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Calendar
School holidays :
The Holidays      ptimizer
It tells you when to take your days off to maximize the length of your vacation
Calendar
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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 ()
January 2019
week
mon
tue
wed
thu
fri
sat
sun
01
02
03
04
21
15
0
0
22
15
1
0
23
15
2
0
24
15
3
0
25
15
4
0
26
15
5
0
27
15
6
0
05
28
15
7
0
29
15
8
0
30
15
9
0
31
15
10
0
06
February 2019
week
mon
tue
wed
thu
fri
sat
sun
05
01
15
11
0
02
15
12
0
03
15
13
0
06
04
15
14
0
Korean New Year's Day1
05
15
15
0
Korean New Year's Day2
06
15
16
0
Korean New Year's Day3
07
15
17
0
08
15
18
0
09
15
19
0
10
15
20
0
07
11
15
21
0
12
15
22
0
13
15
23
0
14
15
24
0
15
15
25
0
16
15
26
0
17
15
27
0
08
18
15
28
0
19
15
29
0
20
15
30
0
21
15
31
0
22
15
32
0
23
15
33
0
24
15
34
0
09
25
15
35
0
26
15
36
0
27
15
37
0
28
15
38
0
10
March 2019
week
mon
tue
wed
thu
fri
sat
sun
09
01
15
39
0
Independence day
02
15
40
0
03
15
41
0
10
04
15
42
0
05
15
43
0
06
15
44
0
07
15
45
0
08
15
46
0
09
15
47
0
10
15
48
0
11
11
15
49
0
12
15
50
0
13
15
51
0
14
15
52
0
15
15
53
0
16
15
54
0
17
15
55
0
12
18
15
56
0
19
15
57
0
20
15
58
0
21
15
59
0
22
15
60
0
23
15
61
0
24
15
62
0
13
25
15
63
0
26
15
64
0
27
15
65
0
28
15
66
0
29
15
67
0
30
15
68
0
31
15
69
0
14
April 2019
week
mon
tue
wed
thu
fri
sat
sun
14
01
15
70
0
02
15
71
0
03
15
72
0
04
15
73
0
05
15
74
0
06
15
75
0
07
15
76
0
15
08
15
77
0
09
15
78
0
10
15
79
0
11
15
80
0
12
15
81
0
13
15
82
0
14
15
83
0
16
15
15
84
0
16
15
85
0
17
15
86
0
18
15
87
0
19
15
88
0
20
15
89
0
21
15
90
0
17
22
15
91
0
23
15
92
0
24
15
93
0
25
15
94
0
26
15
95
0
27
15
96
0
28
15
97
0
18
29
15
98
0
30
15
99
0
19
 
May 2019
week
mon
tue
wed
thu
fri
sat
sun
18
01
15
100
0
Labor Day
02
15
101
0
03
15
102
0
04
15
103
0
05
15
104
0
Children's Day
19
06
15
105
0
07
15
106
0
08
15
107
0
09
15
108
0
10
15
109
0
11
15
110
0
12
15
111
0
Buddha's Birthday
20
13
15
112
0
14
15
113
0
15
15
114
0
16
15
115
0
17
15
116
0
18
15
117
0
19
15
118
0
21
20
15
119
0
21
15
120
0
22
15
121
0
23
15
122
0
24
15
123
0
25
15
124
0
26
15
125
0
22
27
15
126
0
28
15
127
0
29
15
128
0
30
15
129
0
31
15
130
0
23
June 2019
week
mon
tue
wed
thu
fri
sat
sun
22
01
15
131
0
02
15
132
0
23
03
15
133
0
04
15
134
0
05
15
135
0
06
15
136
0
Memorial Day
07
15
137
0
08
15
138
0
09
15
139
0
24
10
15
140
0
11
15
141
0
12
15
142
0
13
15
143
0
14
15
144
0
15
15
145
0
16
15
146
0
25
17
15
147
0
18
15
148
0
19
15
149
0
20
15
150
0
21
15
151
0
22
15
152
0
23
15
153
0
26
24
15
154
0
25
15
155
0
26
15
156
0
27
15
157
0
28
15
158
0
29
15
159
0
30
15
160
0
27
July 2019
week
mon
tue
wed
thu
fri
sat
sun
27
01
15
161
0
02
15
162
0
03
15
163
0
04
15
164
0
05
15
165
0
06
15
166
0
07
15
167
0
28
08
15
168
0
09
15
169
0
10
15
170
0
11
15
171
0
12
15
172
0
13
15
173
0
14
15
174
0
29
15
15
175
0
16
15
176
0
17
15
177
0
Constitution Day
18
15
178
0
19
15
179
0
20
15
