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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 ()
July 2019
week
Mon
Tue
Wed
Thu
Fri
Sat
Sun
27
28
29
18
15
0
0
+
×
19
15
1
0
+
×
20
15
2
0
+
×
21
15
3
0
+
×
30
22
15
4
0
+
×
23
15
5
0
+
×
24
15
6
0
+
×
25
15
7
0
+
×
26
15
8
0
+
×
27
15
9
0
+
×
28
15
10
0
+
×
31
29
15
11
0
+
×
30
15
12
0
+
×
31
15
13
0
+
×
32
August 2019
week
Mon
Tue
Wed
Thu
Fri
Sat
Sun
31
01
15
14
0
+
×
02
15
15
0
+
×
03
15
16
0
+
×
04
15
17
0
+
×
32
05
15
18
0
+
×
06
15
19
0
+
×
07
15
20
0
+
×
08
15
21
0
+
×
09
15
22
0
+
×
10
15
23
0
+
×
11
15
24
0
Mountain Day
+
×
33
12
15
25
0
Mountain Day (obs.)
+
×
13
15
26
0
+
×
14
15
27
0
+
×
15
15
28
0
+
×
16
15
29
0
+
×
17
15
30
0
+
×
18
15
31
0
+
×
34
19
15
32
0
+
×
20
15
33
0
+
×
21
15
34
0
+
×
22
15
35
0
+
×
23
15
36
0
+
×
24
15
37
0
+
×
25
15
38
0
+
×
35
26
15
39
0
+
×
27
15
40
0
+
×
28
15
41
0
+
×
29
15
42
0
+
×
30
15
43
0
+
×
31
15
44
0
+
×
36
September 2019
week
Mon
Tue
Wed
Thu
Fri
Sat
Sun
35
01
15
45
0
+
×
36
02
15
46
0
+
×
03
15
47
0
+
×
04
15
48
0
+
×
05
15
49
0
+
×
06
15
50
0
+
×
07
15
51
0
+
×
08
15
52
0
+
×
37
09
15
53
0
+
×
10
15
54
0
+
×
11
15
55
0
+
×
12
15
56
0
+
×
13
15
57
0
+
×
14
15
58
0
+
×
15
15
59
0
+
×
38
16
15
60
0
Respect-for-Aged Day
+
×
17
15
61
0
+
×
18
15
62
0
+
×
19
15
63
0
+
×
20
15
64
0
+
×
21
15
65
0
+
×
22
15
66
0
+
×
39
23
15
67
0
Autumnal Equinox Day
+
×
24
15
68
0
+
×
25
15
69
0
+
×
26
15
70
0
+
×
27
15
71
0
+
×
28
15
72
0
+
×
29
15
73
0
+
×
40
30
15
74
0
+
×
October 2019
week
Mon
Tue
Wed
Thu
Fri
Sat
Sun
40
01
15
75
0
+
×
02
15
76
0
+
×
03
15
77
0
+
×
04
15
78
0
+
×
05
15
79
0
+
×
06
15
80
0
+
×
41
07
15
81
0
+
×
08
15
82
0
+
×
09
15
83
0
+
×
10
15
84
0
+
×
11
15
85
0
+
×
12
15
86
0
+
×
13
15
87
0
+
×
42
14
15
88
0
Health and Sports Day
+
×
15
15
89
0
+
×
16
15
90
0
+
×
17
15
91
0
+
×
18
15
92
0
+
×
19
15
93
0
+
×
20
15
94
0
+
×
43
21
15
95
0
+
×
22
15
96
0
+
×
23
15
97
0
+
×
24
15
98
0
+
×
25
15
99
0
+
×
26
15
100
0
+
×
27
15
101
0
+
×
44
28
15
102
0
+
×
29
15
103
0
+
×
30
15
104
0
+
×
31
15
105
0
+
×
45
 
November 2019
week
Mon
Tue
Wed
Thu
Fri
Sat
Sun
44
01
15
106
0
+
×
02
15
107
0
+
×
03
15
108
0
Culture Day
+
×
45
04
15
109
0
Culture Day (obs.)
