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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 2020
week
Mon
Tue
Wed
Thu
Fri
Sat
Sun
05
06
07
08
09
28
15
0
0
+
×
29
15
1
0
+
×
10
March 2020
week
Mon
Tue
Wed
Thu
Fri
Sat
Sun
09
01
15
2
0
Independence Movement Day
+
×
10
02
15
3
0
+
×
03
15
4
0
+
×
04
15
5
0
+
×
05
15
6
0
+
×
06
15
7
0
+
×
07
15
8
0
+
×
08
15
9
0
+
×
11
09
15
10
0
+
×
10
15
11
0
+
×
11
15
12
0
+
×
12
15
13
0
+
×
13
15
14
0
+
×
14
15
15
0
+
×
15
15
16
0
+
×
12
16
15
17
0
+
×
17
15
18
0
+
×
18
15
19
0
+
×
19
15
20
0
+
×
20
15
21
0
+
×
21
15
22
0
+
×
22
15
23
0
+
×
13
23
15
24
0
+
×
24
15
25
0
+
×
25
15
26
0
+
×
26
15
27
0
+
×
27
15
28
0
+
×
28
15
29
0
+
×
29
15
30
0
+
×
14
30
15
31
0
+
×
31
15
32
0
+
×
April 2020
week
Mon
Tue
Wed
Thu
Fri
Sat
Sun
14
01
15
33
0
+
×
02
15
34
0
+
×
03
15
35
0
+
×
04
15
36
0
+
×
05
15
37
0
+
×
15
06
15
38
0
+
×
07
15
39
0
+
×
08
15
40
0
+
×
09
15
41
0
+
×
10
15
42
0
+
×
11
15
43
0
+
×
12
15
44
0
+
×
16
13
15
45
0
+
×
14
15
46
0
+
×
15
15
47
0
+
×
16
15
48
0
+
×
17
15
49
0
+
×
18
15
50
0
+
×
19
15
51
0
+
×
17
20
15
52
0
+
×
21
15
53
0
+
×
22
15
54
0
+
×
23
15
55
0
+
×
24
15
56
0
+
×
25
15
57
0
+
×
26
15
58
0
+
×
18
27
15
59
0
+
×
28
15
60
0
+
×
29
15
61
0
+
×
30
15
62
0
Buddha's Birthday
+
×
19
May 2020
week
Mon
Tue
Wed
Thu
Fri
Sat
Sun
18
01
15
63
0
+
×
02
15
64
0
+
×
03
15
65
0
+
×
19
04
15
66
0
+
×
05
15
67
0
Children's Day
+
×
06
15
68
0
+
×
07
15
69
0
+
×
08
15
70
0
+
×
09
15
71
0
+
×
10
15
72
0
+
×
20
11
15
73
0
+
×
12
15
74
0
+
×
13
15
75
0
+
×
14
15
76
0
+
×
15
15
77
0
+
×
16
15
78
0
+
×
17
15
79
0
+
×
21
18
15
80
0
+
×
19
15
81
0
+
×
20
15
82
0
+
×
21
15
83
0
+
×
22
15
84
0
+
×
23
15
85
0
+
×
24
15
86
0
+
×
22
25
15
87
0
+
×
26
15
88
0
+
×
27
15
89
0
+
×
28
15
90
0
+
×
29
15
91
0
+
×
30
15
92
0
Buddha's Birthday
+
×
31
15
93
0
+
×
23
 
June 2020
week
Mon
Tue
Wed
Thu
Fri
Sat
Sun
23
01
15
94
0
+
×
02
15
95
0
+
×
03
15
96
0
+
×
04
15
97
0
+
×
05
15
98
0
+
×
06
15
99
0
Memorial Day
+
×
07
15
100
0
+
×
24
08
15
101
0
+
×
09
15
102
0
+
×
10
15
103
0
+
×
11
15
104
0
+
×
12
15
105
0
+
×
13
15
106
0
+
×
14
15
107
0
+
×
25
15
15
108
0
+
×
16
15
109
0
+
×
17
15
110
0
+
×
18
15
111
0
+
×
19
15
112
0
+
×
20
15
113
0
+
×
21
15
114
0
+
×
26
22
15
115
0
+
×
23
15
116
0
+
×
24
15
117
0
+
×
25
15
118
0
+
×
26
15
119
0
+
×
27
15
120
0
+
×
28
15
121
0
+
×
27
29
15
122
0
+
×
30
15
123
0
+
×
28
