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From to
:
I have to be at work
I know I want to be on vacation
?
I let the optimizer decide
Weekend days
Working days
Public holidays
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SAT-SUN
Country :
Calendar
School holidays :
Weekend days:
Sunday
Monday
Tuesday
Wednesday
Thursday
Friday
Saturday
SAVE
The Holidays      ptimizer
It tells you when to take your days off to maximize the length of your vacation
 ▶
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 2020
week
mon
tue
wed
thu
fri
sat
sun
23
02
15
0
0
+
×
03
15
1
0
+
×
04
15
2
0
+
×
05
15
3
0
+
×
06
15
4
0
+
×
07
15
5
0
+
×
24
08
15
6
0
+
×
09
15
7
0
+
×
10
15
8
0
+
×
11
15
9
0
+
×
12
15
10
0
+
×
13
15
11
0
+
×
14
15
12
0
+
×
25
15
15
13
0
+
×
16
15
14
0
+
×
17
15
15
0
+
×
18
15
16
0
+
×
19
15
17
0
+
×
20
15
18
0
+
×
21
15
19
0
+
×
26
22
15
20
0
+
×
23
15
21
0
+
×
24
15
22
0
+
×
25
15
23
0
+
×
26
15
24
0
+
×
27
15
25
0
+
×
28
15
26
0
+
×
27
29
15
27
0
+
×
30
15
28
0
+
×
28
July 2020
week
mon
tue
wed
thu
fri
sat
sun
27
01
15
29
0
+
×
02
15
30
0
+
×
03
15
31
0
+
×
04
15
32
0
+
×
05
15
33
0
+
×
28
06
15
34
0
+
×
07
15
35
0
+
×
08
15
36
0
+
×
09
15
37
0
+
×
10
15
38
0
+
×
11
15
39
0
+
×
12
15
40
0
+
×
29
13
15
41
0
+
×
14
15
42
0
+
×
15
15
43
0
+
×
16
15
44
0
+
×
17
15
45
0
+
×
18
15
46
0
+
×
19
15
47
0
+
×
30
20
15
48
0
+
×
21
15
49
0
+
×
22
15
50
0
+
×
23
15
51
0
+
×
24
15
52
0
+
×
25
15
53
0
+
×
26
15
54
0
+
×
31
27
15
55
0
+
×
28
15
56
0
+
×
29
15
57
0
+
×
30
15
58
0
+
×
31
15
59
0
+
×
32
August 2020
week
mon
tue
wed
thu
fri
sat
sun
31
01
15
60
0
+
×
02
15
61
0
+
×
32
03
15
62
0
+
×
04
15
63
0
+
×
05
15
64
0
+
×
06
15
65
0
+
×
07
15
66
0
+
×
08
15
67
0
+
×
09
15
68
0
+
×
33
10
15
69
0
+
×
11
15
70
0
+
×
12
15
71
0
+
×
13
15
72
0
+
×
14
15
73
0
+
×
15
15
74
0
+
×
16
15
75
0
+
×
34
17
15
76
0
+
×
18
15
77
0
+
×
19
15
78
0
+
×
20
15
79
0
+
×
21
15
80
0
+
×
22
15
81
0
+
×
23
15
82
0
+
×
35
24
15
83
0
+
×
25
15
84
0
+
×
26
15
85
0
+
×
27
15
86
0
+
×
28
15
87
0
+
×
29
15
88
0
+
×
30
15
89
0
+
×
36
31
15
90
0
+
×
September 2020
week
mon
tue
wed
thu
fri
sat
sun
36
01
15
91
0
+
×
02
15
92
0
+
×
03
15
93
0
+
×
04
15
94
0
+
×
05
15
95
0
+
×
06
15
96
0
+
×
37
07
15
97
0
+
×
08
15
98
0
+
×
09
15
99
0
+
×
10
15
100
0
+
×
11
15
101
0
+
×
12
15
102
0
+
×
13
15
103
0
+
×
38
14
15
104
0
+
×
15
15
105
0
+
×
16
15
106
0
+
×
17
15
107
0
+
×
18
15
108
0
+
×
19
15
109
0
+
×
20
15
110
0
+
×
39
21
15
111
0
+
×
22
15
112
0
+
×
23
15
113
0
+
×
24
15
114
