×
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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|  National public holidays
SAT-SUN
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 ()
September 2020
week
Mon
Tue
Wed
Thu
Fri
Sat
Sun
36
37
38
18
15
0
0
+
×
19
15
1
0
+
×
20
15
2
0
+
×
39
21
15
3
0
+
×
22
15
4
0
+
×
23
15
5
0
+
×
24
15
6
0
+
×
25
15
7
0
+
×
26
15
8
0
+
×
27
15
9
0
+
×
40
28
15
10
0
+
×
29
15
11
0
+
×
30
15
12
0
+
×
41
October 2020
week
Mon
Tue
Wed
Thu
Fri
Sat
Sun
40
01
15
13
0
+
×
02
15
14
0
+
×
03
15
15
0
+
×
04
15
16
0
+
×
41
05
15
17
0
+
×
06
15
18
0
+
×
07
15
19
0
+
×
08
15
20
0
+
×
09
15
21
0
+
×
10
15
22
0
+
×
11
15
23
0
+
×
42
12
15
24
0
+
×
13
15
25
0
+
×
14
15
26
0
+
×
15
15
27
0
+
×
16
15
28
0
+
×
17
15
29
0
+
×
18
15
30
0
+
×
43
19
15
31
0
+
×
20
15
32
0
+
×
21
15
33
0
+
×
22
15
34
0
+
×
23
15
35
0
+
×
24
15
36
0
+
×
25
15
37
0
+
×
44
26
15
38
0
+
×
27
15
39
0
+
×
28
15
40
0
+
×
29
15
41
0
+
×
30
15
42
0
+
×
31
15
43
0
+
×
45
November 2020
week
Mon
Tue
Wed
Thu
Fri
Sat
Sun
44
01
15
44
0
All Saints' Day
+
×
45
02
15
45
0
+
×
03
15
46
0
+
×
04
15
47
0
+
×
05
15
48
0
+
×
06
15
49
0
+
×
07
15
50
0
+
×
08
15
51
0
+
×
46
09
15
52
0
+
×
10
15
53
0
+
×
11
15
54
0
Independence Day
+
×
12
15
55
0
+
×
13
15
56
0
+
×
14
15
57
0
+
×
15
15
58
0
+
×
47
16
15
59
0
+
×
17
15
60
0
+
×
18
15
61
0
+
×
19
15
62
0
+
×
20
15
63
0
+
×
21
15
64
0
+
×
22
15
65
0
+
×
48
23
15
66
0
+
×
24
15
67
0
+
×
25
15
68
0
+
×
26
15
69
0
+
×
27
15
70
0
+
×
28
15
71
0
+
×
29
15
72
0
+
×
49
30
15
73
0
+
×
December 2020
week
Mon
Tue
Wed
Thu
Fri
Sat
Sun
49
01
15
74
0
+
×
02
15
75
0
+
×
03
15
76
0
+
×
04
15
77
0
+
×
05
15
78
0
+
×
06
15
79
0
+
×
50
07
15
80
0
+
×
08
15
81
0
+
×
09
15
82
0
+
×
10
15
83
0
+
×
11
15
84
0
+
×
12
15
85
0
+
×
13
15
86
0
+
×
51
14
15
87
0
+
×
15
15
88
0
+
×
16
15
89
0
+
×
17
15
90
0
+
×
18
15
91
0
+
×
19
15
92
0
+
×
20
15
93
0
+
×
52
21
15
94
0
+
×
22
15
95
0
+
×
23
15
96
0
+
×
24
15
97
0
+
×
25
15
98
0
Christmas
+
×
26
15
99
0
Boxing Day
+
×
27
15
100
0
+
×
53
28
15
101
0
+
×
29
15
102
0
+
×
30
15
103
0
+
×
31
15
104
0
+
×
01
 
January 2021
week
Mon
Tue
Wed
Thu
Fri
Sat
Sun
53
01
15
105
0
New Year's Day
+
×
02
15
106
0
+
×
03
15
107
0
+
×
01
04
15
108
0
+
×
05
15
109
0
+
×
06
15
110
0
Epiphany
+
×
07
15
111
0
+
×
08
15
112
0
+
×
09
15
113
0
+
×
10
15
114
0
+
×
02
11
15
115
0
+
×
12
15
116
0
+
×
13
15
117
0
+
×
14
15
118
0
+
×
15
15
