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