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I know I want to be on vacation
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Calendar
School holidays :
The Holidays      ptimizer
It tells you when to take your days off to maximize the length of your vacation
Calendar
 
Language
 ▶
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 ()
June 2019
week
mon
tue
wed
thu
fri
sat
sun
22
23
24
12
15
0
0
+
×
13
15
1
0
+
×
14
15
2
0
+
×
15
15
3
0
+
×
16
15
4
0
+
×
25
17
15
5
0
+
×
18
15
6
0
+
×
19
15
7
0
+
×
20
15
8
0
+
×
21
15
9
0
+
×
22
15
10
0
+
×
23
15
11
0
+
×
26
24
15
12
0
+
×
25
15
13
0
+
×
26
15
14
0
+
×
27
15
15
0
+
×
28
15
16
0
+
×
29
15
17
0
+
×
30
15
18
0
+
×
27
July 2019
week
mon
tue
wed
thu
fri
sat
sun
27
01
15
19
0
+
×
02
15
20
0
+
×
03
15
21
0
+
×
04
15
22
0
Independence Day
+
×
05
15
23
0
+
×
06
15
24
0
+
×
07
15
25
0
+
×
28
08
15
26
0
+
×
09
15
27
0
+
×
10
15
28
0
+
×
11
15
29
0
+
×
12
15
30
0
+
×
13
15
31
0
+
×
14
15
32
0
+
×
29
15
15
33
0
+
×
16
15
34
0
+
×
17
15
35
0
+
×
18
15
36
0
+
×
19
15
37
0
+
×
20
15
38
0
+
×
21
15
39
0
+
×
30
22
15
40
0
+
×
23
15
41
0
+
×
24
15
42
0
+
×
25
15
43
0
+
×
26
15
44
0
+
×
27
15
45
0
+
×
28
15
46
0
+
×
31
29
15
47
0
+
×
30
15
48
0
+
×
31
15
49
0
+
×
32
August 2019
week
mon
tue
wed
thu
fri
sat
sun
31
01
15
50
0
+
×
02
15
51
0
+
×
03
15
52
0
+
×
04
15
53
0
+
×
32
05
15
54
0
+
×
06
15
55
0
+
×
07
15
56
0
+
×
08
15
57
0
+
×
09
15
58
0
+
×
10
15
59
0
+
×
11
15
60
0
+
×
33
12
15
61
0
+
×
13
15
62
0
+
×
14
15
63
0
+
×
15
15
64
0
+
×
16
15
65
0
+
×
17
15
66
0
+
×
18
15
67
0
+
×
34
19
15
68
0
+
×
20
15
69
0
+
×
21
15
70
0
+
×
22
15
71
0
+
×
23
15
72
0
+
×
24
15
73
0
+
×
25
15
74
0
+
×
35
26
15
75
0
+
×
27
15
76
0
+
×
28
15
77
0
+
×
29
15
78
0
+
×
30
15
79
0
+
×
31
15
80
0
+
×
36
September 2019
week
mon
tue
wed
thu
fri
sat
sun
35
01
15
81
0
+
×
36
02
15
82
0
Labor Day
+
×
03
15
83
0
+
×
04
15
84
0
+
×
05
15
85
0
+
×
06
15
86
0
+
×
07
15
87
0
+
×
08
15
88
0
+
×
37
09
15
89
0
+
×
10
15
90
0
+
×
11
15
91
0
+
×
12
15
92
0
+
×
13
15
93
0
+
×
14
15
94
0
+
×
15
15
95
0
+
×
38
16
15
96
0
+
×
17
15
97
0
+
×
18
15
98
0
+
×
19
15
99
0
+
×
20
15
100
0
+
×
21
15
101
0
+
×
22
15
102
0
+
×
39
23
15
103
0
+
×
24
15
104
0
+
×
25
15
105
0
+
×
26
15
106
0
+
×
27
15
107
0
+
×
28
15
108
0
+
×
29
15
109
0
+
×
40
30
15
110
0
+
×
 
October 2019
week
mon
tue
wed
thu
fri
sat
sun
40
01
15
111
0
+
×
02
15
112
0
+
×
03
15
113
0
+
×
04
15
114
0
+
