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