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