119
0
+
×
16
15
120
0
+
×
17
15
121
0
+
×
03
18
15
122
0
+
×
19
15
123
0
+
×
20
15
124
0
+
×
21
15
125
0
+
×
22
15
126
0
+
×
23
15
127
0
+
×
24
15
128
0
+
×
04
25
15
129
0
+
×
26
15
130
0
+
×
27
15
131
0
+
×
28
15
132
0
+
×
29
15
133
0
+
×
30
15
134
0
+
×
31
15
135
0
+
×
05
February 2021
week
Mon
Tue
Wed
Thu
Fri
Sat
Sun
05
01
15
136
0
+
×
02
15
137
0
+
×
03
15
138
0
+
×
04
15
139
0
+
×
05
15
140
0
+
×
06
15
141
0
+
×
07
15
142
0
+
×
06
08
15
143
0
+
×
09
15
144
0
+
×
10
15
145
0
+
×
11
15
146
0
+
×
12
15
147
0
+
×
13
15
148
0
+
×
14
15
149
0
+
×
07
15
15
150
0
+
×
16
15
151
0
+
×
17
15
152
0
+
×
18
15
153
0
+
×
19
15
154
0
+
×
20
15
155
0
+
×
21
15
156
0
+
×
08
22
15
157
0
+
×
23
15
158
0
+
×
24
15
159
0
+
×
25
15
160
0
+
×
26
15
161
0
+
×
27
15
162
0
+
×
28
15
163
0
+
×
09
10
March 2021
week
Mon
Tue
Wed
Thu
Fri
Sat
Sun
09
01
15
164
0
+
×
02
15
165
0
+
×
03
15
166
0
+
×
04
15
167
0
+
×
05
15
168
0
+
×
06
15
169
0
+
×
07
15
170
0
+
×
10
08
15
171
0
+
×
09
15
172
0
+
×
10
15
173
0
+
×
11
15
174
0
+
×
12
15
175
0
+
×
13
15
176
0
+
×
14
15
177
0
+
×
11
15
15
178
0
+
×
16
15
179
0
+
×
17
15
180
0
+
×
18
15
181
0
+
×
19
15
182
0
+
×
20
15
183
0
+
×
21
15
184
0
+
×
12
22
15
185
0
+
×
23
15
186
0
+
×
24
15
187
0
+
×
25
15
188
0
+
×
26
15
189
0
+
×
27
15
190
0
+
×
28
15
191
0
+
×
13
29
15
192
0
+
×
30
15
193
0
+
×
31
15
194
0
+
×
14
April 2021
week
Mon
Tue
Wed
Thu
Fri
Sat
Sun
13
01
15
195
0
+
×
02
15
196
0
+
×
03
15
197
0
+
×
04
15
198
0
Easter Sunday
+
×
14
05
15
199
0
Easter Monday
+
×
06
15
200
0
+
×
07
15
201
0
+
×
08
15
202
0
+
×
09
15
203
0
+
×
10
15
204
0
+
×
11
15
205
0
+
×
15
12
15
206
0
+
×
13
15
207
0
+
×
14
15
208
0
+
×
15
15
209
0
+
×
16
15
210
0
+
×
17
15
211
0
+
×
18
15
212
0
+
×
16
19
15
213
0
+
×
20
15
214
0
+
×
21
15
215
0
+
×
22
15
216
0
+
×
23
15
217
0
+
×
24
15
218
0
+
×
25
15
219
0
+
×
17
26
15
220
0
+
×
27
15
221
0
+
×
28
15
222
0
+
×
29
15
223
0
+
×
30
15
224
0
+
×
18
May 2021
week
Mon
Tue
Wed
Thu
Fri
Sat
Sun
17
01
15
225
0
Labour Day
+
×
02
15
226
0
+
×
18
03
15
227
0
Constitution Day
+
×
04
15
228
0
+
×
05
15
229
0
+
×
06
15
230
0
+
×
07
15
231
0
+
×
08
15
232
0
+
×
09
15
233
0
+
×
19
10
15
234
0
+
×
11
15
235
0
+
×
12
15
236
0
+
×
13
15
237
0
+
×
14
15
238
0
+
×
15
15
239
0
+
×
16
15
240
0
+
×
20
17
15
241
0
+
×
18
15
242
0
+
×
19
15
243
0
+
×
20
15
244
0
+
×
21
15
245
0
+
×
22
15
246
0
+
×
23
15
247
0
Pentecost Sunday
+
×
21
24
15
248
0
