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