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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 ()
April 2021
week
mon
tue
wed
thu
fri
sat
sun
13
14
08
15
0
0
+
×
09
15
1
0
+
×
10
15
2
0
+
×
11
15
3
0
+
×
15
12
15
4
0
+
×
13
15
5
0
+
×
14
15
6
0
+
×
15
15
7
0
+
×
16
15
8
0
+
×
17
15
9
0
+
×
18
15
10
0
+
×
16
19
15
11
0
+
×
20
15
12
0
+
×
21
15
13
0
+
×
22
15
14
0
+
×
23
15
15
0
+
×
24
15
16
0
+
×
25
15
17
0
+
×
17
26
15
18
0
+
×
27
15
19
0
+
×
28
15
20
0
+
×
29
15
21
0
+
×
30
15
22
0
+
×
18
May 2021
week
mon
tue
wed
thu
fri
sat
sun
17
01
15
23
0
Labour Day
+
×
02
15
24
0
+
×
18
03
15
25
0
+
×
04
15
26
0
+
×
05
15
27
0
+
×
06
15
28
0
+
×
07
15
29
0
+
×
08
15
30
0
+
×
09
15
31
0
+
×
19
10
15
32
0
+
×
11
15
33
0
+
×
12
15
34
0
+
×
13
15
35
0
+
×
14
15
36
0
+
×
15
15
37
0
+
×
16
15
38
0
+
×
20
17
15
39
0
+
×
18
15
40
0
+
×
19
15
41
0
+
×
20
15
42
0
+
×
21
15
43
0
+
×
22
15
44
0
+
×
23
15
45
0
Pentecost Sunday
+
×
21
24
15
46
0
Pentecost Monday
+
×
25
15
47
0
+
×
26
15
48
0
+
×
27
15
49
0
+
×
28
15
50
0
+
×
29
15
51
0
+
×
30
15
52
0
+
×
22
31
15
53
0
+
×
June 2021
week
mon
tue
wed
thu
fri
sat
sun
22
01
15
54
0
+
×
02
15
55
0
+
×
03
15
56
0
+
×
04
15
57
0
+
×
05
15
58
0
+
×
06
15
59
0
+
×
23
07
15
60
0
+
×
08
15
61
0
+
×
09
15
62
0
+
×
10
15
63
0
+
×
11
15
64
0
+
×
12
15
65
0
+
×
13
15
66
0
+
×
24
14
15
67
0
+
×
15
15
68
0
+
×
16
15
69
0
+
×
17
15
70
0
+
×
18
15
71
0
+
×
19
15
72
0
+
×
20
15
73
0
+
×
25
21
15
74
0
+
×
22
15
75
0
+
×
23
15
76
0
+
×
24
15
77
0
+
×
25
15
78
0
+
×
26
15
79
0
+
×
27
15
80
0
+
×
26
28
15
81
0
+
×
29
15
82
0
+
×
30
15
83
0
+
×
27
July 2021
week
mon
tue
wed
thu
fri
sat
sun
26
01
15
84
0
+
×
02
15
85
0
+
×
03
15
86
0
+
×
04
15
87
0
+
×
27
05
15
88
0
+
×
06
15
89
0
+
×
07
15
90
0
+
×
08
15
91
0
+
×
09
15
92
0
+
×
10
15
93
0
+
×
11
15
94
0
+
×
28
12
15
95
0
+
×
13
15
96
0
+
×
14
15
97
0
+
×
15
15
98
0
+
×
16
15
99
0
+
×
17
15
100
0
+
×
18
15
101
0
+
×
29
19
15
102
0
+
×
20
15
103
0
+
×
21
15
104
0
+
×
22
15
105
0
+
×
23
15
106
0
+
×
24
15
107
0
+
×
25
15
108
0
+
×
30
26
15
109
0
+
×
27
15
110
0
+
×
28
15
111
0
+
×
29
15
112
0
+
×
30
15
113
0
+
×
31
15
114
0
+
×
31
 
August 2021
week
mon
tue
wed
thu
fri
sat
sun
30
01
15
115
0
+
×
31
02
15
116
0
+
×
03
15
117
0
+
×
04
15
118
0
+
×
05
15
119
0
+
×
06
15
120
0
+
×
07
15
121
0
+
×
08
15
122
0
+
×
32
09
15
123
0
+
