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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 ()
December 2019
week
Mon
Tue
Wed
Thu
Fri
Sat
Sun
48
49
50
51
16
15
0
0
+
×
17
15
1
0
+
×
18
15
2
0
+
×
19
15
3
0
+
×
20
15
4
0
+
×
21
15
5
0
+
×
22
15
6
0
+
×
52
23
15
7
0
+
×
24
15
8
0
+
×
25
15
9
0
Christmas Day
+
×
26
15
10
0
Boxing Day
+
×
27
15
11
0
+
×
28
15
12
0
+
×
29
15
13
0
+
×
01
30
15
14
0
+
×
31
15
15
0
+
×
January 2020
week
Mon
Tue
Wed
Thu
Fri
Sat
Sun
01
01
15
16
0
New Year's Day
+
×
02
15
17
0
+
×
03
15
18
0
+
×
04
15
19
0
+
×
05
15
20
0
+
×
02
06
15
21
0
+
×
07
15
22
0
+
×
08
15
23
0
+
×
09
15
24
0
+
×
10
15
25
0
+
×
11
15
26
0
+
×
12
15
27
0
+
×
03
13
15
28
0
+
×
14
15
29
0
+
×
15
15
30
0
+
×
16
15
31
0
+
×
17
15
32
0
+
×
18
15
33
0
+
×
19
15
34
0
+
×
04
20
15
35
0
+
×
21
15
36
0
+
×
22
15
37
0
+
×
23
15
38
0
+
×
24
15
39
0
+
×
25
15
40
0
+
×
26
15
41
0
+
×
05
27
15
42
0
+
×
28
15
43
0
+
×
29
15
44
0
+
×
30
15
45
0
+
×
31
15
46
0
+
×
06
February 2020
week
Mon
Tue
Wed
Thu
Fri
Sat
Sun
05
01
15
47
0
+
×
02
15
48
0
+
×
06
03
15
49
0
+
×
04
15
50
0
+
×
05
15
51
0
+
×
06
15
52
0
+
×
07
15
53
0
+
×
08
15
54
0
+
×
09
15
55
0
+
×
07
10
15
56
0
+
×
11
15
57
0
+
×
12
15
58
0
+
×
13
15
59
0
+
×
14
15
60
0
+
×
15
15
61
0
+
×
16
15
62
0
+
×
08
17
15
63
0
+
×
18
15
64
0
+
×
19
15
65
0
+
×
20
15
66
0
+
×
21
15
67
0
+
×
22
15
68
0
+
×
23
15
69
0
+
×
09
24
15
70
0
+
×
25
15
71
0
+
×
26
15
72
0
+
×
27
15
73
0
+
×
28
15
74
0
+
×
29
15
75
0
+
×
10
March 2020
week
Mon
Tue
Wed
Thu
Fri
Sat
Sun
09
01
15
76
0
+
×
10
02
15
77
0
+
×
03
15
78
0
+
×
04
15
79
0
+
×
05
15
80
0
+
×
06
15
81
0
+
×
07
15
82
0
+
×
08
15
83
0
International Women's Day
+
×
11
09
15
84
0
+
×
10
15
85
0
+
×
11
15
86
0
+
×
12
15
87
0
+
×
13
15
88
0
+
×
14
15
89
0
+
×
15
15
90
0
+
×
12
16
15
91
0
+
×
17
15
92
0
+
×
18
15
93
0
+
×
19
15
94
0
+
×
20
15
95
0
+
×
21
15
96
0
+
×
22
15
97
0
+
×
13
23
15
98
0
+
×
24
15
99
0
+
×
25
15
100
0
+
×
26
15
101
0
+
×
27
15
102
0
+
×
28
15
103
0
+
×
29
15
104
0
+
×
14
30
15
105
0
+
×
31
15
106
0
+
×
 
April 2020
week
Mon
Tue
Wed
Thu
Fri
Sat
Sun
14
01
15
107
0
+
×
02
15
108
0
+
×
03
15
109
0
+
×
04
15
110
0
+
×
05
15
111
0
+
×
15
06
15
112
0
+
×
07
15
113
0
+
×
08
15
114
0
+
×
09
15
115
0
+
×
10
15
116
0
Good Friday
+
×
11
15
117
0
+
×
12
15
118
0
+
×
16
13
15
119
0
Easter Monday
+
×