+
×
05
15
110
0
+
×
06
15
111
0
+
×
07
15
112
0
+
×
08
15
113
0
+
×
09
15
114
0
+
×
10
15
115
0
+
×
46
11
15
116
0
+
×
12
15
117
0
+
×
13
15
118
0
+
×
14
15
119
0
+
×
15
15
120
0
+
×
16
15
121
0
+
×
17
15
122
0
+
×
47
18
15
123
0
+
×
19
15
124
0
+
×
20
15
125
0
+
×
21
15
126
0
+
×
22
15
127
0
+
×
23
15
128
0
Labor Thanksgiving Day
+
×
24
15
129
0
+
×
48
25
15
130
0
+
×
26
15
131
0
+
×
27
15
132
0
+
×
28
15
133
0
+
×
29
15
134
0
+
×
30
15
135
0
+
×
49
December 2019
week
Mon
Tue
Wed
Thu
Fri
Sat
Sun
48
01
15
136
0
+
×
49
02
15
137
0
+
×
03
15
138
0
+
×
04
15
139
0
+
×
05
15
140
0
+
×
06
15
141
0
+
×
07
15
142
0
+
×
08
15
143
0
+
×
50
09
15
144
0
+
×
10
15
145
0
+
×
11
15
146
0
+
×
12
15
147
0
+
×
13
15
148
0
+
×
14
15
149
0
+
×
15
15
150
0
+
×
51
16
15
151
0
+
×
17
15
152
0
+
×
18
15
153
0
+
×
19
15
154
0
+
×
20
15
155
0
+
×
21
15
156
0
+
×
22
15
157
0
+
×
52
23
15
158
0
Emperor's Birthday
+
×
24
15
159
0
+
×
25
15
160
0
+
×
26
15
161
0
+
×
27
15
162
0
+
×
28
15
163
0
+
×
29
15
164
0
+
×
01
30
15
165
0
+
×
31
15
166
0
New Year's Eve
+
×
January 2020
week
Mon
Tue
Wed
Thu
Fri
Sat
Sun
01
01
15
167
0
New Year's Day
+
×
02
15
168
0
January 2
+
×
03
15
169
0
January 3
+
×
04
15
170
0
+
×
05
15
171
0
+
×
02
06
15
172
0
+
×
07
15
173
0
+
×
08
15
174
0
+
×
09
15
175
0
+
×
10
15
176
0
+
×
11
15
177
0
+
×
12
15
178
0
+
×
03
13
15
179
0
Coming of Age Day
+
×
14
15
180
0
+
×
15
15
181
0
+
×
16
15
182
0
+
×
17
15
183
0
+
×
18
15
184
0
+
×
19
15
185
0
+
×
04
20
15
186
0
+
×
21
15
187
0
+
×
22
15
188
0
+
×
23
15
189
0
+
×
24
15
190
0
+
×
25
15
191
0
+
×
26
15
192
0
+
×
05
27
15
193
0
+
×
28
15
194
0
+
×
29
15
195
0
+
×
30
15
196
0
+
×
31
15
197
0
+
×
06
February 2020
week
Mon
Tue
Wed
Thu
Fri
Sat
Sun
05
01
15
198
0
+
×
02
15
199
0
+
×
06
03
15
200
0
+
×
04
15
201
0
+
×
05
15
202
0
+
×
06
15
203
0
+
×
07
15
204
0
+
×
08
15
205
0
+
×
09
15
206
0
+
×
07
10
15
207
0
+
×
11
15
208
0
Foundation Day
+
×
12
15
209
0
+
×
13
15
210
0
+
×
14
15
211
0
+
×
15
15
212
0
+
×
16
15
213
0
+
×
08
17
15
214
0
+
×
18
15
215
0
+
×
19
15
216
0
+
×
20
15
217
0
+
×
21
15
218
0
+
×
22
15
219
0
+
×
23
15
220
0
Emperor's Birthday
+
×
09
24
15
221
0
Emperor's Birthday (obs.)
