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:
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
Country :
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 ()
June 2021
week
mon
tue
wed
thu
fri
sat
sun
22
23
11
15
0
0
+
×
12
15
1
0
+
×
13
15
2
0
+
×
24
14
15
3
0
+
×
15
15
4
0
+
×
16
15
5
0
+
×
17
15
6
0
+
×
18
15
7
0
+
×
19
15
8
0
+
×
20
15
9
0
+
×
25
21
15
10
0
+
×
22
15
11
0
+
×
23
15
12
0
+
×
24
15
13
0
+
×
25
15
14
0
+
×
26
15
15
0
+
×
27
15
16
0
+
×
26
28
15
17
0
+
×
29
15
18
0
+
×
30
15
19
0
+
×
27
July 2021
week
mon
tue
wed
thu
fri
sat
sun
26
01
15
20
0
+
×
02
15
21
0
+
×
03
15
22
0
+
×
04
15
23
0
+
×
27
05
15
24
0
+
×
06
15
25
0
+
×
07
15
26
0
+
×
08
15
27
0
+
×
09
15
28
0
+
×
10
15
29
0
+
×
11
15
30
0
+
×
28
12
15
31
0
+
×
13
15
32
0
+
×
14
15
33
0
+
×
15
15
34
0
+
×
16
15
35
0
+
×
17
15
36
0
Constitution Day
+
×
18
15
37
0
+
×
29
19
15
38
0
+
×
20
15
39
0
+
×
21
15
40
0
+
×
22
15
41
0
+
×
23
15
42
0
+
×
24
15
43
0
+
×
25
15
44
0
+
×
30
26
15
45
0
+
×
27
15
46
0
+
×
28
15
47
0
+
×
29
15
48
0
+
×
30
15
49
0
+
×
31
15
50
0
+
×
31
August 2021
week
mon
tue
wed
thu
fri
sat
sun
30
01
15
51
0
+
×
31
02
15
52
0
+
×
03
15
53
0
+
×
04
15
54
0
+
×
05
15
55
0
+
×
06
15
56
0
+
×
07
15
57
0
+
×
08
15
58
0
+
×
32
09
15
59
0
+
×
10
15
60
0
+
×
11
15
61
0
+
×
12
15
62
0
+
×
13
15
63
0
+
×
14
15
64
0
+
×
15
15
65
0
Liberation Day
+
×
33
16
15
66
0
+
×
17
15
67
0
+
×
18
15
68
0
+
×
19
15
69
0
+
×
20
15
70
0
+
×
21
15
71
0
+
×
22
15
72
0
+
×
34
23
15
73
0
+
×
24
15
74
0
+
×
25
15
75
0
+
×
26
15
76
0
+
×
27
15
77
0
+
×
28
15
78
0
+
×
29
15
79
0
+
×
35
30
15
80
0
+
×
31
15
81
0
+
×
September 2021
week
mon
tue
wed
thu
fri
sat
sun
35
01
15
82
0
+
×
02
15
83
0
+
×
03
15
84
0
+
×
04
15
85
0
+
×
05
15
86
0
+
×
36
06
15
87
0
+
×
07
15
88
0
+
×
08
15
89
0
+
×
09
15
90
0
+
×
10
15
91
0
+
×
11
15
92
0
+
×
12
15
93
0
+
×
37
13
15
94
0
+
×
14
15
95
0
+
×
15
15
96
0
+
×
16
15
97
0
+
×
17
15
98
0
+
×
18
15
99
0
+
×
19
15
100
0
+
×
38
20
15
101
0
Midautumn Festival D1
+
×
21
15
102
0
Midautumn Festival D2
+
×
22
15
103
0
Midautumn Festival D3
+
×
23
15
104
0
+
×
24
15
105
0
+
×
25
15
106
0
+
×
26
15
107
0
+
×
39
27
15
108
0
+
×
28
15
109
0
+
×
29
15
110
0
+
×
30
15
111
0
+
×
40
 
October 2021
week
mon
tue
wed
thu
fri
sat
sun
39
01
15
112
0
Armed Forces Day
+
×
02
15
113
0
+
×
03
15
114
0
National Foundation Day
+
×
40
04
15
115
0
+
×
05
15
116
0
+
×
06
15
117
0
+
×
07
15
118
0
+
×
08
15
119
0
+
×
09
15
