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