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Holidays optimizer
New version 2026
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Define a custom period
AI Assistant
Assistant: Hello! I handle your requests in natural language, such as:

“Analyze the period from November 1, 2025, to April 25, 2028.”
or
“Add 100 business days to February 25, 2026.”
or
“Next Thursday at 2:12 PM + 124 working hours”
or
“I won't be working first week of next may (going to Greece)”
Assistant: I understand all languages.
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Make
every
day
count
..in USA
| Vermont

Working days

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Australia
South Africa
New Zealand
Russia
Ukraine
Israel
Sweden
Denmark
Norway
Finland
Turkey
Portugal
Netherlands
Belgique
Monaco
Greece
Luxembourg
Working days world map
Canada
United Kingdom & Ireland
South Korea
China
México
Colombia
Venezuela
Brasil
Deutschland
Poland
Österreich
India
France
Italia
Japan
España
Argentina
Chile
Schweiz
...
xxxx
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days :
working days :
week-end days :
custom dates :
public holidays :
Define a custom period
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to:
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Afternoon
Reminder
Reminder
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make it periodic
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Contact
The Holidays        ptimizer
It tells you when to take your days off to maximize the length of your vacation
I would like to take
days off
between
and
How many vacation blocks?   (    or )        
Each vacation should be at least days
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 2012
week
sun
mon
tue
wed
thu
fri
sat
01
01
15
0
0
New Year's Day
+
×
02
15
1
0
New Year's Day (obs.)
+
×
03
15
2
0
+
×
04
15
3
0
+
×
05
15
4
0
+
×
06
15
5
0
+
×
07
15
6
0
+
×
02
08
15
7
0
+
×
09
15
8
0
+
×
10
15
9
0
+
×
11
15
10
0
+
×
12
15
11
0
+
×
13
15
12
0
+
×
14
15
13
0
+
×
03
15
15
14
0
+
×
16
15
15
0
Martin Luther King Day
+
×
17
15
16
0
+
×
18
15
17
0
+
×
19
15
18
0
+
×
20
15
19
0
+
×
21
15
20
0
+
×
04
22
15
21
0
+
×
23
15
22
0
+
×
24
15
23
0
+
×
25
15
24
0
+
×
26
15
25
0
+
×
27
15
26
0
+
×
28
15
27
0
+
×
05
29
15
28
0
+
×
30
15
29
0
+
×
31
15
30
0
+
×
06
February 2012
week
sun
mon
tue
wed
thu
fri
sat
05
01
15
31
0
+
×
02
15
32
0
+
×
03
15
33
0
+
×
04
15
34
0
+
×
06
05
15
35
0
+
×
06
15
36
0
+
×
07
15
37
0
+
×
08
15
38
0
+
×
09
15
39
0
+
×
10
15
40
0
+
×
11
15
41
0
+
×
07
12
15
42
0
+
×
13
15
43
0
+
×
14
15
44
0
+
×
15
15
45
0
+
×
16
15
46
0
+
×
17
15
47
0
+
×
18
15
48
0
+
×
08
19
15
49
0
+
×
20
15
50
0
President's Day
+
×
21
15
51
0
+
×
22
15
52
0
+
×
23
15
53
0
+
×
24
15
54
0
+
×
25
15
55
0
+
×
09
26
15
56
0
+
×
27
15
57
0
+
×
28
15
58
0
+
×
29
15
59
0
+
×
10
March 2012
week
sun
mon
tue
wed
thu
fri
sat
09
01
15
60
0
+
×
02
15
61
0
+
×
03
15
62
0
+
×
10
04
15
63
0
+
×
05
15
64
0
+
×
06
15
65
0
+
×
07
15
66
0
+
×
08
15
67
0
+
×
09
15
68
0
+
×
10
15
69
0
+
×
11
11
15
70
0
+
×
12
15
71
0
+
×
13
15
72
0
+
×
14
15
73
0
+
×
15
15
74
0
+
×
16
15
75
0
+
×
17
15
76
0
+
×
12
18
15
77
0
+
×
19
15
78
0
+
×
20
15
79
0
+
×
21
15
80
0
+
×
22
15
81
0
+
×
23
15
82
0
+
×
24
15
83
0
+
×
13
25
15
84
0
+
×
26
15
85
0
+
×
27
15
86
0
+
×
28
15
87
0
+
×
29
15
88
0
+
×
30
15
89
0
+
×
31
15
90
0
+
×
14
April 2012
week
sun
mon
tue
wed
thu
fri
sat
14
01
15
91
0
+
×
02
15
92
0
+
×
03
15
93
0
+
×
04
15
94
0
+
×
05
15
95
0
+
×
06
15
96
0
+
×
07
15
97
0
+
×
15
08
15
98
0
+
×
09
15
99
0
+
×
10
15
100
0
+
×
11
15
101
0
+
×
12
15
102
0
+
×
13
15
103
0
+
×
14
15
104
0
+
×
16
15
15
105
0
+
×
16
15
106
0
+
×
17
15
107
0
+
×
18
15
108
0
+
×
19
15
109
0
+
×
20
15
110
0
+
×
21
15
111
0
+
×
17
22
15
112
0
+
×
23
15
113
0
+
×
24
15
114
0
+
×
25
15
115
0
+
×
26
15
116
0
+
×
27
15
117
0
+
×
28
15
118
0
+
×
18
29
15
119
0
+
×
30
15
120
0
+
×
19
 
