150
0
+
×
24
15
151
0
+
×
25
15
152
0
+
×
30
26
15
153
0
+
×
27
15
154
0
+
×
28
15
155
0
+
×
29
15
156
0
+
×
30
15
157
0
+
×
31
15
158
0
+
×
31
August 2021
week
mon
tue
wed
thu
fri
sat
sun
30
01
15
159
0
+
×
31
02
15
160
0
+
×
03
15
161
0
+
×
04
15
162
0
+
×
05
15
163
0
+
×
06
15
164
0
+
×
07
15
165
0
+
×
08
15
166
0
+
×
32
09
15
167
0
+
×
10
15
168
0
+
×
11
15
169
0
+
×
12
15
170
0
+
×
13
15
171
0
+
×
14
15
172
0
+
×
15
15
173
0
+
×
33
16
15
174
0
+
×
17
15
175
0
+
×
18
15
176
0
+
×
19
15
177
0
+
×
20
15
178
0
+
×
21
15
179
0
+
×
22
15
180
0
+
×
34
23
15
181
0
+
×
24
15
182
0
+
×
25
15
183
0
+
×
26
15
184
0
+
×
27
15
185
0
+
×
28
15
186
0
+
×
29
15
187
0
+
×
35
30
15
188
0
+
×
31
15
189
0
+
×
September 2021
week
mon
tue
wed
thu
fri
sat
sun
35
01
15
190
0
+
×
02
15
191
0
+
×
03
15
192
0
+
×
04
15
193
0
+
×
05
15
194
0
+
×
36
06
15
195
0
Labor Day
+
×
07
15
196
0
+
×
08
15
197
0
+
×
09
15
198
0
+
×
10
15
199
0
+
×
11
15
200
0
+
×
12
15
201
0
+
×
37
13
15
202
0
+
×
14
15
203
0
+
×
15
15
204
0
+
×
16
15
205
0
+
×
17
15
206
0
+
×
18
15
207
0
+
×
19
15
208
0
+
×
38
20
15
209
0
+
×
21
15
210
0
+
×
22
15
211
0
+
×
23
15
212
0
+
×
24
15
213
0
+
×
25
15
214
0
+
×
26
15
215
0
+
×
39
27
15
216
0
+
×
28
15
217
0
+
×
29
15
218
0
+
×
30
15
219
0
+
×
40
October 2021
week
mon
tue
wed
thu
fri
sat
sun
39
01
15
220
0
+
×
02
15
221
0
+
×
03
15
222
0
+
×
40
04
15
223
0
+
×
05
15
224
0
+
×
06
15
225
0
+
×
07
15
226
0
+
×
08
15
227
0
+
×
09
15
228
0
+
×
10
15
229
0
+
×
41
11
15
230
0
+
×
12
15
231
0
+
×
13
15
232
0
+
×
14
15
233
0
+
×
15
15
234
0
+
×
16
15
235
0
+
×
17
15
236
0
+
×
42
18
15
237
0
+
×
19
15
238
0
+
×
20
15
239
0
+
×
21
15
240
0
+
×
22
15
241
0
+
×
23
15
242
0
+
×
24
15
243
0
+
×
43
25
15
244
0
+
×
26
15
245
0
+
×
27
15
246
0
+
×
28
15
247
0
+
×
29
15
248
0
+
×
30
15
249
0
+
×
31
15
250
0
+
×
44
November 2021
week
mon
tue
wed
thu
fri
sat
sun
44
01
15
251
0
+
×
02
15
252
0
+
×
03
15
253
0
+
×
04
15
254
0
+
×
05
15
255
0
+
×
06
15
256
0
+
×
07
15
257
0
+
×
45
08
15
258
0
+
×
09
15
259
0
+
×
10
15
260
0
+
×
11
15
261
0
Veterans Day
+
×
12
15
262
0
+
×
13
15
263
0
+
×
14
15
264
0
+
×
46
15
15
265
0
+
×
16
15
266
0
+
×
17
15
267
0
+
×
18
15
268
0
+
×
19
15
269
0
+
×
20
15
270
0
+
×
21
15
271
0
+
×
47
22
15
272
0
+
×
23
15
273
0
+
×
24
15
274
0
+
×
25
15
275
0
Thanksgiving
+
×
26
15
276
0
+
×
27
15
277
0
+
×
28
15
278
0
+
×
48
29
15
279
0
+
×
30
15
280
0
+
×
49
December 2021
week
mon
tue
wed
thu
fri
sat
sun
48
01
15
281
0
+
×
02
15
282
0
+
×
03
15
283
0
+
×
04
15
284
0
+
×
05
15
285
0
+
×
49
06
15
286
0
+
×
07
15
287
0
+
×
08
15
288
0
+
×
09
15
289
0
+
×
10
15
290
0
+
×
11
15
291
0
+
×
12
15
292
0
+
×
50
13
15
293
0
+
×
14
15
294
0
+
×
15
15
295
0
+
×
16
15
296
0
+
×
17
15
297
0
+
×
18
15
298
0
+
×
19
15
299
0
+
×
51
20
15
300
0
+
×
21
15
301
0
+
×
22
15
302
0
+
×
23
15
303
0
+
×
24
15
304
0
Christmas Observance
+
×
25
15
305
0
Christmas
+
×
26
15
306
0
+
×
52
27
15
307
0
+
×
28
15
308
0
+
×
29
15
309
0
+
×
30
15
310
0
+
×
31
15
311
0
New Year's Day Obs
+
×
01
January 2022
week
mon
tue
wed
thu
fri
sat
sun
52
01
15
312
0
New Year's Day
+
×
02
15
313
0
+
×
01
03
15
314
0
+
×
04
15
315
0
+
×
05
15
316
0
+
×
06
15
317
0
+
×
07
15
318
0
+
×
08
15
319
0
+
×
09
15
320
0
+
×
02
10
15
321
0
+
×
11
15
322
0
+
×
12
15
323
0
+
×
13
15
324
0
+
×
14
15
325
0
+
×
15
15
326
0
+
×
16
15
327
0
+
×
03
17
15
328
0
Martin Luther King Day
+
×
18
15
329
0
+
×
19
15
330
0
+
×
20
15
331
0
+
×
21
15
332
0
+
×
22
15
333
0
+
×
23
15
334
0
+
×
04
24
15
335
0
+
×
25
15
336
0
+
×
26
15
337
0
+
×
27
15
338
0
+
×
28
15
339
0
+
×
29
15
340
0
+
×
30
15
341
0
+
×
05
31
15
342
0
+
×
February 2022
week
mon
tue
wed
thu
fri
sat
sun
05
01
15
343
0
+
×
02
15
344
0
+
×
03
15
345
0
+
×
04
15
346
0
+
×
05
15
347
0
+
×
06
15
348
0
+
×
06
07
15
349
0
+
×
08
15
350
0
+
×
09
15
351
0
+
×
10
15
352
0
+
×
11
15
353
0
+
×
12
15
354
0
+
×
13
15
355
0
+
×
07
14
15
356
0
+
×
15
15
357
0
+
×
16
15
358
0
+
×
17
15
359
0
+
×
18
15
360
0
+
×
19
15
361
0
+
×
20
15
362
0
+
×
08
21
15
363
0
President's Day
+
×
22
15
364
0
+
×
23
15
365
0
+
×
09
10
 
Public holidays
Weekend days
Days to take
Holidays
Days to take:
You can now adjust the optimization by clicking on the calendar
Holidays length:
Optimization factor:
?
Copy
Share your result!
A suggestion?
A question or an error to report?

Do not hesitate to reach us at:
contact@workingdays.org