×
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
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 ()
April 2021
week
Mon
Tue
Wed
Thu
Fri
Sat
Sun
13
14
15
15
15
0
0
+
×
16
15
1
0
+
×
17
15
2
0
+
×
18
15
3
0
+
×
16
19
15
4
0
+
×
20
15
5
0
+
×
21
15
6
0
+
×
22
15
7
0
+
×
23
15
8
0
+
×
24
15
9
0
+
×
25
15
10
0
+
×
17
26
15
11
0
+
×
27
15
12
0
+
×
28
15
13
0
+
×
29
15
14
0
+
×
30
15
15
0
+
×
18
May 2021
week
Mon
Tue
Wed
Thu
Fri
Sat
Sun
17
01
15
16
0
Labor Day
+
×
02
15
17
0
Labor Day
+
×
18
03
15
18
0
Labor Day
+
×
04
15
19
0
Labor Day
+
×
05
15
20
0
Labor Day
+
×
06
15
21
0
+
×
07
15
22
0
+
×
08
15
23
0
+
×
09
15
24
0
+
×
19
10
15
25
0
+
×
11
15
26
0
+
×
12
15
27
0
+
×
13
15
28
0
+
×
14
15
29
0
+
×
15
15
30
0
+
×
16
15
31
0
+
×
20
17
15
32
0
+
×
18
15
33
0
+
×
19
15
34
0
+
×
20
15
35
0
+
×
21
15
36
0
+
×
22
15
37
0
+
×
23
15
38
0
+
×
21
24
15
39
0
+
×
25
15
40
0
+
×
26
15
41
0
+
×
27
15
42
0
+
×
28
15
43
0
+
×
29
15
44
0
+
×
30
15
45
0
+
×
22
31
15
46
0
+
×
June 2021
week
Mon
Tue
Wed
Thu
Fri
Sat
Sun
22
01
15
47
0
+
×
02
15
48
0
+
×
03
15
49
0
+
×
04
15
50
0
+
×
05
15
51
0
+
×
06
15
52
0
+
×
23
07
15
53
0
+
×
08
15
54
0
+
×
09
15
55
0
+
×
10
15
56
0
+
×
11
15
57
0
+
×
12
15
58
0
Dragon Boat Festival
+
×
13
15
59
0
Dragon Boat Festival
+
×
24
14
15
60
0
Dragon Boat Festival
+
×
15
15
61
0
+
×
16
15
62
0
+
×
17
15
63
0
+
×
18
15
64
0
+
×
19
15
65
0
+
×
20
15
66
0
+
×
25
21
15
67
0
+
×
22
15
68
0
+
×
23
15
69
0
+
×
24
15
70
0
+
×
25
15
71
0
+
×
26
15
72
0
+
×
27
15
73
0
+
×
26
28
15
74
0
+
×
29
15
75
0
+
×
30
15
76
0
+
×
27
July 2021
week
Mon
Tue
Wed
Thu
Fri
Sat
Sun
26
01
15
77
0
+
×
02
15
78
0
+
×
03
15
79
0
+
×
04
15
80
0
+
×
27
05
15
81
0
+
×
06
15
82
0
+
×
07
15
83
0
+
×
08
15
84
0
+
×
09
15
85
0
+
×
10
15
86
0
+
×
11
15
87
0
+
×
28
12
15
88
0
+
×
13
15
89
0
+
×
14
15
90
0
+
×
15
15
91
0
+
×
16
15
92
0
+
×
17
15
93
0
+
×
18
15
94
0
+
×
29
19
15
95
0
+
×
20
15
96
0
+
×
21
15
97
0
+
×
22
15
98
0
+
×
23
15
99
0
+
×
24
15
100
0
+
×
25
15
101
0
+
×
30
26
15
102
0
+
×
27
15
103
0
+
×
28
15
104
0
+
×
29
15
105
0
+
×
30
15
106
0
+
×
31
15
107
0
+
×
31
 
August 2021
week
Mon
Tue
Wed
Thu
Fri
Sat
Sun
30
01
15
108
0
+
×
31
02
15
109
0
+
×
03
15
110
0
+
×
04
15
111
0
+
×
05
15
112
0
+
×
06
15
113
0
+
×
07
15
114
0
+
×
08
15
115
0
+
×
32
09
15
116
0
+
×
10
15
117
0
+
×
11
15
118
0
+
×
12
15
119
0
+
×
13
15
120
0
+
×
14
15
121
0
+
×
15
15
122
0
+
×
33
16
15
123
0
+
×
17
15
124
0
+
×
18
15
125
0
+
×
19
15
126
0
+
×
20
15
127
0
+
×
21
15
128
0
+
×
22
15
129
0
+
×
34
23
15
130
0
+
×
24
15
