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:
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I know I want to be on vacation
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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 ()
January 2021
week
mon
tue
wed
thu
fri
sat
sun
53
01
02
13
15
0
0
+
×
14
15
1
0
+
×
15
15
2
0
+
×
16
15
3
0
+
×
17
15
4
0
+
×
03
18
15
5
0
+
×
19
15
6
0
+
×
20
15
7
0
+
×
21
15
8
0
+
×
22
15
9
0
+
×
23
15
10
0
+
×
24
15
11
0
+
×
04
25
15
12
0
+
×
26
15
13
0
+
×
27
15
14
0
+
×
28
15
15
0
+
×
29
15
16
0
+
×
30
15
17
0
+
×
31
15
18
0
+
×
05
February 2021
week
mon
tue
wed
thu
fri
sat
sun
05
01
15
19
0
+
×
02
15
20
0
+
×
03
15
21
0
+
×
04
15
22
0
+
×
05
15
23
0
+
×
06
15
24
0
+
×
07
15
25
0
+
×
06
08
15
26
0
+
×
09
15
27
0
+
×
10
15
28
0
+
×
11
15
29
0
Foundation Day
+
×
12
15
30
0
+
×
13
15
31
0
+
×
14
15
32
0
+
×
07
15
15
33
0
+
×
16
15
34
0
+
×
17
15
35
0
+
×
18
15
36
0
+
×
19
15
37
0
+
×
20
15
38
0
+
×
21
15
39
0
+
×
08
22
15
40
0
+
×
23
15
41
0
Emperor's Birthday
+
×
24
15
42
0
+
×
25
15
43
0
+
×
26
15
44
0
+
×
27
15
45
0
+
×
28
15
46
0
+
×
09
10
March 2021
week
mon
tue
wed
thu
fri
sat
sun
09
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
+
×
10
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
+
×
11
15
15
61
0
+
×
16
15
62
0
+
×
17
15
63
0
+
×
18
15
64
0
+
×
19
15
65
0
+
×
20
15
66
0
Vernal Equinox Day
+
×
21
15
67
0
+
×
12
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
+
×
13
29
15
75
0
+
×
30
15
76
0
+
×
31
15
77
0
+
×
14
April 2021
week
mon
tue
wed
thu
fri
sat
sun
13
01
15
78
0
+
×
02
15
79
0
+
×
03
15
80
0
+
×
04
15
81
0
+
×
14
05
15
82
0
+
×
06
15
83
0
+
×
07
15
84
0
+
×
08
15
85
0
+
×
09
15
86
0
+
×
10
15
87
0
+
×
11
15
88
0
+
×
15
12
15
89
0
+
×
13
15
90
0
+
×
14
15
91
0
+
×
15
15
92
0
+
×
16
15
93
0
+
×
17
15
94
0
+
×
18
15
95
0
+
×
16
19
15
96
0
+
×
20
15
97
0
+
×
21
15
98
0
+
×
22
15
99
0
+
×
23
15
100
0
+
×
24
15
101
0
+
×
25
15
102
0
+
×
17
26
15
103
0
+
×
27
15
104
0
+
×
28
15
105
0
+
×
29
15
106
0
Shōwa Day
+
×
30
15
107
0
+
×
18
 
May 2021
week
mon
tue
wed
thu
fri
sat
sun
17
01
15
108
0
+
×
02
15
109
0
+
×
18
03
15
110
0
Constitution Memorial Day
+
×
04
15
111
0
Greenery Day
+
×
05
15
112
0
Children's Day
+
×
06
15
113
0
+
×
07
15
114
0
+
×
08
15
115
0
+
×
09
15
116
0
+
×
19
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
+
×
20
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
+
×
21
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
+
×
22
31
15
138
0
+
×
June 2021
week
mon
tue
wed
thu
fri
sat
sun
22
01
15
139
0
+
×
02
15
140
0
+
×
03
15
141
0
+
×
04
15
142
0
+
×
05
15
143
0
+
×
06
15
144
0
+
×
23
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
+
×
24
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
+
×
25
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
+
×
26
28
15
166
0
+
×
29
15
167
0
+
×
30
15
168
0
+
×
27
July 2021
week
mon
tue
wed
thu
fri
sat
sun
26
01
15
169
0
+
×
02
15
170
0
+
×
03
15
171
0
+
×
04
15
172
0
+
×
27
05
15
173
0
+
×
06
15
174
0
+
×
07
15
175
0
+
×
08
15
176
0
+
×
09
15
177
0
+
×
10
15
178
0
+
×
11
15
179
0
+
×
28
12
15
180
0
+
×
13
15
181
0
+
×
14
15
182
0
+
×
15
15
183
0
+
×
16
15
184
0
+
×
17
15
185
0
+
×
18
15
186
0
+
×
29
19
15
187
0
+
×
20
15
188
0
+
×
21
15
189
0
+
×
22
15
190
0
Marine Day
+
×
23
15
191
0
Health and Sports Day
+
×
24
15
192
0
+
×
25
15
193
0
+
×
30
26
15
194
0
+
×
27
15
195
0