120
0
Hangeul Day
+
×
10
15
121
0
+
×
41
11
15
122
0
+
×
12
15
123
0
+
×
13
15
124
0
+
×
14
15
125
0
+
×
15
15
126
0
+
×
16
15
127
0
+
×
17
15
128
0
+
×
42
18
15
129
0
+
×
19
15
130
0
+
×
20
15
131
0
+
×
21
15
132
0
+
×
22
15
133
0
+
×
23
15
134
0
+
×
24
15
135
0
+
×
43
25
15
136
0
+
×
26
15
137
0
+
×
27
15
138
0
+
×
28
15
139
0
+
×
29
15
140
0
+
×
30
15
141
0
+
×
31
15
142
0
+
×
44
November 2021
week
mon
tue
wed
thu
fri
sat
sun
44
01
15
143
0
+
×
02
15
144
0
+
×
03
15
145
0
+
×
04
15
146
0
+
×
05
15
147
0
+
×
06
15
148
0
+
×
07
15
149
0
+
×
45
08
15
150
0
+
×
09
15
151
0
+
×
10
15
152
0
+
×
11
15
153
0
+
×
12
15
154
0
+
×
13
15
155
0
+
×
14
15
156
0
+
×
46
15
15
157
0
+
×
16
15
158
0
+
×
17
15
159
0
+
×
18
15
160
0
+
×
19
15
161
0
+
×
20
15
162
0
+
×
21
15
163
0
+
×
47
22
15
164
0
+
×
23
15
165
0
+
×
24
15
166
0
+
×
25
15
167
0
+
×
26
15
168
0
+
×
27
15
169
0
+
×
28
15
170
0
+
×
48
29
15
171
0
+
×
30
15
172
0
+
×
49
December 2021
week
mon
tue
wed
thu
fri
sat
sun
48
01
15
173
0
+
×
02
15
174
0
+
×
03
15
175
0
+
×
04
15
176
0
+
×
05
15
177
0
+
×
49
06
15
178
0
+
×
07
15
179
0
+
×
08
15
180
0
+
×
09
15
181
0
+
×
10
15
182
0
+
×
11
15
183
0
+
×
12
15
184
0
+
×
50
13
15
185
0
+
×
14
15
186
0
+
×
15
15
187
0
+
×
16
15
188
0
+
×
17
15
189
0
+
×
18
15
190
0
+
×
19
15
191
0
+
×
51
20
15
192
0
+
×
21
15
193
0
+
×
22
15
194
0
+
×
23
15
195
0
+
×
24
15
196
0
+
×
25
15
197
0
Christmas Day
+
×
26
15
198
0
+
×
52
27
15
199
0
+
×
28
15
200
0
+
×
29
15
201
0
+
×
30
15
202
0
+
×
31
15
203
0
+
×
01
January 2022
week
mon
tue
wed
thu
fri
sat
sun
52
01
15
204
0
New Year's Day
+
×
02
15
205
0
+
×
01
03
15
206
0
+
×
04
15
207
0
+
×
05
15
208
0
+
×
06
15
209
0
+
×
07
15
210
0
+
×
08
15
211
0
+
×
09
15
212
0
+
×
02
10
15
213
0
+
×
11
15
214
0
+
×
12
15
215
0
+
×
13
15
216
0
+
×
14
15
217
0
+
×
15
15
218
0
+
×
16
15
219
0
+
×
03
17
15
220
0
+
×
18
15
221
0
+
×
19
15
222
0
+
×
20
15
223
0
+
×
21
15
224
0
+
×
22
15
225
0
+
×
23
15
226
0
+
×
04
24
15
227
0
+
×
25
15
228
0
+
×
26
15
229
0
+
×
27
15
230
0
+
×
28
15
231
0
+
×
29
15
232
0
+
×
30
15
233
0
+
×
05
31
15
234
0
Korean New Year's Day1
+
×
February 2022
week
mon
tue
wed
thu
fri
sat
sun
05
01
15
235
0
Korean New Year's Day2
+
×
02
15
236
0
Korean New Year's Day3
+
×
03
15
237
0
+
×
04
15
238
0
+
×
05
15
239
0
+
×
06
15
240
0
+
×
06
07
15
241
0
+
×
08
15
242
0
+
×
09
15
243
0
+
×
10
15
244
0
+
×
11
15
245
0
+
×
12
15
246
0
+
×
13
15
247
0
+
×
07
14
15
248
0
+
×
15