131
0
+
×
25
15
132
0
+
×
26
15
133
0
+
×
27
15
134
0
+
×
28
15
135
0
+
×
29
15
136
0
+
×
35
30
15
137
0
+
×
31
15
138
0
+
×
September 2021
week
Mon
Tue
Wed
Thu
Fri
Sat
Sun
35
01
15
139
0
+
×
02
15
140
0
+
×
03
15
141
0
+
×
04
15
142
0
+
×
05
15
143
0
+
×
36
06
15
144
0
+
×
07
15
145
0
+
×
08
15
146
0
+
×
09
15
147
0
+
×
10
15
148
0
+
×
11
15
149
0
+
×
12
15
150
0
+
×
37
13
15
151
0
+
×
14
15
152
0
+
×
15
15
153
0
+
×
16
15
154
0
+
×
17
15
155
0
+
×
18
15
156
0
+
×
19
15
157
0
Mid-Autumn Festival
+
×
38
20
15
158
0
Mid-Autumn Festival
+
×
21
15
159
0
Mid-Autumn Festival
+
×
22
15
160
0
+
×
23
15
161
0
+
×
24
15
162
0
+
×
25
15
163
0
+
×
26
15
164
0
+
×
39
27
15
165
0
+
×
28
15
166
0
+
×
29
15
167
0
+
×
30
15
168
0
+
×
40
October 2021
week
Mon
Tue
Wed
Thu
Fri
Sat
Sun
39
01
15
169
0
National Day
+
×
02
15
170
0
National Day
+
×
03
15
171
0
National Day
+
×
40
04
15
172
0
National Day
+
×
05
15
173
0
National Day
+
×
06
15
174
0
National Day
+
×
07
15
175
0
National Day
+
×
08
15
176
0
+
×
09
15
177
0
+
×
10
15
178
0
+
×
41
11
15
179
0
+
×
12
15
180
0
+
×
13
15
181
0
+
×
14
15
182
0
+
×
15
15
183
0
+
×
16
15
184
0
+
×
17
15
185
0
+
×
42
18
15
186
0
+
×
19
15
187
0
+
×
20
15
188
0
+
×
21
15
189
0
+
×
22
15
190
0
+
×
23
15
191
0
+
×
24
15
192
0
+
×
43
25
15
193
0
+
×
26
15
194
0
+
×
27
15
195
0
+
×
28
15
196
0
+
×
29
15
197
0
+
×
30
15
198
0
+
×
31
15
199
0
+
×
44
November 2021
week
Mon
Tue
Wed
Thu
Fri
Sat
Sun
44
01
15
200
0
+
×
02
15
201
0
+
×
03
15
202
0
+
×
04
15
203
0
+
×
05
15
204
0
+
×
06
15
205
0
+
×
07
15
206
0
+
×
45
08
15
207
0
+
×
09
15
208
0
+
×
10
15
209
0
+
×
11
15
210
0
+
×
12
15
211
0
+
×
13
15
212
0
+
×
14
15
213
0
+
×
46
15
15
214
0
+
×
16
15
215
0
+
×
17
15
216
0
+
×
18
15
217
0
+
×
19
15
218
0
+
×
20
15
219
0
+
×
21
15
220
0
+
×
47
22
15
221
0
+
×
23
15
222
0
+
×
24
15
223
0
+
×
25
15
224
0
+
×
26
15
225
0
+
×
27
15
226
0
+
×
28
15
227
0
+
×
48
29
15
228
0
+
×
30
15
229
0
+
×
49
December 2021
week
Mon
Tue
Wed
Thu
Fri
Sat
Sun
48
01
15
230
0
+
×
02
15
231
0
+
×
03
15
232
0
+
×
04
15
233
0
+
×
05
15
234
0
+
×
49
06
15
235
0
+
×
07
15
236
0
+
×
08
15
237
0
+
×
09
15
238
0
+
×
10
15
239
0
+
×
11
15
240
0
+
×
12
15
241
0
+
×
50
13
15
242
0
+
×
14
15
243
0
+
×
15
15
244
0
+
×
16
15
245
0
+
×
17
15
246
0
+
×
18
15
247
0
+
×
19
15
248
0
+
×
51
20
15
249
0
+
×
21
15
250
0
+
×
22
15
251
0
+
×
23
15
252
0
+
×
24
15
253
0
+
×
25
15
254
0
+
×
26
15
255
0
+
×
52
27
15
256
0
+
×
28
15
257
0
+
×
29
15
258
0
+
×
30
15
259
0
+
×
31
15
260
0
+
×
01
January 2022
week
Mon
Tue
Wed
Thu
Fri