July 2020
week
Mon
Tue
Wed
Thu
Fri
Sat
Sun
27
01
15
124
0
+
×
02
15
125
0
+
×
03
15
126
0
+
×
04
15
127
0
+
×
05
15
128
0
+
×
28
06
15
129
0
+
×
07
15
130
0
+
×
08
15
131
0
+
×
09
15
132
0
+
×
10
15
133
0
+
×
11
15
134
0
+
×
12
15
135
0
+
×
29
13
15
136
0
+
×
14
15
137
0
+
×
15
15
138
0
+
×
16
15
139
0
+
×
17
15
140
0
+
×
18
15
141
0
+
×
19
15
142
0
+
×
30
20
15
143
0
+
×
21
15
144
0
+
×
22
15
145
0
+
×
23
15
146
0
+
×
24
15
147
0
+
×
25
15
148
0
+
×
26
15
149
0
+
×
31
27
15
150
0
+
×
28
15
151
0
+
×
29
15
152
0
+
×
30
15
153
0
+
×
31
15
154
0
+
×
32
August 2020
week
Mon
Tue
Wed
Thu
Fri
Sat
Sun
31
01
15
155
0
+
×
02
15
156
0
+
×
32
03
15
157
0
+
×
04
15
158
0
+
×
05
15
159
0
+
×
06
15
160
0
+
×
07
15
161
0
+
×
08
15
162
0
+
×
09
15
163
0
+
×
33
10
15
164
0
+
×
11
15
165
0
+
×
12
15
166
0
+
×
13
15
167
0
+
×
14
15
168
0
+
×
15
15
169
0
Liberation Day
+
×
16
15
170
0
+
×
34
17
15
171
0
+
×
18
15
172
0
+
×
19
15
173
0
+
×
20
15
174
0
+
×
21
15
175
0
+
×
22
15
176
0
+
×
23
15
177
0
+
×
35
24
15
178
0
+
×
25
15
179
0
+
×
26
15
180
0
+
×
27
15
181
0
+
×
28
15
182
0
+
×
29
15
183
0
+
×
30
15
184
0
+
×
36
31
15
185
0
+
×
September 2020
week
Mon
Tue
Wed
Thu
Fri
Sat
Sun
36
01
15
186
0
+
×
02
15
187
0
+
×
03
15
188
0
+
×
04
15
189
0
+
×
05
15
190
0
+
×
06
15
191
0
+
×
37
07
15
192
0
+
×
08
15
193
0
+
×
09
15
194
0
+
×
10
15
195
0
+
×
11
15
196
0
+
×
12
15
197
0
+
×
13
15
198
0
+
×
38
14
15
199
0
+
×
15
15
200
0
+
×
16
15
201
0
+
×
17
15
202
0
+
×
18
15
203
0
+
×
19
15
204
0
+
×
20
15
205
0
+
×
39
21
15
206
0
+
×
22
15
207
0
+
×
23
15
208
0
+
×
24
15
209
0
+
×
25
15
210
0
+
×
26
15
211
0
+
×
27
15
212
0
+
×
40
28
15
213
0
+
×
29
15
214
0
+
×
30
15
215
0
Day before Chuseok
+
×
41
October 2020
week
Mon
Tue
Wed
Thu
Fri
Sat
Sun
40
01
15
216
0
Chuseok
+
×
02
15
217
0
Day after Chuseok
+
×
03
15
218
0
National Foundation Day
+
×
04
15
219
0
+
×
41
05
15
220
0
+
×
06
15
221
0
+
×
07
15
222
0
+
×
08
15
223
0
+
×
09
15
224
0
Hangeul Day
+
×
10
15
225
0
+
×
11
15
226
0
+
×
42
12
15
227
0
+
×
13
15
228
0
+
×
14
15
229
0
+
×
15
15
230
0
+
×
16
15
231
0
+
×
17
15
232
0
+
×
18
15
233
0
+
×
43
19
15
234
0
+
×
20
15
235
0
+
×
21
15
236
0
+
×
22
15
237
0
+
×
23
15
238
0
+
×
24
15
239
0
+
×
25
15
240
0
+
×
44
26
15
241
0
+
×
27
15
242
0
+
×
28
15
243
0
+
×
29
15
244
0
+
×
30
15
245
0
+
×
31
15
246
0
+
×
45
November 2020
week
Mon
Tue
Wed
Thu
Fri
Sat
Sun
44
01
15
247
0
+