0
+
×
25
15
115
0
+
×
26
15
116
0
+
×
27
15
117
0
+
×
40
28
15
118
0
+
×
29
15
119
0
+
×
30
15
120
0
+
×
41
 
October 2020
week
mon
tue
wed
thu
fri
sat
sun
40
01
15
121
0
+
×
02
15
122
0
+
×
03
15
123
0
+
×
04
15
124
0
+
×
41
05
15
125
0
+
×
06
15
126
0
+
×
07
15
127
0
+
×
08
15
128
0
+
×
09
15
129
0
+
×
10
15
130
0
+
×
11
15
131
0
+
×
42
12
15
132
0
+
×
13
15
133
0
+
×
14
15
134
0
+
×
15
15
135
0
+
×
16
15
136
0
+
×
17
15
137
0
+
×
18
15
138
0
+
×
43
19
15
139
0
+
×
20
15
140
0
+
×
21
15
141
0
+
×
22
15
142
0
+
×
23
15
143
0
+
×
24
15
144
0
+
×
25
15
145
0
+
×
44
26
15
146
0
+
×
27
15
147
0
+
×
28
15
148
0
+
×
29
15
149
0
+
×
30
15
150
0
+
×
31
15
151
0
+
×
45
November 2020
week
mon
tue
wed
thu
fri
sat
sun
44
01
15
152
0
+
×
45
02
15
153
0
+
×
03
15
154
0
+
×
04
15
155
0
+
×
05
15
156
0
+
×
06
15
157
0
+
×
07
15
158
0
+
×
08
15
159
0
+
×
46
09
15
160
0
+
×
10
15
161
0
+
×
11
15
162
0
+
×
12
15
163
0
+
×
13
15
164
0
+
×
14
15
165
0
+
×
15
15
166
0
+
×
47
16
15
167
0
+
×
17
15
168
0
+
×
18
15
169
0
+
×
19
15
170
0
+
×
20
15
171
0
+
×
21
15
172
0
+
×
22
15
173
0
+
×
48
23
15
174
0
+
×
24
15
175
0
+
×
25
15
176
0
+
×
26
15
177
0
+
×
27
15
178
0
+
×
28
15
179
0
+
×
29
15
180
0
+
×
49
30
15
181
0
+
×
December 2020
week
mon
tue
wed
thu
fri
sat
sun
49
01
15
182
0
+
×
02
15
183
0
+
×
03
15
184
0
+
×
04
15
185
0
+
×
05
15
186
0
+
×
06
15
187
0
+
×
50
07
15
188
0
+
×
08
15
189
0
+
×
09
15
190
0
+
×
10
15
191
0
+
×
11
15
192
0
+
×
12
15
193
0
+
×
13
15
194
0
+
×
51
14
15
195
0
+
×
15
15
196
0
+
×
16
15
197
0
+
×
17
15
198
0
+
×
18
15
199
0
+
×
19
15
200
0
+
×
20
15
201
0
+
×
52
21
15
202
0
+
×
22
15
203
0
+
×
23
15
204
0
+
×
24
15
205
0
+
×
25
15
206
0
Eerste Kerstdag
+
×
26
15
207
0
Tweede Kerstdag
+
×
27
15
208
0
+
×
53
28
15
209
0
+
×
29
15
210
0
+
×
30
15
211
0
+
×
31
15
212
0
+
×
01
January 2021
week
mon
tue
wed
thu
fri
sat
sun
53
01
15
213
0
Nieuwjaarsdag
+
×
02
15
214
0
+
×
03
15
215
0
+
×
01
04
15
216
0
+
×
05
15
217
0
+
×
06
15
218
0
+
×
07
15
219
0
+
×
08
15
220
0
+
×
09
15
221
0
+
×
10
15
222
0
+
×
02
11
15
223
0
+
×
12
15
224
0
+
×
13
15
225
0
+
×
14
15
226
0
+
×
15
15
227
0
+
×
16
15
228
0
+
×
17
15
229
0
+
×
03
18
15
230
0
+
×
19
15
231
0
+
×
20
15
232
0
+
×
21
15
233
0
+
×
22
15
234
0
+
×
23
15
235
0
+
×
24
15
236
0
+
×
04
25
15
237
0
+
×
26
15
238
0
+
×
27
15
239
0
+
×
28
15
240
0
+
×
29
15
241
0
+
×
30
15
242
0
+
×
31
15
243
0
+
×
05
February 2021
week
mon
tue
wed
thu
fri
sat
sun
05
01
15
244
0
+
×
02
15
245
0
+
×
03
15
246
0
+
×
04
15