+
×
25
15
222
0
+
×
26
15
223
0
+
×
27
15
224
0
+
×
28
15
225
0
+
×
29
15
226
0
+
×
10
March 2020
week
Mon
Tue
Wed
Thu
Fri
Sat
Sun
09
01
15
227
0
+
×
10
02
15
228
0
+
×
03
15
229
0
+
×
04
15
230
0
+
×
05
15
231
0
+
×
06
15
232
0
+
×
07
15
233
0
+
×
08
15
234
0
+
×
11
09
15
235
0
+
×
10
15
236
0
+
×
11
15
237
0
+
×
12
15
238
0
+
×
13
15
239
0
+
×
14
15
240
0
+
×
15
15
241
0
+
×
12
16
15
242
0
+
×
17
15
243
0
+
×
18
15
244
0
+
×
19
15
245
0
+
×
20
15
246
0
Vernal Equinox Day
+
×
21
15
247
0
+
×
22
15
248
0
+
×
13
23
15
249
0
+
×
24
15
250
0
+
×
25
15
251
0
+
×
26
15
252
0
+
×
27
15
253
0
+
×
28
15
254
0
+
×
29
15
255
0
+
×
14
30
15
256
0
+
×
31
15
257
0
+
×
April 2020
week
Mon
Tue
Wed
Thu
Fri
Sat
Sun
14
01
15
258
0
+
×
02
15
259
0
+
×
03
15
260
0
+
×
04
15
261
0
+
×
05
15
262
0
+
×
15
06
15
263
0
+
×
07
15
264
0
+
×
08
15
265
0
+
×
09
15
266
0
+
×
10
15
267
0
+
×
11
15
268
0
+
×
12
15
269
0
+
×
16
13
15
270
0
+
×
14
15
271
0
+
×
15
15
272
0
+
×
16
15
273
0
+
×
17
15
274
0
+
×
18
15
275
0
+
×
19
15
276
0
+
×
17
20
15
277
0
+
×
21
15
278
0
+
×
22
15
279
0
+
×
23
15
280
0
+
×
24
15
281
0
+
×
25
15
282
0
+
×
26
15
283
0
+
×
18
27
15
284
0
+
×
28
15
285
0
+
×
29
15
286
0
Shōwa Day
+
×
30
15
287
0
+
×
19
May 2020
week
Mon
Tue
Wed
Thu
Fri
Sat
Sun
18
01
15
288
0
+
×
02
15
289
0
+
×
03
15
290
0
Constitution Memorial Day
+
×
19
04
15
291
0
Greenery Day
+
×
05
15
292
0
Children's Day
+
×
06
15
293
0
Constitution Memorial Day (obs.)
+
×
07
15
294
0
+
×
08
15
295
0
+
×
09
15
296
0
+
×
10
15
297
0
+
×
20
11
15
298
0
+
×
12
15
299
0
+
×
13
15
300
0
+
×
14
15
301
0
+
×
15
15
302
0
+
×
16
15
303
0
+
×
17
15
304
0
+
×
21
18
15
305
0
+
×
19
15
306
0
+
×
20
15
307
0
+
×
21
15
308
0
+
×
22
15
309
0
+
×
23
15
310
0
+
×
24
15
311
0
+
×
22
25
15
312
0
+
×
26
15
313
0
+
×
27
15
314
0
+
×
28
15
315
0
+
×
29
15
316
0
+
×
30
15
317
0
+
×
31
15
318
0
+
×
23
June 2020
week
Mon
Tue
Wed
Thu
Fri
Sat
Sun
23
01
15
319
0
+
×
02
15
320
0
+
×
03
15
321
0
+
×
04
15
322
0
+
×
05
15
323
0
+
×
06
15
324
0
+
×
07
15
325
0
+
×
24
08
15
326
0
+
×
09
15
327
0
+
×
10
15
328
0
+
×
11
15
329
0
+
×
12
15
330
0
+
×
13
15
331
0
+
×
14
15
332
0
+
×
25
15
15
333
0
+
×
16
15
334
0
+
×
17
15
335
0
+
×
18
15
336
0
+
×
19
15
337
0
+
×
20
15
338
0
+
×
21
15
339
0
+
×
26
22
15
340
0
+
×
23
15
341
0
+
×
24
15
342
0
+
×
25
15
343
0
+
×
26
15
344
0
+
×
27
15
345
0
+
×
28
15
346
0
+
×
27
29
15
347
0
+
×
30
15
348
0
+
×
28
July 2020
week
Mon
Tue
Wed
Thu
Fri
Sat
Sun
27
01
15
349
0
+
×
02
15
350
0
+
×
03
15
351
0
+
×
04
15
352
0
+
×
05
15
353
0
+
×
28
06
15
354
0
+
×
07
15
355
0
+
×
08
15
356
0
+
×
09
15
357
0
+
×
10
15
358
0
+
×
11
15
359
0
+
×
12
15
360
0
+
×
29
13
15
361
0
+
×
14
15
362
0
+
×
15
15
363
0
+
×
16
15
364
0
+
×
17
15
365
0
+
×
18
15
366
0
+
×
19
15
367
0
+
×
30
31
32
 
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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