×
45
02
15
248
0
+
×
03
15
249
0
+
×
04
15
250
0
+
×
05
15
251
0
+
×
06
15
252
0
+
×
07
15
253
0
+
×
08
15
254
0
+
×
46
09
15
255
0
+
×
10
15
256
0
+
×
11
15
257
0
+
×
12
15
258
0
+
×
13
15
259
0
+
×
14
15
260
0
+
×
15
15
261
0
+
×
47
16
15
262
0
+
×
17
15
263
0
+
×
18
15
264
0
+
×
19
15
265
0
+
×
20
15
266
0
+
×
21
15
267
0
+
×
22
15
268
0
+
×
48
23
15
269
0
+
×
24
15
270
0
+
×
25
15
271
0
+
×
26
15
272
0
+
×
27
15
273
0
+
×
28
15
274
0
+
×
29
15
275
0
+
×
49
30
15
276
0
+
×
December 2020
week
Mon
Tue
Wed
Thu
Fri
Sat
Sun
49
01
15
277
0
+
×
02
15
278
0
+
×
03
15
279
0
+
×
04
15
280
0
+
×
05
15
281
0
+
×
06
15
282
0
+
×
50
07
15
283
0
+
×
08
15
284
0
+
×
09
15
285
0
+
×
10
15
286
0
+
×
11
15
287
0
+
×
12
15
288
0
+
×
13
15
289
0
+
×
51
14
15
290
0
+
×
15
15
291
0
+
×
16
15
292
0
+
×
17
15
293
0
+
×
18
15
294
0
+
×
19
15
295
0
+
×
20
15
296
0
+
×
52
21
15
297
0
+
×
22
15
298
0
+
×
23
15
299
0
+
×
24
15
300
0
+
×
25
15
301
0
Christmas Day
+
×
26
15
302
0
+
×
27
15
303
0
+
×
53
28
15
304
0
+
×
29
15
305
0
+
×
30
15
306
0
+
×
31
15
307
0
+
×
01
January 2021
week
Mon
Tue
Wed
Thu
Fri
Sat
Sun
53
01
15
308
0
New Year's Day
+
×
02
15
309
0
+
×
03
15
310
0
+
×
01
04
15
311
0
+
×
05
15
312
0
+
×
06
15
313
0
+
×
07
15
314
0
+
×
08
15
315
0
+
×
09
15
316
0
+
×
10
15
317
0
+
×
02
11
15
318
0
+
×
12
15
319
0
+
×
13
15
320
0
+
×
14
15
321
0
+
×
15
15
322
0
+
×
16
15
323
0
+
×
17
15
324
0
+
×
03
18
15
325
0
+
×
19
15
326
0
+
×
20
15
327
0
+
×
21
15
328
0
+
×
22
15
329
0
+
×
23
15
330
0
+
×
24
15
331
0
+
×
04
25
15
332
0
+
×
26
15
333
0
+
×
27
15
334
0
+
×
28
15
335
0
+
×
29
15
336
0
+
×
30
15
337
0
+
×
31
15
338
0
+
×
05
February 2021
week
Mon
Tue
Wed
Thu
Fri
Sat
Sun
05
01
15
339
0
+
×
02
15
340
0
+
×
03
15
341
0
+
×
04
15
342
0
+
×
05
15
343
0
+
×
06
15
344
0
+
×
07
15
345
0
+
×
06
08
15
346
0
+
×
09
15
347
0
+
×
10
15
348
0
+
×
11
15
349
0
Seollal
+
×
12
15
350
0
Seollal
+
×
13
15
351
0
Seollal
+
×
14
15
352
0
+
×
07
15
15
353
0
+
×
16
15
354
0
+
×
17
15
355
0
+
×
18
15
356
0
+
×
19
15
357
0
+
×
20
15
358
0
+
×
21
15
359
0
+
×
08
22
15
360
0
+
×
23
15
361
0
+
×
24
15
362
0
+
×
25
15
363
0
+
×
26
15
364
0
+
×
27
15
365
0
+
×
28
15
366
0
+
×
09
10
March 2021
week
Mon
Tue
Wed
Thu
Fri
Sat
Sun
09
01
15
367
0
Independence Movement Day
+
×
10
11
12
13
14
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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