180
0
21
15
181
0
30
22
15
182
0
23
15
183
0
24
15
184
0
25
15
185
0
26
15
186
0
27
15
187
0
28
15
188
0
31
29
15
189
0
30
15
190
0
31
15
191
0
32
August 2019
week
mon
tue
wed
thu
fri
sat
sun
31
01
15
192
0
02
15
193
0
03
15
194
0
04
15
195
0
32
05
15
196
0
06
15
197
0
07
15
198
0
08
15
199
0
09
15
200
0
10
15
201
0
11
15
202
0
33
12
15
203
0
13
15
204
0
14
15
205
0
15
15
206
0
Liberation Day
16
15
207
0
17
15
208
0
18
15
209
0
34
19
15
210
0
20
15
211
0
21
15
212
0
22
15
213
0
23
15
214
0
24
15
215
0
25
15
216
0
35
26
15
217
0
27
15
218
0
28
15
219
0
29
15
220
0
30
15
221
0
31
15
222
0
36
September 2019
week
mon
tue
wed
thu
fri
sat
sun
35
01
15
223
0
36
02
15
224
0
03
15
225
0
04
15
226
0
05
15
227
0
06
15
228
0
07
15
229
0
08
15
230
0
37
09
15
231
0
10
15
232
0
11
15
233
0
12
15
234
0
Midautumn Festival D1
13
15
235
0
Midautumn Festival D2
14
15
236
0
Midautumn Festival D3
15
15
237
0
38
16
15
238
0
17
15
239
0
18
15
240
0
19
15
241
0
20
15
242
0
21
15
243
0
22
15
244
0
39
23
15
245
0
24
15
246
0
25
15
247
0
26
15
248
0
27
15
249
0
28
15
250
0
29
15
251
0
40
30
15
252
0
October 2019
week
mon
tue
wed
thu
fri
sat
sun
40
01
15
253
0
Armed Forces Day
02
15
254
0
03
15
255
0
National Foundation Day
04
15
256
0
05
15
257
0
06
15
258
0
41
07
15
259
0
08
15
260
0
09
15
261
0
Hangeul Day
10
15
262
0
11
15
263
0
12
15
264
0
13
15
265
0
42
14
15
266
0
15
15
267
0
16
15
268
0
17
15
269
0
18
15
270
0
19
15
271
0
20
15
272
0
43
21
15
273
0
22
15
274
0
23
15
275
0
24
15
276
0
25
15
277
0
26
15
278
0
27
15
279
0
44
28
15
280
0
29
15
281
0
30
15
282
0
31
15
283
0
45
November 2019
week
mon
tue
wed
thu
fri
sat
sun
44
01
15
284
0
02
15
285
0
03
15
286
0
45
04
15
287
0
05
15
288
0
06
15
289
0
07
15
290
0
08
15
291
0
09
15
292
0
10
15
293
0
46
11
15
294
0
12
15
295
0
13
15
296
0
14
15
297
0
15
15
298
0
16
15
299
0
17
15
300
0
47
18
15
301
0
19
15
302
0
20
15
303
0
21
15
304
0
22
15
305
0
23
15
306
0
24
15
307
0
48
25
15
308
0
26
15
309
0
27
15
310
0
28
15
311
0
29
15
312
0
30
15
313
0
49
December 2019
week
mon
tue
wed
thu
fri
sat
sun
48
01
15
314
0
49
02
15
315
0
03
15
316
0
04
15
317
0
05
15
318
0
06
15
319
0
07
15
320
0
08
15
321
0
50
09
15
322
0
10
15
323
0
11
15
324
0
12
15
325
0
13
15
326
0
14
15
327
0
15
15
328
0
51
16
15
329
0
17
15
330
0
18
15
331
0
19
15
332
0
20
15
333
0
21
15
334
0
22
15
335
0
52
23
15
336
0
24
15
337
0
25
15
338
0
Christmas Day
26
15
339
0
27
15
340
0
28
15
341
0
29
15
342
0
01
30
15
343
0
31
15
344
0
January 2020
week
mon
tue
wed
thu
fri
sat
sun
01
01
15
345
0
New Year's Day
02
15
346
0
03
15
347
0
04
15
348
0
05
15
349
0
02
06
15
350
0
07
15
351
0
08
15
352
0
09
15
353
0
10
15
354
0
11
15
355
0
12
15
356
0
03
13
15
357
0
14
15
358
0
15
15
359
0
16
15
360
0
17
15
361
0
18
15
362
0
19
15
363
0
04
20
15
364
0
21
15
365
0
05
06
 
Public holidays
Weekend days
Days to take
Holidays
Days to take:
45
Holidays length:
12
Optimization factor:
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