+
×
25
15
249
0
+
×
26
15
250
0
+
×
27
15
251
0
+
×
28
15
252
0
+
×
29
15
253
0
+
×
30
15
254
0
+
×
22
31
15
255
0
+
×
June 2021
week
Mon
Tue
Wed
Thu
Fri
Sat
Sun
22
01
15
256
0
+
×
02
15
257
0
+
×
03
15
258
0
Corpus Christi
+
×
04
15
259
0
+
×
05
15
260
0
+
×
06
15
261
0
+
×
23
07
15
262
0
+
×
08
15
263
0
+
×
09
15
264
0
+
×
10
15
265
0
+
×
11
15
266
0
+
×
12
15
267
0
+
×
13
15
268
0
+
×
24
14
15
269
0
+
×
15
15
270
0
+
×
16
15
271
0
+
×
17
15
272
0
+
×
18
15
273
0
+
×
19
15
274
0
+
×
20
15
275
0
+
×
25
21
15
276
0
+
×
22
15
277
0
+
×
23
15
278
0
+
×
24
15
279
0
+
×
25
15
280
0
+
×
26
15
281
0
+
×
27
15
282
0
+
×
26
28
15
283
0
+
×
29
15
284
0
+
×
30
15
285
0
+
×
27
July 2021
week
Mon
Tue
Wed
Thu
Fri
Sat
Sun
26
01
15
286
0
+
×
02
15
287
0
+
×
03
15
288
0
+
×
04
15
289
0
+
×
27
05
15
290
0
+
×
06
15
291
0
+
×
07
15
292
0
+
×
08
15
293
0
+
×
09
15
294
0
+
×
10
15
295
0
+
×
11
15
296
0
+
×
28
12
15
297
0
+
×
13
15
298
0
+
×
14
15
299
0
+
×
15
15
300
0
+
×
16
15
301
0
+
×
17
15
302
0
+
×
18
15
303
0
+
×
29
19
15
304
0
+
×
20
15
305
0
+
×
21
15
306
0
+
×
22
15
307
0
+
×
23
15
308
0
+
×
24
15
309
0
+
×
25
15
310
0
+
×
30
26
15
311
0
+
×
27
15
312
0
+
×
28
15
313
0
+
×
29
15
314
0
+
×
30
15
315
0
+
×
31
15
316
0
+
×
31
August 2021
week
Mon
Tue
Wed
Thu
Fri
Sat
Sun
30
01
15
317
0
+
×
31
02
15
318
0
+
×
03
15
319
0
+
×
04
15
320
0
+
×
05
15
321
0
+
×
06
15
322
0
+
×
07
15
323
0
+
×
08
15
324
0
+
×
32
09
15
325
0
+
×
10
15
326
0
+
×
11
15
327
0
+
×
12
15
328
0
+
×
13
15
329
0
+
×
14
15
330
0
+
×
15
15
331
0
Assumption
+
×
33
16
15
332
0
+
×
17
15
333
0
+
×
18
15
334
0
+
×
19
15
335
0
+
×
20
15
336
0
+
×
21
15
337
0
+
×
22
15
338
0
+
×
34
23
15
339
0
+
×
24
15
340
0
+
×
25
15
341
0
+
×
26
15
342
0
+
×
27
15
343
0
+
×
28
15
344
0
+
×
29
15
345
0
+
×
35
30
15
346
0
+
×
31
15
347
0
+
×
September 2021
week
Mon
Tue
Wed
Thu
Fri
Sat
Sun
35
01
15
348
0
+
×
02
15
349
0
+
×
03
15
350
0
+
×
04
15
351
0
+
×
05
15
352
0
+
×
36
06
15
353
0
+
×
07
15
354
0
+
×
08
15
355
0
+
×
09
15
356
0
+
×
10
15
357
0
+
×
11
15
358
0
+
×
12
15
359
0
+
×
37
13
15
360
0
+
×
14
15
361
0
+
×
15
15
362
0
+
×
16
15
363
0
+
×
17
15
364
0
+
×
18
15
365
0
+
×
19
15
366
0
+
×
38
39
40
 
Public holidays
Weekend days
Days to take
Vacations
Days to take:
You can now adjust the optimization by clicking on the calendar
Holidays length:
Optimization factor:
?
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