×
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
EN | DE 
Language:



Español
Français
Português
Italiano
Deutsch
..in Poland
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 2020
week
mon
tue
wed
thu
fri
sat
sun
01
02
03
04
21
15
0
0
+
×
22
15
1
0
+
×
23
15
2
0
+
×
24
15
3
0
+
×
25
15
4
0
+
×
26
15
5
0
+
×
05
27
15
6
0
+
×
28
15
7
0
+
×
29
15
8
0
+
×
30
15
9
0
+
×
31
15
10
0
+
×
06
February 2020
week
mon
tue
wed
thu
fri
sat
sun
05
01
15
11
0
+
×
02
15
12
0
+
×
06
03
15
13
0
+
×
04
15
14
0
+
×
05
15
15
0
+
×
06
15
16
0
+
×
07
15
17
0
+
×
08
15
18
0
+
×
09
15
19
0
+
×
07
10
15
20
0
+
×
11
15
21
0
+
×
12
15
22
0
+
×
13
15
23
0
+
×
14
15
24
0
+
×
15
15
25
0
+
×
16
15
26
0
+
×
08
17
15
27
0
+
×
18
15
28
0
+
×
19
15
29
0
+
×
20
15
30
0
+
×
21
15
31
0
+
×
22
15
32
0
+
×
23
15
33
0
+
×
09
24
15
34
0
+
×
25
15
35
0
+
×
26
15
36
0
+
×
27
15
37
0
+
×
28
15
38
0
+
×
29
15
39
0
+
×
10
March 2020
week
mon
tue
wed
thu
fri
sat
sun
09
01
15
40
0
+
×
10
02
15
41
0
+
×
03
15
42
0
+
×
04
15
43
0
+
×
05
15
44
0
+
×
06
15
45
0
+
×
07
15
46
0
+
×
08
15
47
0
+
×
11
09
15
48
0
+
×
10
15
49
0
+
×
11
15
50
0
+
×
12
15
51
0
+
×
13
15
52
0
+
×
14
15
53
0
+
×
15
15
54
0
+
×
12
16
15
55
0
+
×
17
15
56
0
+
×
18
15
57
0
+
×
19
15
58
0
+
×
20
15
59
0
+
×
21
15
60
0
+
×
22
15
61
0
+
×
13
23
15
62
0
+
×
24
15
63
0
+
×
25
15
64
0
+
×
26
15
65
0
+
×
27
15
66
0
+
×
28
15
67
0
+
×
29
15
68
0
+
×
14
30
15
69
0
+
×
31
15
70
0
+
×
April 2020
week
mon
tue
wed
thu
fri
sat
sun
14
01
15
71
0
+
×
02
15
72
0
+
×
03
15
73
0
+
×
04
15
74
0
+
×
05
15
75
0
+
×
15
06
15
76
0
+
×
07
15
77
0
+
×
08
15
78
0
+
×
09
15
79
0
+
×
10
15
80
0
+
×
11
15
81
0
+
×
12
15
82
0
Easter Sunday
+
×
16
13
15
83
0
Easter Monday
+
×
14
15
84
0
+
×
15
15
85
0
+
×
16
15
86
0
+
×
17
15
87
0
+
×
18
15
88
0
+
×
19
15
89
0
+
×
17
20
15
90
0
+
×
21
15
91
0
+
×
22
15
92
0
+
×
23
15
93
0
+
×
24
15
94
0
+
×
25
15
95
0
+
×
26
15
96
0
+
×
18
27
15
97
0
+
×
28
15
98
0
+
×
29
15
99
0
+
×
30
15
100
0
+
×
19
 
May 2020
week
mon
tue
wed
thu
fri
sat
sun
18
01
15
101
0
Labour Day
+
×
02
15
102
0
+
×
03
15
103
0
Constitution Day
+
×
19
04
15
104
0
+
×
05
15
105
0
+
×
06
15
106
0
+
×
07
15
107
0
+
×
08
15
108
0
+
×
09
15
109
0
+
×
10
15
110
0
+
×
20
11
15
111
0
+
×
12
15
112
0
+
×
13
15
113
0
+
×
14
15
114
0
+
×
15
15
115
0
+
×
16
15
116
0
+
×
17
15
117
0
+
×
21
18
15
118
0
+
×
19
15
119
0
+
×
20
15
120
0
+
×
21