×
10
15
124
0
+
×
11
15
125
0
+
×
12
15
126
0
+
×
13
15
127
0
+
×
14
15
128
0
+
×
15
15
129
0
+
×
33
16
15
130
0
+
×
17
15
131
0
+
×
18
15
132
0
+
×
19
15
133
0
+
×
20
15
134
0
State Foundation Day
+
×
21
15
135
0
+
×
22
15
136
0
+
×
34
23
15
137
0
+
×
24
15
138
0
+
×
25
15
139
0
+
×
26
15
140
0
+
×
27
15
141
0
+
×
28
15
142
0
+
×
29
15
143
0
+
×
35
30
15
144
0
+
×
31
15
145
0
+
×
September 2021
week
mon
tue
wed
thu
fri
sat
sun
35
01
15
146
0
+
×
02
15
147
0
+
×
03
15
148
0
+
×
04
15
149
0
+
×
05
15
150
0
+
×
36
06
15
151
0
+
×
07
15
152
0
+
×
08
15
153
0
+
×
09
15
154
0
+
×
10
15
155
0
+
×
11
15
156
0
+
×
12
15
157
0
+
×
37
13
15
158
0
+
×
14
15
159
0
+
×
15
15
160
0
+
×
16
15
161
0
+
×
17
15
162
0
+
×
18
15
163
0
+
×
19
15
164
0
+
×
38
20
15
165
0
+
×
21
15
166
0
+
×
22
15
167
0
+
×
23
15
168
0
+
×
24
15
169
0
+
×
25
15
170
0
+
×
26
15
171
0
+
×
39
27
15
172
0
+
×
28
15
173
0
+
×
29
15
174
0
+
×
30
15
175
0
+
×
40
October 2021
week
mon
tue
wed
thu
fri
sat
sun
39
01
15
176
0
+
×
02
15
177
0
+
×
03
15
178
0
+
×
40
04
15
179
0
+
×
05
15
180
0
+
×
06
15
181
0
+
×
07
15
182
0
+
×
08
15
183
0
+
×
09
15
184
0
+
×
10
15
185
0
+
×
41
11
15
186
0
+
×
12
15
187
0
+
×
13
15
188
0
+
×
14
15
189
0
+
×
15
15
190
0
+
×
16
15
191
0
+
×
17
15
192
0
+
×
42
18
15
193
0
+
×
19
15
194
0
+
×
20
15
195
0
+
×
21
15
196
0
+
×
22
15
197
0
+
×
23
15
198
0
National Day
+
×
24
15
199
0
+
×
43
25
15
200
0
+
×
26
15
201
0
+
×
27
15
202
0
+
×
28
15
203
0
+
×
29
15
204
0
+
×
30
15
205
0
+
×
31
15
206
0
+
×
44
November 2021
week
mon
tue
wed
thu
fri
sat
sun
44
01
15
207
0
All Saints' Day
+
×
02
15
208
0
+
×
03
15
209
0
+
×
04
15
210
0
+
×
05
15
211
0
+
×
06
15
212
0
+
×
07
15
213
0
+
×
45
08
15
214
0
+
×
09
15
215
0
+
×
10
15
216
0
+
×
11
15
217
0
+
×
12
15
218
0
+
×
13
15
219
0
+
×
14
15
220
0
+
×
46
15
15
221
0
+
×
16
15
222
0
+
×
17
15
223
0
+
×
18
15
224
0
+
×
19
15
225
0
+
×
20
15
226
0
+
×
21
15
227
0
+
×
47
22
15
228
0
+
×
23
15
229
0
+
×
24
15
230
0
+
×
25
15
231
0
+
×
26
15
232
0
+
×
27
15
233
0
+
×
28
15
234
0
+
×
48
29
15
235
0
+
×
30
15
236
0
+
×
49
December 2021
week
mon
tue
wed
thu
fri
sat
sun
48
01
15
237
0
+
×
02
15
238
0
+
×
03
15
239
0
+
×
04
15
240
0
+
×
05
15
241
0
+
×
49
06
15
242
0
+
×
07
15
243
0
+
×
08
15
244
0
+
×
09
15
245
0
+
×
10
15
246
0
+
×
11
15
247
0
+
×
12
15
248
0
+
×
50
13
15
249
0
+