May 2012
week
sun
mon
tue
wed
thu
fri
sat
18
01
15
121
0
+
×
02
15
122
0
+
×
03
15
123
0
+
×
04
15
124
0
+
×
05
15
125
0
+
×
19
06
15
126
0
+
×
07
15
127
0
+
×
08
15
128
0
+
×
09
15
129
0
+
×
10
15
130
0
+
×
11
15
131
0
+
×
12
15
132
0
+
×
20
13
15
133
0
+
×
14
15
134
0
+
×
15
15
135
0
+
×
16
15
136
0
+
×
17
15
137
0
+
×
18
15
138
0
+
×
19
15
139
0
+
×
21
20
15
140
0
+
×
21
15
141
0
+
×
22
15
142
0
+
×
23
15
143
0
+
×
24
15
144
0
+
×
25
15
145
0
+
×
26
15
146
0
+
×
22
27
15
147
0
+
×
28
15
148
0
Memorial Day
+
×
29
15
149
0
+
×
30
15
150
0
+
×
31
15
151
0
+
×
23
June 2012
week
sun
mon
tue
wed
thu
fri
sat
22
01
15
152
0
+
×
02
15
153
0
+
×
23
03
15
154
0
+
×
04
15
155
0
+
×
05
15
156
0
+
×
06
15
157
0
+
×
07
15
158
0
+
×
08
15
159
0
+
×
09
15
160
0
+
×
24
10
15
161
0
+
×
11
15
162
0
+
×
12
15
163
0
+
×
13
15
164
0
+
×
14
15
165
0
+
×
15
15
166
0
+
×
16
15
167
0
+
×
25
17
15
168
0
+
×
18
15
169
0
+
×
19
15
170
0
Juneteenth
+
×
20
15
171
0
+
×
21
15
172
0
+
×
22
15
173
0
+
×
23
15
174
0
+
×
26
24
15
175
0
+
×
25
15
176
0
+
×
26
15
177
0
+
×
27
15
178
0
+
×
28
15
179
0
+
×
29
15
180
0
+
×
30
15
181
0
+
×
27
July 2012
week
sun
mon
tue
wed
thu
fri
sat
27
01
15
182
0
+
×
02
15
183
0
+
×
03
15
184
0
+
×
04
15
185
0
Independence Day
+
×
05
15
186
0
+
×
06
15
187
0
+
×
07
15
188
0
+
×
28
08
15
189
0
+
×
09
15
190
0
+
×
10
15
191
0
+
×
11
15
192
0
+
×
12
15
193
0
+
×
13
15
194
0
+
×
14
15
195
0
+
×
29
15
15
196
0
+
×
16
15
197
0
+
×
17
15
198
0
+
×
18
15
199
0
+
×
19
15
200
0
+
×
20
15
201
0
+
×
21
15
202
0
+
×
30
22
15
203
0
+
×
23
15
204
0
+
×
24
15
205
0
+
×
25
15
206
0
+
×
26
15
207
0
+
×
27
15
208
0
+
×
28
15
209
0
+
×
31
29
15
210
0
+
×
30
15
211
0
+
×
31
15
212
0
+
×
32
August 2012
week
sun
mon
tue
wed
thu
fri
sat
31
01
15
213
0
+
×
02
15
214
0
+
×
03
15
215
0
+
×
04
15
216
0
+
×
32
05
15
217
0
+
×
06
15
218
0
+
×
07
15
219
0
+
×
08
15
220
0
+
×
09
15
221
0
+
×
10
15
222
0
+
×
11
15
223
0
+
×
33
12
15
224
0
+
×
13
15
225
0
+
×
14
15
226
0
+
×
15
15
227
0
+
×
16
15
228
0
+
×
17
15
229
0
+
×
18
15
230
0
+
×
34
19
15
231
0
+
×
20
15
232
0
+
×
21
15
233
0
+
×
22
15
234
0
+
×
23
15
235
0
+
×
24
15
236
0
+
×
25
15
237
0
+
×
35
26
15
238
0
+
×
27
15
239
0
+
×
28
15
240
0
+
×
29
15
241
0
+
×
30
15
242
0
+
×
31
15
243
0
+
×
36
 
