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