14
15
120
0
+
×
15
15
121
0
+
×
16
15
122
0
+
×
17
15
123
0
+
×
18
15
124
0
+
×
19
15
125
0
+
×
17
20
15
126
0
+
×
21
15
127
0
+
×
22
15
128
0
+
×
23
15
129
0
+
×
24
15
130
0
+
×
25
15
131
0
+
×
26
15
132
0
+
×
18
27
15
133
0
+
×
28
15
134
0
+
×
29
15
135
0
+
×
30
15
136
0
+
×
19
May 2020
week
Mon
Tue
Wed
Thu
Fri
Sat
Sun
18
01
15
137
0
Labour Day
+
×
02
15
138
0
+
×
03
15
139
0
+
×
19
04
15
140
0
+
×
05
15
141
0
+
×
06
15
142
0
+
×
07
15
143
0
+
×
08
15
144
0
+
×
09
15
145
0
+
×
10
15
146
0
+
×
20
11
15
147
0
+
×
12
15
148
0
+
×
13
15
149
0
+
×
14
15
150
0
+
×
15
15
151
0
+
×
16
15
152
0
+
×
17
15
153
0
+
×
21
18
15
154
0
+
×
19
15
155
0
+
×
20
15
156
0
+
×
21
15
157
0
Ascension Day
+
×
22
15
158
0
+
×
23
15
159
0
+
×
24
15
160
0
+
×
22
25
15
161
0
+
×
26
15
162
0
+
×
27
15
163
0
+
×
28
15
164
0
+
×
29
15
165
0
+
×
30
15
166
0
+
×
31
15
167
0
+
×
23
June 2020
week
Mon
Tue
Wed
Thu
Fri
Sat
Sun
23
01
15
168
0
Whit Monday
+
×
02
15
169
0
+
×
03
15
170
0
+
×
04
15
171
0
+
×
05
15
172
0
+
×
06
15
173
0
+
×
07
15
174
0
+
×
24
08
15
175
0
+
×
09
15
176
0
+
×
10
15
177
0
+
×
11
15
178
0
+
×
12
15
179
0
+
×
13
15
180
0
+
×
14
15
181
0
+
×
25
15
15
182
0
+
×
16
15
183
0
+
×
17
15
184
0
+
×
18
15
185
0
+
×
19
15
186
0
+
×
20
15
187
0
+
×
21
15
188
0
+
×
26
22
15
189
0
+
×
23
15
190
0
+
×
24
15
191
0
+
×
25
15
192
0
+
×
26
15
193
0
+
×
27
15
194
0
+
×
28
15
195
0
+
×
27
29
15
196
0
+
×
30
15
197
0
+
×
28
July 2020
week
Mon
Tue
Wed
Thu
Fri
Sat
Sun
27
01
15
198
0
+
×
02
15
199
0
+
×
03
15
200
0
+
×
04
15
201
0
+
×
05
15
202
0
+
×
28
06
15
203
0
+
×
07
15
204
0
+
×
08
15
205
0
+
×
09
15
206
0
+
×
10
15
207
0
+
×
11
15
208
0
+
×
12
15
209
0
+
×
29
13
15
210
0
+
×
14
15
211
0
+
×
15
15
212
0
+
×
16
15
213
0
+
×
17
15
214
0
+
×
18
15
215
0
+
×
19
15
216
0
+
×
30
20
15
217
0
+
×
21
15
218
0
+
×
22
15
219
0
+
×
23
15
220
0
+
×
24
15
221
0
+
×
25
15
222
0
+
×
26
15
223
0
+
×
31
27
15
224
0
+
×
28
15
225
0
+
×
29
15
226
0
+
×
30
15
227
0
+
×
31
15
228
0
+
×
32
August 2020
week
Mon
Tue
Wed
Thu
Fri
Sat
Sun
31
01
15
229
0
+
×
02
15
230
0
+
×
32
03
15
231
0
+
×
04
15
232
0
+
×
05
15
233
0
+
×
06
15
234
0
+
×
07
15
235
0
+
×
08
15
236
0
+
×
09
15
237
0
+
×
33
10
15
238
0
+
×
11
15
239
0
+
×
12
15
240
0
+
×
13
15
241
0
+
×
14
15
242
0
+
×
15
15
243
0
+
×
16
15
244
0
+
×
34
17
15
245
0
+
×
18
15
246
0
+
×
19
15