15
121
0
+
×
22
15
122
0
+
×
23
15
123
0
+
×
24
15
124
0
+
×
22
25
15
125
0
+
×
26
15
126
0
+
×
27
15
127
0
+
×
28
15
128
0
+
×
29
15
129
0
+
×
30
15
130
0
+
×
31
15
131
0
Pentecost Sunday
+
×
23
June 2020
week
mon
tue
wed
thu
fri
sat
sun
23
01
15
132
0
+
×
02
15
133
0
+
×
03
15
134
0
+
×
04
15
135
0
+
×
05
15
136
0
+
×
06
15
137
0
+
×
07
15
138
0
+
×
24
08
15
139
0
+
×
09
15
140
0
+
×
10
15
141
0
+
×
11
15
142
0
Corpus Christi
+
×
12
15
143
0
+
×
13
15
144
0
+
×
14
15
145
0
+
×
25
15
15
146
0
+
×
16
15
147
0
+
×
17
15
148
0
+
×
18
15
149
0
+
×
19
15
150
0
+
×
20
15
151
0
+
×
21
15
152
0
+
×
26
22
15
153
0
+
×
23
15
154
0
+
×
24
15
155
0
+
×
25
15
156
0
+
×
26
15
157
0
+
×
27
15
158
0
+
×
28
15
159
0
+
×
27
29
15
160
0
+
×
30
15
161
0
+
×
28
July 2020
week
mon
tue
wed
thu
fri
sat
sun
27
01
15
162
0
+
×
02
15
163
0
+
×
03
15
164
0
+
×
04
15
165
0
+
×
05
15
166
0
+
×
28
06
15
167
0
+
×
07
15
168
0
+
×
08
15
169
0
+
×
09
15
170
0
+
×
10
15
171
0
+
×
11
15
172
0
+
×
12
15
173
0
+
×
29
13
15
174
0
+
×
14
15
175
0
+
×
15
15
176
0
+
×
16
15
177
0
+
×
17
15
178
0
+
×
18
15
179
0
+
×
19
15
180
0
+
×
30
20
15
181
0
+
×
21
15
182
0
+
×
22
15
183
0
+
×
23
15
184
0
+
×
24
15
185
0
+
×
25
15
186
0
+
×
26
15
187
0
+
×
31
27
15
188
0
+
×
28
15
189
0
+
×
29
15
190
0
+
×
30
15
191
0
+
×
31
15
192
0
+
×
32
August 2020
week
mon
tue
wed
thu
fri
sat
sun
31
01
15
193
0
+
×
02
15
194
0
+
×
32
03
15
195
0
+
×
04
15
196
0
+
×
05
15
197
0
+
×
06
15
198
0
+
×
07
15
199
0
+
×
08
15
200
0
+
×
09
15
201
0
+
×
33
10
15
202
0
+
×
11
15
203
0
+
×
12
15
204
0
+
×
13
15
205
0
+
×
14
15
206
0
+
×
15
15
207
0
Assumption
+
×
16
15
208
0
+
×
34
17
15
209
0
+
×
18
15
210
0
+
×
19
15
211
0
+
×
20
15
212
0
+
×
21
15
213
0
+
×
22
15
214
0
+
×
23
15
215
0
+
×
35
24
15
216
0
+
×
25
15
217
0
+
×
26
15
218
0
+
×
27
15
219
0
+
×
28
15
220
0
+
×
29
15
221
0
+
×
30
15
222
0
+
×
36
31
15
223
0
+
×
September 2020
week
mon
tue
wed
thu
fri
sat
sun
36
01
15
224
0
+
×
02
15
225
0
+
×
03
15
226
0
+
×
04
15
227
0
+
×
05
15
228
0
+
×
06
15
229
0
+
×
37
07
15
230
0
+
×
08
15
231
0
+
×
09
15
232
0
+
×
10
15
233
0
+
×
11
15
234
0
+
×
12
15
235
0
+
×
13
15
236
0
+
×
38
14
15
237
0
+
×
15
15
238
0
+
×
16
15
239
0
+
×
17
15
240
0
+
×
18
15
241
0
+
×
19
15
242
0
+
×
20
15
243
0
+
×
39
21
15
244
0
+
×
22
15
245
0
+
×
23
15
246
0
+
×
24
15
247
0
+
×
25
15
248
0
+
×
26
15
249
0
+
×
27
15
250
0
+
×
40
28