×
14
15
250
0
+
×
15
15
251
0
+
×
16
15
252
0
+
×
17
15
253
0
+
×
18
15
254
0
+
×
19
15
255
0
+
×
51
20
15
256
0
+
×
21
15
257
0
+
×
22
15
258
0
+
×
23
15
259
0
+
×
24
15
260
0
+
×
25
15
261
0
Christmas Day
+
×
26
15
262
0
Second Day of Christmas
+
×
52
27
15
263
0
+
×
28
15
264
0
+
×
29
15
265
0
+
×
30
15
266
0
+
×
31
15
267
0
+
×
01
January 2022
week
mon
tue
wed
thu
fri
sat
sun
52
01
15
268
0
New Year's Day
+
×
02
15
269
0
+
×
01
03
15
270
0
+
×
04
15
271
0
+
×
05
15
272
0
+
×
06
15
273
0
+
×
07
15
274
0
+
×
08
15
275
0
+
×
09
15
276
0
+
×
02
10
15
277
0
+
×
11
15
278
0
+
×
12
15
279
0
+
×
13
15
280
0
+
×
14
15
281
0
+
×
15
15
282
0
+
×
16
15
283
0
+
×
03
17
15
284
0
+
×
18
15
285
0
+
×
19
15
286
0
+
×
20
15
287
0
+
×
21
15
288
0
+
×
22
15
289
0
+
×
23
15
290
0
+
×
04
24
15
291
0
+
×
25
15
292
0
+
×
26
15
293
0
+
×
27
15
294
0
+
×
28
15
295
0
+
×
29
15
296
0
+
×
30
15
297
0
+
×
05
31
15
298
0
+
×
February 2022
week
mon
tue
wed
thu
fri
sat
sun
05
01
15
299
0
+
×
02
15
300
0
+
×
03
15
301
0
+
×
04
15
302
0
+
×
05
15
303
0
+
×
06
15
304
0
+
×
06
07
15
305
0
+
×
08
15
306
0
+
×
09
15
307
0
+
×
10
15
308
0
+
×
11
15
309
0
+
×
12
15
310
0
+
×
13
15
311
0
+
×
07
14
15
312
0
+
×
15
15
313
0
+
×
16
15
314
0
+
×
17
15
315
0
+
×
18
15
316
0
+
×
19
15
317
0
+
×
20
15
318
0
+
×
08
21
15
319
0
+
×
22
15
320
0
+
×
23
15
321
0
+
×
24
15
322
0
+
×
25
15
323
0
+
×
26
15
324
0
+
×
27
15
325
0
+
×
09
28
15
326
0
+
×
10
March 2022
week
mon
tue
wed
thu
fri
sat
sun
09
01
15
327
0
+
×
02
15
328
0
+
×
03
15
329
0
+
×
04
15
330
0
+
×
05
15
331
0
+
×
06
15
332
0
+
×
10
07
15
333
0
+
×
08
15
334
0
+
×
09
15
335
0
+
×
10
15
336
0
+
×
11
15
337
0
+
×
12
15
338
0
+
×
13
15
339
0
+
×
11
14
15
340
0
+
×
15
15
341
0
National Day
+
×
16
15
342
0
+
×
17
15
343
0
+
×
18
15
344
0
+
×
19
15
345
0
+
×
20
15
346
0
+
×
12
21
15
347
0
+
×
22
15
348
0
+
×
23
15
349
0
+
×
24
15
350
0
+
×
25
15
351
0
+
×
26
15
352
0
+
×
27
15
353
0
+
×
13
28
15
354
0
+
×
29
15
355
0
+
×
30
15
356
0
+
×
31
15
357
0
+
×
14
April 2022
week
mon
tue
wed
thu
fri
sat
sun
13
01
15
358
0
+
×
02
15
359
0
+
×
03
15
360
0
+
×
14
04
15
361
0
+
×
05
15
362
0
+
×
06
15
363
0
+
×
07
15
364
0
+
×
08
15
365
0
+
×
09
15
366
0
+
×
10
15
367
0
+
×
15
16
17
18
 
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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