Sat
Sun
52
01
15
261
0
New Year's Day
+
×
02
15
262
0
New Year's Day
+
×
01
03
15
263
0
New Year's Day
+
×
04
15
264
0
+
×
05
15
265
0
+
×
06
15
266
0
+
×
07
15
267
0
+
×
08
15
268
0
+
×
09
15
269
0
+
×
02
10
15
270
0
+
×
11
15
271
0
+
×
12
15
272
0
+
×
13
15
273
0
+
×
14
15
274
0
+
×
15
15
275
0
+
×
16
15
276
0
+
×
03
17
15
277
0
+
×
18
15
278
0
+
×
19
15
279
0
+
×
20
15
280
0
+
×
21
15
281
0
+
×
22
15
282
0
+
×
23
15
283
0
+
×
04
24
15
284
0
+
×
25
15
285
0
+
×
26
15
286
0
+
×
27
15
287
0
+
×
28
15
288
0
+
×
29
15
289
0
+
×
30
15
290
0
+
×
05
31
15
291
0
Spring Festival (Chinese New Year)
+
×
February 2022
week
Mon
Tue
Wed
Thu
Fri
Sat
Sun
05
01
15
292
0
Spring Festival (Chinese New Year)
+
×
02
15
293
0
Spring Festival (Chinese New Year)
+
×
03
15
294
0
Spring Festival (Chinese New Year)
+
×
04
15
295
0
Spring Festival (Chinese New Year)
+
×
05
15
296
0
Spring Festival (Chinese New Year)
+
×
06
15
297
0
Spring Festival (Chinese New Year)
+
×
06
07
15
298
0
+
×
08
15
299
0
+
×
09
15
300
0
+
×
10
15
301
0
+
×
11
15
302
0
+
×
12
15
303
0
+
×
13
15
304
0
+
×
07
14
15
305
0
+
×
15
15
306
0
+
×
16
15
307
0
+
×
17
15
308
0
+
×
18
15
309
0
+
×
19
15
310
0
+
×
20
15
311
0
+
×
08
21
15
312
0
+
×
22
15
313
0
+
×
23
15
314
0
+
×
24
15
315
0
+
×
25
15
316
0
+
×
26
15
317
0
+
×
27
15
318
0
+
×
09
28
15
319
0
+
×
10
March 2022
week
Mon
Tue
Wed
Thu
Fri
Sat
Sun
09
01
15
320
0
+
×
02
15
321
0
+
×
03
15
322
0
+
×
04
15
323
0
+
×
05
15
324
0
+
×
06
15
325
0
+
×
10
07
15
326
0
+
×
08
15
327
0
+
×
09
15
328
0
+
×
10
15
329
0
+
×
11
15
330
0
+
×
12
15
331
0
+
×
13
15
332
0
+
×
11
14
15
333
0
+
×
15
15
334
0
+
×
16
15
335
0
+
×
17
15
336
0
+
×
18
15
337
0
+
×
19
15
338
0
+
×
20
15
339
0
+
×
12
21
15
340
0
+
×
22
15
341
0
+
×
23
15
342
0
+
×
24
15
343
0
+
×
25
15
344
0
+
×
26
15
345
0
+
×
27
15
346
0
+
×
13
28
15
347
0
+
×
29
15
348
0
+
×
30
15
349
0
+
×
31
15
350
0
+
×
14
April 2022
week
Mon
Tue
Wed
Thu
Fri
Sat
Sun
13
01
15
351
0
+
×
02
15
352
0
+
×
03
15
353
0
Qingming Festival (Tomb Sweeping Day)
+
×
14
04
15
354
0
Qingming Festival (Tomb Sweeping Day)
+
×
05
15
355
0
Qingming Festival (Tomb Sweeping Day)
+
×
06
15
356
0
+
×
07
15
357
0
+
×
08
15
358
0
+
×
09
15
359
0
+
×
10
15
360
0
+
×
15
11
15
361
0
+
×
12
15
362
0
+
×
13
15
363
0
+
×
14
15
364
0
+
×
15
15
365
0
+
×
16
15
366
0
+
×
17
15
367
0
+
×
16
17
18
 
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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A question or an error to report?

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