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