×
From to
:
I have to be at work
I know I want to be on vacation
?
I let the optimizer decide
EN | DE 
Language:



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

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