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