247
0
+
×
20
15
248
0
+
×
21
15
249
0
+
×
22
15
250
0
+
×
23
15
251
0
+
×
35
24
15
252
0
+
×
25
15
253
0
+
×
26
15
254
0
+
×
27
15
255
0
+
×
28
15
256
0
+
×
29
15
257
0
+
×
30
15
258
0
+
×
36
31
15
259
0
+
×
September 2020
week
Mon
Tue
Wed
Thu
Fri
Sat
Sun
36
01
15
260
0
+
×
02
15
261
0
+
×
03
15
262
0
+
×
04
15
263
0
+
×
05
15
264
0
+
×
06
15
265
0
+
×
37
07
15
266
0
+
×
08
15
267
0
+
×
09
15
268
0
+
×
10
15
269
0
+
×
11
15
270
0
+
×
12
15
271
0
+
×
13
15
272
0
+
×
38
14
15
273
0
+
×
15
15
274
0
+
×
16
15
275
0
+
×
17
15
276
0
+
×
18
15
277
0
+
×
19
15
278
0
+
×
20
15
279
0
+
×
39
21
15
280
0
+
×
22
15
281
0
+
×
23
15
282
0
+
×
24
15
283
0
+
×
25
15
284
0
+
×
26
15
285
0
+
×
27
15
286
0
+
×
40
28
15
287
0
+
×
29
15
288
0
+
×
30
15
289
0
+
×
41
October 2020
week
Mon
Tue
Wed
Thu
Fri
Sat
Sun
40
01
15
290
0
+
×
02
15
291
0
+
×
03
15
292
0
Day of German Unity
+
×
04
15
293
0
+
×
41
05
15
294
0
+
×
06
15
295
0
+
×
07
15
296
0
+
×
08
15
297
0
+
×
09
15
298
0
+
×
10
15
299
0
+
×
11
15
300
0
+
×
42
12
15
301
0
+
×
13
15
302
0
+
×
14
15
303
0
+
×
15
15
304
0
+
×
16
15
305
0
+
×
17
15
306
0
+
×
18
15
307
0
+
×
43
19
15
308
0
+
×
20
15
309
0
+
×
21
15
310
0
+
×
22
15
311
0
+
×
23
15
312
0
+
×
24
15
313
0
+
×
25
15
314
0
+
×
44
26
15
315
0
+
×
27
15
316
0
+
×
28
15
317
0
+
×
29
15
318
0
+
×
30
15
319
0
+
×
31
15
320
0
Reformation Day
+
×
45
November 2020
week
Mon
Tue
Wed
Thu
Fri
Sat
Sun
44
01
15
321
0
+
×
45
02
15
322
0
+
×
03
15
323
0
+
×
04
15
324
0
+
×
05
15
325
0
+
×
06
15
326
0
+
×
07
15
327
0
+
×
08
15
328
0
+
×
46
09
15
329
0
+
×
10
15
330
0
+
×
11
15
331
0
+
×
12
15
332
0
+
×
13
15
333
0
+
×
14
15
334
0
+
×
15
15
335
0
+
×
47
16
15
336
0
+
×
17
15
337
0
+
×
18
15
338
0
+
×
19
15
339
0
+
×
20
15
340
0
+
×
21
15
341
0
+
×
22
15
342
0
+
×
48
23
15
343
0
+
×
24
15
344
0
+
×
25
15
345
0
+
×
26
15
346
0
+
×
27
15
347
0
+
×
28
15
348
0
+
×
29
15
349
0
+
×
49
30
15
350
0
+
×
December 2020
week
Mon
Tue
Wed
Thu
Fri
Sat
Sun
49
01
15
351
0
+
×
02
15
352
0
+
×
03
15
353
0
+
×
04
15
354
0
+
×
05
15
355
0
+
×
06
15
356
0
+
×
50
07
15
357
0
+
×
08
15
358
0
+
×
09
15
359
0
+
×
10
15
360
0
+
×
11
15
361
0
+
×
12
15
362
0
+
×
13
15
363
0
+
×
51
14
15
364
0
+
×
15
15
365
0
+
×
16
15
366
0
+
×
52
53
01
 
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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