×
05
15
115
0
+
×
06
15
116
0
+
×
41
07
15
117
0
+
×
08
15
118
0
+
×
09
15
119
0
+
×
10
15
120
0
+
×
11
15
121
0
+
×
12
15
122
0
+
×
13
15
123
0
+
×
42
14
15
124
0
Columbus Day
+
×
15
15
125
0
+
×
16
15
126
0
+
×
17
15
127
0
+
×
18
15
128
0
+
×
19
15
129
0
+
×
20
15
130
0
+
×
43
21
15
131
0
+
×
22
15
132
0
+
×
23
15
133
0
+
×
24
15
134
0
+
×
25
15
135
0
+
×
26
15
136
0
+
×
27
15
137
0
+
×
44
28
15
138
0
+
×
29
15
139
0
+
×
30
15
140
0
+
×
31
15
141
0
+
×
45
November 2019
week
mon
tue
wed
thu
fri
sat
sun
44
01
15
142
0
+
×
02
15
143
0
+
×
03
15
144
0
+
×
45
04
15
145
0
+
×
05
15
146
0
+
×
06
15
147
0
+
×
07
15
148
0
+
×
08
15
149
0
+
×
09
15
150
0
+
×
10
15
151
0
+
×
46
11
15
152
0
+
×
12
15
153
0
+
×
13
15
154
0
+
×
14
15
155
0
+
×
15
15
156
0
+
×
16
15
157
0
+
×
17
15
158
0
+
×
47
18
15
159
0
+
×
19
15
160
0
+
×
20
15
161
0
+
×
21
15
162
0
+
×
22
15
163
0
+
×
23
15
164
0
+
×
24
15
165
0
+
×
48
25
15
166
0
+
×
26
15
167
0
+
×
27
15
168
0
+
×
28
15
169
0
Thanksgiving
+
×
29
15
170
0
+
×
30
15
171
0
+
×
49
December 2019
week
mon
tue
wed
thu
fri
sat
sun
48
01
15
172
0
+
×
49
02
15
173
0
+
×
03
15
174
0
+
×
04
15
175
0
+
×
05
15
176
0
+
×
06
15
177
0
+
×
07
15
178
0
+
×
08
15
179
0
+
×
50
09
15
180
0
+
×
10
15
181
0
+
×
11
15
182
0
+
×
12
15
183
0
+
×
13
15
184
0
+
×
14
15
185
0
+
×
15
15
186
0
+
×
51
16
15
187
0
+
×
17
15
188
0
+
×
18
15
189
0
+
×
19
15
190
0
+
×
20
15
191
0
+
×
21
15
192
0
+
×
22
15
193
0
+
×
52
23
15
194
0
+
×
24
15
195
0
+
×
25
15
196
0
Christmas
+
×
26
15
197
0
+
×
27
15
198
0
+
×
28
15
199
0
+
×
29
15
200
0
+
×
01
30
15
201
0
+
×
31
15
202
0
+
×
January 2020
week
mon
tue
wed
thu
fri
sat
sun
01
01
15
203
0
New Year's Day
+
×
02
15
204
0
+
×
03
15
205
0
+
×
04
15
206
0
+
×
05
15
207
0
+
×
02
06
15
208
0
+
×
07
15
209
0
+
×
08
15
210
0
+
×
09
15
211
0
+
×
10
15
212
0
+
×
11
15
213
0
+
×
12
15
214
0
+
×
03
13
15
215
0
+
×
14
15
216
0
+
×
15
15
217
0
+
×
16
15
218
0
+
×
17
15
219
0
+
×
18
15
220
0
+
×
19
15
221
0
+
×
04
20
15
222
0
+
×
21
15
223
0
+
×
22
15
224
0
+
×
23
15
225
0
+
×
24
15
226
0
+
×
25
15
227
0
+
×
26
15
228
0
+
×
05
27
15
229
0
+
×
28
15
230
0
+
×
29
15
231
0
+
×
30
15
232
0
+
×
31
15
233
0
+
×
06
February 2020
week
mon
tue
wed
thu
fri
sat
sun
05
01
15
234
0
+
×
02
15
235
0
+
×
06
03
15
236
0
+
×
04
15
237
0
+
×
05
15
238
0
+
×
06
15
239
0
+
×
07
15
240
0
+
×
08
15
241
0
+
×
09
15
242
0
+
×
07
10
15
243
0
+
×
11
15
244
0
+
×
12
15
245
0