+
×
28
15
196
0
+
×
29
15
197
0
+
×
30
15
198
0
+
×
31
15
199
0
+
×
31
August 2021
week
mon
tue
wed
thu
fri
sat
sun
30
01
15
200
0
+
×
31
02
15
201
0
+
×
03
15
202
0
+
×
04
15
203
0
+
×
05
15
204
0
+
×
06
15
205
0
+
×
07
15
206
0
+
×
08
15
207
0
Mountain Day
+
×
32
09
15
208
0
Mountain Day (in lieu)
+
×
10
15
209
0
+
×
11
15
210
0
+
×
12
15
211
0
+
×
13
15
212
0
+
×
14
15
213
0
+
×
15
15
214
0
+
×
33
16
15
215
0
+
×
17
15
216
0
+
×
18
15
217
0
+
×
19
15
218
0
+
×
20
15
219
0
+
×
21
15
220
0
+
×
22
15
221
0
+
×
34
23
15
222
0
+
×
24
15
223
0
+
×
25
15
224
0
+
×
26
15
225
0
+
×
27
15
226
0
+
×
28
15
227
0
+
×
29
15
228
0
+
×
35
30
15
229
0
+
×
31
15
230
0
+
×
September 2021
week
mon
tue
wed
thu
fri
sat
sun
35
01
15
231
0
+
×
02
15
232
0
+
×
03
15
233
0
+
×
04
15
234
0
+
×
05
15
235
0
+
×
36
06
15
236
0
+
×
07
15
237
0
+
×
08
15
238
0
+
×
09
15
239
0
+
×
10
15
240
0
+
×
11
15
241
0
+
×
12
15
242
0
+
×
37
13
15
243
0
+
×
14
15
244
0
+
×
15
15
245
0
+
×
16
15
246
0
+
×
17
15
247
0
+
×
18
15
248
0
+
×
19
15
249
0
+
×
38
20
15
250
0
Respect-for-Aged Day
+
×
21
15
251
0
+
×
22
15
252
0
+
×
23
15
253
0
Autumnal Equinox Day
+
×
24
15
254
0
+
×
25
15
255
0
+
×
26
15
256
0
+
×
39
27
15
257
0
+
×
28
15
258
0
+
×
29
15
259
0
+
×
30
15
260
0
+
×
40
October 2021
week
mon
tue
wed
thu
fri
sat
sun
39
01
15
261
0
+
×
02
15
262
0
+
×
03
15
263
0
+
×
40
04
15
264
0
+
×
05
15
265
0
+
×
06
15
266
0
+
×
07
15
267
0
+
×
08
15
268
0
+
×
09
15
269
0
+
×
10
15
270
0
+
×
41
11
15
271
0
+
×
12
15
272
0
+
×
13
15
273
0
+
×
14
15
274
0
+
×
15
15
275
0
+
×
16
15
276
0
+
×
17
15
277
0
+
×
42
18
15
278
0
+
×
19
15
279
0
+
×
20
15
280
0
+
×
21
15
281
0
+
×
22
15
282
0
+
×
23
15
283
0
+
×
24
15
284
0
+
×
43
25
15
285
0
+
×
26
15
286
0
+
×
27
15
287
0
+
×
28
15
288
0
+
×
29
15
289
0
+
×
30
15
290
0
+
×
31
15
291
0
+
×
44
November 2021
week
mon
tue
wed
thu
fri
sat
sun
44
01
15
292
0
+
×
02
15
293
0
+
×
03
15
294
0
Culture Day
+
×
04
15
295
0
+
×
05
15
296
0
+
×
06
15
297
0
+
×
07
15
298
0
+
×
45
08
15
299
0
+
×
09
15
300
0
+
×
10
15
301
0
+
×
11
15
302
0
+
×
12
15
303
0
+
×
13
15
304
0
+
×
14
15
305
0
+
×
46
15
15
306
0
+
×
16
15
307
0
+
×
17
15
308
0
+
×
18
15
309
0
+
×
19
15
310
0
+
×
20
15
311
0
+
×
21
15
312
0
+
×
47
22
15
313
0
+
×
23
15
314
0
Labor Thanksgiving Day
+
×
24
15
315
0
+
×
25
15
316
0
+
×
26
15
317
0
+
×
27
15
318
0
+
×
28
15
319
0
+
×
48
29
15
320
0
+
×
30
15
321
0
+
×
49
December 2021
week
mon
tue
wed
thu
fri
sat
sun
48
01
15
322
0
+
×
02
15
323
0
+
×
03
15
324
0
+
×
04
15
325
0
+
×
05
15
326
0
+
×
49
06
15
327
0
+
×
07
15
328
0
+
×
08
15
329
0
+
×
09
15
330
0
+
×
10
15
331
0
+
×
11
15
332
0
+
×
12
15
333
0
+
×
50
13
15
334
0
+
×
14
15
335
0
+
×
15
15
336
0
+
×
16
15
337
0
+
×
17
15
338
0
+
×
18
15
339
0
+
×
19
15
340
0
+
×
51
20
15
341
0
+
×
21
15
342
0
+
×
22
15
343
0
+
×
23
15
344
0
+
×
24
15
345
0
+
×
25
15
346
0
+
×
26
15
347
0
+
×
52
27
15
348
0
+
×
28
15
349
0
+
×
29
15
350
0
+
×
30
15
351
0
+
×
31
15
352
0
+
×
01
January 2022
week
mon
tue
wed
thu
fri
sat
sun
52
01
15
353
0
New Year's Day
+
×
02
15
354
0
+
×
01
03
15
355
0
New Year's Day observed
+
×
04
15
356
0
+
×
05
15
357
0
+
×
06
15
358
0
+
×
07
15
359
0
+
×
08
15
360
0
+
×
09
15
361
0
+
×
02
10
15
362
0
Coming of Age Day
+
×
11
15
363
0
+
×
12
15
364
0
+
×
13
15
365
0
+
×
03
04
05
 
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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