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