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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 ()
March 2019
week
mon
tue
wed
thu
fri
sat
sun
09
10
11
12
13
26
15
0
0
+
×
27
15
1
0
+
×
28
15
2
0
+
×
29
15
3
0
+
×
30
15
4
0
+
×
31
15
5
0
+
×
14
April 2019
week
mon
tue
wed
thu
fri
sat
sun
14
01
15
6
0
+
×
02
15
7
0
+
×
03
15
8
0
+
×
04
15
9
0
+
×
05
15
10
0
Qing Ming Festival
+
×
06
15
11
0
Qing Ming Festival
+
×
07
15
12
0
Qing Ming Festival
+
×
15
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
+
×
16
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
+
×
17
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
+
×
18
29
15
34
0
+
×
30
15
35
0
+
×
19
May 2019
week
mon
tue
wed
thu
fri
sat
sun
18
01
15
36
0
Labour Day
+
×
02
15
37
0
Labour Day
+
×
03
15
38
0
Labour Day
+
×
04
15
39
0
Labour Day
+
×
05
15
40
0
+
×
19
06
15
41
0
+
×
07
15
42
0
+
×
08
15
43
0
+
×
09
15
44
0
+
×
10
15
45
0
+
×
11
15
46
0
+
×
12
15
47
0
+
×
20
13
15
48
0
+
×
14
15
49
0
+
×
15
15
50
0
+
×
16
15
51
0
+
×
17
15
52
0
+
×
18
15
53
0
+
×
19
15
54
0
+
×
21
20
15
55
0
+
×
21
15
56
0
+
×
22
15
57
0
+
×
23
15
58
0
+
×
24
15
59
0
+
×
25
15
60
0
+
×
26
15
61
0
+
×
22
27
15
62
0
+
×
28
15
63
0
+
×
29
15
64
0
+
×
30
15
65
0
+
×
31
15
66
0
+
×
23
June 2019
week
mon
tue
wed
thu
fri
sat
sun
22
01
15
67
0
+
×
02
15
68
0
+
×
23
03
15
69
0
+
×
04
15
70
0
+
×
05
15
71
0
+
×
06
15
72
0
+
×
07
15
73
0
Dragon Boat Festival
+
×
08
15
74
0
Dragon Boat Festival
+
×
09
15
75
0
Dragon Boat Festival
+
×
24
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
+
×
25
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
+
×
26
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
+
×
27
 
July 2019
week
mon
tue
wed
thu
fri
sat
sun
27
01
15
97
0
+
×
02
15
98
0
+
×
03
15
99
0
+
×
04
15
100
0
+
×
05
15
101
0
+
×
06
15
102
0
+
×
07
15
103
0
+
×
28
08
15
104
0
+
×
09
15
105
0
+
×
10
15
106
0
+
×
11
15
107
0
+
×
12
15
108
0
+
×
13
15
109
0
+
×
14
15
110
0
+
×
29
15
15
111
0
+
×
16
15
112
0
+
×
17
15
113
0
+
×
18
15
114
0
+
×
19
15
115
0
+
×
20
15
116
0
+
×
21
15
117
0
+
×
30
22
15
118
0
+
×
23
15
119
0
+
×
24
15
120
0
+
×
25
15
121
0
+
×
26
15
122
0
+
×
27
15
123
0
+
×
28
15
124
0
+
×
31
29
15
125
0
+
×
30
15
126
0
+
×
31
15
127
0
+
×
32
August 2019
week
mon
tue
wed
thu
fri
sat
sun
31
01
15
128
0
+
×
02
15
129
0
+
×
03
15
130
0
+
×
04
15
131
0
+
×
32
05
15
132
0
+
×
06
15
133
0
+
×
07
15
134
0
+
×
08
15
135
0
+
×
09
15
136
0
+
×
10
15
137
0
+
×
11
15
138
0
+
×
33
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
+
×
34
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
+
×
35
26
15
153
0
+
×
27
15
154
0
+
×
28
15
155
0
+
×
29
15
156
0
+
×
30
15
157
0
+
×
31
15
158
0
+
×
36
September 2019
week
mon
tue
wed
thu
fri
sat
sun
35
01
15
159
0
+
×
36
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
+
×
37
09
15
167
0
+
×
10
15
168
0
+
×
11
15
169
0
+
×
12
15
170
0
+
×
13
15
171
0
Mid-Autumn Festival
+
×
14
15
172
0
Mid-Autumn Festival
+
×
15
15
173
0
Mid-Autumn Festival
+
×
38
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
+
×
39
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
+
×
40
30
15
188
0
+
×
October 2019
week
mon
tue
wed
thu
fri
sat
sun
40
01
15
189
0
National day
+
×
02
15
190
0
National day
+
×
03
15
191
0
National day
+
×
04
15
192
0
National day
+
×