+
×
13
15
246
0
+
×
14
15
247
0
+
×
15
15
248
0
+
×
16
15
249
0
+
×
08
17
15
250
0
+
×
18
15
251
0
+
×
19
15
252
0
+
×
20
15
253
0
+
×
21
15
254
0
+
×
22
15
255
0
+
×
23
15
256
0
+
×
09
24
15
257
0
+
×
25
15
258
0
+
×
26
15
259
0
+
×
27
15
260
0
+
×
28
15
261
0
+
×
29
15
262
0
+
×
10
March 2020
week
mon
tue
wed
thu
fri
sat
sun
09
01
15
263
0
+
×
10
02
15
264
0
+
×
03
15
265
0
+
×
04
15
266
0
+
×
05
15
267
0
+
×
06
15
268
0
+
×
07
15
269
0
+
×
08
15
270
0
+
×
11
09
15
271
0
+
×
10
15
272
0
+
×
11
15
273
0
+
×
12
15
274
0
+
×
13
15
275
0
+
×
14
15
276
0
+
×
15
15
277
0
+
×
12
16
15
278
0
+
×
17
15
279
0
+
×
18
15
280
0
+
×
19
15
281
0
+
×
20
15
282
0
+
×
21
15
283
0
+
×
22
15
284
0
+
×
13
23
15
285
0
+
×
24
15
286
0
+
×
25
15
287
0
+
×
26
15
288
0
+
×
27
15
289
0
+
×
28
15
290
0
+
×
29
15
291
0
+
×
14
30
15
292
0
+
×
31
15
293
0
+
×
April 2020
week
mon
tue
wed
thu
fri
sat
sun
14
01
15
294
0
+
×
02
15
295
0
+
×
03
15
296
0
+
×
04
15
297
0
+
×
05
15
298
0
+
×
15
06
15
299
0
+
×
07
15
300
0
+
×
08
15
301
0
+
×
09
15
302
0
+
×
10
15
303
0
+
×
11
15
304
0
+
×
12
15
305
0
+
×
16
13
15
306
0
+
×
14
15
307
0
+
×
15
15
308
0
+
×
16
15
309
0
+
×
17
15
310
0
+
×
18
15
311
0
+
×
19
15
312
0
+
×
17
20
15
313
0
+
×
21
15
314
0
+
×
22
15
315
0
+
×
23
15
316
0
+
×
24
15
317
0
+
×
25
15
318
0
+
×
26
15
319
0
+
×
18
27
15
320
0
+
×
28
15
321
0
+
×
29
15
322
0
+
×
30
15
323
0
+
×
19
May 2020
week
mon
tue
wed
thu
fri
sat
sun
18
01
15
324
0
+
×
02
15
325
0
+
×
03
15
326
0
+
×
19
04
15
327
0
+
×
05
15
328
0
+
×
06
15
329
0
+
×
07
15
330
0
+
×
08
15
331
0
+
×
09
15
332
0
+
×
10
15
333
0
+
×
20
11
15
334
0
+
×
12
15
335
0
+
×
13
15
336
0
+
×
14
15
337
0
+
×
15
15
338
0
+
×
16
15
339
0
+
×
17
15
340
0
+
×
21
18
15
341
0
+
×
19
15
342
0
+
×
20
15
343
0
+
×
21
15
344
0
+
×
22
15
345
0
+
×
23
15
346
0
+
×
24
15
347
0
+
×
22
25
15
348
0
Memorial Day
+
×
26
15
349
0
+
×
27
15
350
0
+
×
28
15
351
0
+
×
29
15
352
0
+
×
30
15
353
0
+
×
31
15
354
0
+
×
23
June 2020
week
mon
tue
wed
thu
fri
sat
sun
23
01
15
355
0
+
×
02
15
356
0
+
×
03
15
357
0
+
×
04
15
358
0
+
×
05
15
359
0
+
×
06
15
360
0
+
×
07
15
361
0
+
×
24
08
15
362
0
+
×
09
15
363
0
+
×
10
15
364
0
+
×
11
15
365
0
+
×
12
15
366
0
+
×
13
15
367
0
+
×
14
15
368
0
+
×
25
26
27
28
 
Public holidays
Weekend days
Days to take
Holidays
Days to take:
45
Holidays length:
12
Optimization factor:
?
Copy
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