15
251
0
+
×
29
15
252
0
+
×
30
15
253
0
+
×
41
October 2020
week
mon
tue
wed
thu
fri
sat
sun
40
01
15
254
0
+
×
02
15
255
0
+
×
03
15
256
0
+
×
04
15
257
0
+
×
41
05
15
258
0
+
×
06
15
259
0
+
×
07
15
260
0
+
×
08
15
261
0
+
×
09
15
262
0
+
×
10
15
263
0
+
×
11
15
264
0
+
×
42
12
15
265
0
+
×
13
15
266
0
+
×
14
15
267
0
+
×
15
15
268
0
+
×
16
15
269
0
+
×
17
15
270
0
+
×
18
15
271
0
+
×
43
19
15
272
0
+
×
20
15
273
0
+
×
21
15
274
0
+
×
22
15
275
0
+
×
23
15
276
0
+
×
24
15
277
0
+
×
25
15
278
0
+
×
44
26
15
279
0
+
×
27
15
280
0
+
×
28
15
281
0
+
×
29
15
282
0
+
×
30
15
283
0
+
×
31
15
284
0
+
×
45
November 2020
week
mon
tue
wed
thu
fri
sat
sun
44
01
15
285
0
All Saints' Day
+
×
45
02
15
286
0
+
×
03
15
287
0
+
×
04
15
288
0
+
×
05
15
289
0
+
×
06
15
290
0
+
×
07
15
291
0
+
×
08
15
292
0
+
×
46
09
15
293
0
+
×
10
15
294
0
+
×
11
15
295
0
Independence Day
+
×
12
15
296
0
+
×
13
15
297
0
+
×
14
15
298
0
+
×
15
15
299
0
+
×
47
16
15
300
0
+
×
17
15
301
0
+
×
18
15
302
0
+
×
19
15
303
0
+
×
20
15
304
0
+
×
21
15
305
0
+
×
22
15
306
0
+
×
48
23
15
307
0
+
×
24
15
308
0
+
×
25
15
309
0
+
×
26
15
310
0
+
×
27
15
311
0
+
×
28
15
312
0
+
×
29
15
313
0
+
×
49
30
15
314
0
+
×
December 2020
week
mon
tue
wed
thu
fri
sat
sun
49
01
15
315
0
+
×
02
15
316
0
+
×
03
15
317
0
+
×
04
15
318
0
+
×
05
15
319
0
+
×
06
15
320
0
+
×
50
07
15
321
0
+
×
08
15
322
0
+
×
09
15
323
0
+
×
10
15
324
0
+
×
11
15
325
0
+
×
12
15
326
0
+
×
13
15
327
0
+
×
51
14
15
328
0
+
×
15
15
329
0
+
×
16
15
330
0
+
×
17
15
331
0
+
×
18
15
332
0
+
×
19
15
333
0
+
×
20
15
334
0
+
×
52
21
15
335
0
+
×
22
15
336
0
+
×
23
15
337
0
+
×
24
15
338
0
+
×
25
15
339
0
Christmas Day
+
×
26
15
340
0
Boxing Day
+
×
27
15
341
0
+
×
53
28
15
342
0
+
×
29
15
343
0
+
×
30
15
344
0
+
×
31
15
345
0
+
×
01
January 2021
week
mon
tue
wed
thu
fri
sat
sun
53
01
15
346
0
New Year's Day
+
×
02
15
347
0
+
×
03
15
348
0
+
×
01
04
15
349
0
+
×
05
15
350
0
+
×
06
15
351
0
Epiphany
+
×
07
15
352
0
+
×
08
15
353
0
+
×
09
15
354
0
+
×
10
15
355
0
+
×
02
11
15
356
0
+
×
12
15
357
0
+
×
13
15
358
0
+
×
14
15
359
0
+
×
15
15
360
0
+
×
16
15
361
0
+
×
17
15
362
0
+
×
03
18
15
363
0
+
×
19
15
364
0
+
×
20
15
365
0
+
×
21
15
366
0
+
×
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:
?
Copy
Share your result!
A suggestion?
A question or an error to report?

Do not hesitate to reach us at:
contact@workingdays.org