15
249
0
+
×
16
15
250
0
+
×
17
15
251
0
+
×
18
15
252
0
+
×
19
15
253
0
+
×
20
15
254
0
+
×
08
21
15
255
0
+
×
22
15
256
0
+
×
23
15
257
0
+
×
24
15
258
0
+
×
25
15
259
0
+
×
26
15
260
0
+
×
27
15
261
0
+
×
09
28
15
262
0
+
×
10
March 2022
week
mon
tue
wed
thu
fri
sat
sun
09
01
15
263
0
Independence day
+
×
02
15
264
0
+
×
03
15
265
0
+
×
04
15
266
0
+
×
05
15
267
0
+
×
06
15
268
0
+
×
10
07
15
269
0
+
×
08
15
270
0
+
×
09
15
271
0
+
×
10
15
272
0
+
×
11
15
273
0
+
×
12
15
274
0
+
×
13
15
275
0
+
×
11
14
15
276
0
+
×
15
15
277
0
+
×
16
15
278
0
+
×
17
15
279
0
+
×
18
15
280
0
+
×
19
15
281
0
+
×
20
15
282
0
+
×
12
21
15
283
0
+
×
22
15
284
0
+
×
23
15
285
0
+
×
24
15
286
0
+
×
25
15
287
0
+
×
26
15
288
0
+
×
27
15
289
0
+
×
13
28
15
290
0
+
×
29
15
291
0
+
×
30
15
292
0
+
×
31
15
293
0
+
×
14
April 2022
week
mon
tue
wed
thu
fri
sat
sun
13
01
15
294
0
+
×
02
15
295
0
+
×
03
15
296
0
+
×
14
04
15
297
0
+
×
05
15
298
0
+
×
06
15
299
0
+
×
07
15
300
0
+
×
08
15
301
0
+
×
09
15
302
0
+
×
10
15
303
0
+
×
15
11
15
304
0
+
×
12
15
305
0
+
×
13
15
306
0
+
×
14
15
307
0
+
×
15
15
308
0
+
×
16
15
309
0
+
×
17
15
310
0
+
×
16
18
15
311
0
+
×
19
15
312
0
+
×
20
15
313
0
+
×
21
15
314
0
+
×
22
15
315
0
+
×
23
15
316
0
+
×
24
15
317
0
+
×
17
25
15
318
0
+
×
26
15
319
0
+
×
27
15
320
0
+
×
28
15
321
0
+
×
29
15
322
0
+
×
30
15
323
0
+
×
18
May 2022
week
mon
tue
wed
thu
fri
sat
sun
17
01
15
324
0
Labor Day
+
×
18
02
15
325
0
+
×
03
15
326
0
+
×
04
15
327
0
+
×
05
15
328
0
Children's Day
+
×
06
15
329
0
+
×
07
15
330
0
+
×
08
15
331
0
Buddha's Birthday
+
×
19
09
15
332
0
+
×
10
15
333
0
+
×
11
15
334
0
+
×
12
15
335
0
+
×
13
15
336
0
+
×
14
15
337
0
+
×
15
15
338
0
+
×
20
16
15
339
0
+
×
17
15
340
0
+
×
18
15
341
0
+
×
19
15
342
0
+
×
20
15
343
0
+
×
21
15
344
0
+
×
22
15
345
0
+
×
21
23
15
346
0
+
×
24
15
347
0
+
×
25
15
348
0
+
×
26
15
349
0
+
×
27
15
350
0
+
×
28
15
351
0
+
×
29
15
352
0
+
×
22
30
15
353
0
+
×
31
15
354
0
+
×
June 2022
week
mon
tue
wed
thu
fri
sat
sun
22
01
15
355
0
+
×
02
15
356
0
+
×
03
15
357
0
+
×
04
15
358
0
+
×
05
15
359
0
+
×
23
06
15
360
0
Memorial Day
+
×
07
15
361
0
+
×
08
15
362
0
+
×
09
15
363
0
+
×
10
15
364
0
+
×
11
15
365
0
+
×
12
15
366
0
+
×
24
25
26
27
 
Public holidays
Weekend days
Days to take
Holidays
Days to take:
You can now adjust the optimization by clicking on the calendar
Holidays length:
Optimization factor:
?
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