05
15
193
0
National day
+
×
06
15
194
0
National day
+
×
41
07
15
195
0
National day
+
×
08
15
196
0
+
×
09
15
197
0
+
×
10
15
198
0
+
×
11
15
199
0
+
×
12
15
200
0
+
×
13
15
201
0
+
×
42
14
15
202
0
+
×
15
15
203
0
+
×
16
15
204
0
+
×
17
15
205
0
+
×
18
15
206
0
+
×
19
15
207
0
+
×
20
15
208
0
+
×
43
21
15
209
0
+
×
22
15
210
0
+
×
23
15
211
0
+
×
24
15
212
0
+
×
25
15
213
0
+
×
26
15
214
0
+
×
27
15
215
0
+
×
44
28
15
216
0
+
×
29
15
217
0
+
×
30
15
218
0
+
×
31
15
219
0
+
×
45
November 2019
week
mon
tue
wed
thu
fri
sat
sun
44
01
15
220
0
+
×
02
15
221
0
+
×
03
15
222
0
+
×
45
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
+
×
46
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
+
×
47
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
+
×
48
25
15
244
0
+
×
26
15
245
0
+
×
27
15
246
0
+
×
28
15
247
0
+
×
29
15
248
0
+
×
30
15
249
0
+
×
49
December 2019
week
mon
tue
wed
thu
fri
sat
sun
48
01
15
250
0
+
×
49
02
15
251
0
+
×
03
15
252
0
+
×
04
15
253
0
+
×
05
15
254
0
+
×
06
15
255
0
+
×
07
15
256
0
+
×
08
15
257
0
+
×
50
09
15
258
0
+
×
10
15
259
0
+
×
11
15
260
0
+
×
12
15
261
0
+
×
13
15
262
0
+
×
14
15
263
0
+
×
15
15
264
0
+
×
51
16
15
265
0
+
×
17
15
266
0
+
×
18
15
267
0
+
×
19
15
268
0
+
×
20
15
269
0
+
×
21
15
270
0
+
×
22
15
271
0
+
×
52
23
15
272
0
+
×
24
15
273
0
+
×
25
15
274
0
+
×
26
15
275
0
+
×
27
15
276
0
+
×
28
15
277
0
+
×
29
15
278
0
+
×
01
30
15
279
0
+
×
31
15
280
0
New Year's Day
+
×
January 2020
week
mon
tue
wed
thu
fri
sat
sun
01
01
15
281
0
New Year's Day-d3
+
×
02
15
282
0
Laba Festival
+
×
03
15
283
0
+
×
04
15
284
0
+
×
05
15
285
0
+
×
02
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
+
×
03
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
+
×
04
20
15
300
0
+
×
21
15
301
0
+
×
22
15
302
0
+
×
23
15
303
0
+
×
24
15
304
0
Chinese New Year week d1
+
×
25
15
305
0
Chinese New Year week d2
+
×
26
15
306
0
Chinese New Year week d3
+
×
05
27
15
307
0
Chinese New Year week d4
+
×
28
15
308
0
Chinese New Year week d5
+
×
29
15
309
0
Chinese New Year week d6
+
×
30
15
310
0
Chinese New Year week d7
+
×
31
15
311
0
+
×
06
February 2020
week
mon
tue
wed
thu
fri
sat
sun
05
01
15
312
0
+
×
02
15
313
0
+
×
06
03
15
314
0
+
×
04
15
315
0
+
×
05
15
316
0
+
×
06
15
317
0
+
×
07
15
318
0
+
×
08
15
319
0
Lantern Festival
+
×
09
15
320
0
+
×
07
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
+
×
08
17
15
328
0
+
×
18
15
329
0
+
×
19
15
330
0
+
×
20
15
331
0
+
×
21
15
332
0
+
×
22
15
333
0
+
×
23
15
334
0
+
×
09
24
15
335
0
Blue Dragon Festival
+
×
25
15
336
0
+
×
26
15
337
0
+
×
27
15
338
0
+
×
28
15
339
0
+
×
29
15
340
0
+
×
10
March 2020
week
mon
tue
wed
thu
fri
sat
sun
09
01
15
341
0
+
×
10
02
15
342
0
+
×
03
15
343
0
+
×
04
15
344
0
+
×
05
15
345
0
+
×
06
15
346
0
+
×
07
15
347
0
+
×
08
15
348
0
Women's Day
+
×
11
09
15
349
0
+
×
10
15
350
0
+
×
11
15
351
0
+
×
12
15
352
0
Arbor Day
+
×
13
15
353
0
+
×
14
15
354
0
+
×
15
15
355
0
+
×
12
16
15
356
0
+
×
17
15
357
0
+
×
18
15
358
0
+
×
19
15
359
0
+
×
20
15
360
0
+
×
21
15
361
0
+
×
22
15
362
0
+
×
13
23
15
363
0
+
×
24
15
364
0
+
×
25
15
365
0
+
×
26
15
366
0
Shangsi Festival
+
×
14
 
Public holidays
Weekend days
Days to take
Holidays
Days to take:
45
Holidays length:
12
Optimization factor:
?
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