247
0
+
×
05
15
248
0
+
×
06
15
249
0
+
×
07
15
250
0
+
×
06
08
15
251
0
+
×
09
15
252
0
+
×
10
15
253
0
+
×
11
15
254
0
+
×
12
15
255
0
+
×
13
15
256
0
+
×
14
15
257
0
+
×
07
15
15
258
0
+
×
16
15
259
0
+
×
17
15
260
0
+
×
18
15
261
0
+
×
19
15
262
0
+
×
20
15
263
0
+
×
21
15
264
0
+
×
08
22
15
265
0
+
×
23
15
266
0
+
×
24
15
267
0
+
×
25
15
268
0
+
×
26
15
269
0
+
×
27
15
270
0
+
×
28
15
271
0
+
×
09
10
March 2021
week
mon
tue
wed
thu
fri
sat
sun
09
01
15
272
0
+
×
02
15
273
0
+
×
03
15
274
0
+
×
04
15
275
0
+
×
05
15
276
0
+
×
06
15
277
0
+
×
07
15
278
0
+
×
10
08
15
279
0
+
×
09
15
280
0
+
×
10
15
281
0
+
×
11
15
282
0
+
×
12
15
283
0
+
×
13
15
284
0
+
×
14
15
285
0
+
×
11
15
15
286
0
+
×
16
15
287
0
+
×
17
15
288
0
+
×
18
15
289
0
+
×
19
15
290
0
+
×
20
15
291
0
+
×
21
15
292
0
+
×
12
22
15
293
0
+
×
23
15
294
0
+
×
24
15
295
0
+
×
25
15
296
0
+
×
26
15
297
0
+
×
27
15
298
0
+
×
28
15
299
0
+
×
13
29
15
300
0
+
×
30
15
301
0
+
×
31
15
302
0
+
×
14
April 2021
week
mon
tue
wed
thu
fri
sat
sun
13
01
15
303
0
+
×
02
15
304
0
Goede Vrijdag
+
×
03
15
305
0
+
×
04
15
306
0
Eerste Paasdag
+
×
14
05
15
307
0
Tweede Paasdag
+
×
06
15
308
0
+
×
07
15
309
0
+
×
08
15
310
0
+
×
09
15
311
0
+
×
10
15
312
0
+
×
11
15
313
0
+
×
15
12
15
314
0
+
×
13
15
315
0
+
×
14
15
316
0
+
×
15
15
317
0
+
×
16
15
318
0
+
×
17
15
319
0
+
×
18
15
320
0
+
×
16
19
15
321
0
+
×
20
15
322
0
+
×
21
15
323
0
+
×
22
15
324
0
+
×
23
15
325
0
+
×
24
15
326
0
+
×
25
15
327
0
+
×
17
26
15
328
0
+
×
27
15
329
0
Koningsdag
+
×
28
15
330
0
+
×
29
15
331
0
+
×
30
15
332
0
+
×
18
May 2021
week
mon
tue
wed
thu
fri
sat
sun
17
01
15
333
0
+
×
02
15
334
0
+
×
18
03
15
335
0
+
×
04
15
336
0
+
×
05
15
337
0
+
×
06
15
338
0
+
×
07
15
339
0
+
×
08
15
340
0
+
×
09
15
341
0
+
×
19
10
15
342
0
+
×
11
15
343
0
+
×
12
15
344
0
+
×
13
15
345
0
Hemelvaartsdag
+
×
14
15
346
0
+
×
15
15
347
0
+
×
16
15
348
0
+
×
20
17
15
349
0
+
×
18
15
350
0
+
×
19
15
351
0
+
×
20
15
352
0
+
×
21
15
353
0
+
×
22
15
354
0
+
×
23
15
355
0
Eerste Pinksterdag
+
×
21
24
15
356
0
Tweede Pinksterdag
+
×
25
15
357
0
+
×
26
15
358
0
+
×
27
15
359
0
+
×
28
15
360
0
+
×
29
15
361
0
+
×
30
15
362
0
+
×
22
31
15
363
0
+
×
June 2021
week
mon
tue
wed
thu
fri
sat
sun
22
01
15
364
0
+
×
02
15
365
0
+
×
23
24
25
26
27
 
Public holidays
Weekend days
Days to take
Holidays
Days to take:
You can now adjust the optimization by clicking on the calendar
Holidays length:
Optimization factor:
?
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