September 2012
week
sun
mon
tue
wed
thu
fri
sat
35
01
15
244
0
+
×
36
02
15
245
0
+
×
03
15
246
0
Labor Day
+
×
04
15
247
0
+
×
05
15
248
0
+
×
06
15
249
0
+
×
07
15
250
0
+
×
08
15
251
0
+
×
37
09
15
252
0
+
×
10
15
253
0
+
×
11
15
254
0
+
×
12
15
255
0
+
×
13
15
256
0
+
×
14
15
257
0
+
×
15
15
258
0
+
×
38
16
15
259
0
+
×
17
15
260
0
+
×
18
15
261
0
+
×
19
15
262
0
+
×
20
15
263
0
+
×
21
15
264
0
+
×
22
15
265
0
+
×
39
23
15
266
0
+
×
24
15
267
0
+
×
25
15
268
0
+
×
26
15
269
0
+
×
27
15
270
0
+
×
28
15
271
0
+
×
29
15
272
0
+
×
40
30
15
273
0
+
×
October 2012
week
sun
mon
tue
wed
thu
fri
sat
40
01
15
274
0
+
×
02
15
275
0
+
×
03
15
276
0
+
×
04
15
277
0
+
×
05
15
278
0
+
×
06
15
279
0
+
×
41
07
15
280
0
+
×
08
15
281
0
Columbus Day
+
×
09
15
282
0
+
×
10
15
283
0
+
×
11
15
284
0
+
×
12
15
285
0
+
×
13
15
286
0
+
×
42
14
15
287
0
+
×
15
15
288
0
+
×
16
15
289
0
+
×
17
15
290
0
+
×
18
15
291
0
+
×
19
15
292
0
+
×
20
15
293
0
+
×
43
21
15
294
0
+
×
22
15
295
0
+
×
23
15
296
0
+
×
24
15
297
0
+
×
25
15
298
0
+
×
26
15
299
0
+
×
27
15
300
0
+
×
44
28
15
301
0
+
×
29
15
302
0
+
×
30
15
303
0
+
×
31
15
304
0
+
×
45
November 2012
week
sun
mon
tue
wed
thu
fri
sat
44
01
15
305
0
+
×
02
15
306
0
+
×
03
15
307
0
+
×
45
04
15
308
0
+
×
05
15
309
0
+
×
06
15
310
0
+
×
07
15
311
0
+
×
08
15
312
0
+
×
09
15
313
0
+
×
10
15
314
0
+
×
46
11
15
315
0
Veterans Day
+
×
12
15
316
0
Veterans Day (obs.)
+
×
13
15
317
0
+
×
14
15
318
0
+
×
15
15
319
0
+
×
16
15
320
0
+
×
17
15
321
0
+
×
47
18
15
322
0
+
×
19
15
323
0
+
×
20
15
324
0
+
×
21
15
325
0
+
×
22
15
326
0
Thanksgiving
+
×
23
15
327
0
+
×
24
15
328
0
+
×
48
25
15
329
0
+
×
26
15
330
0
+
×
27
15
331
0
+
×
28
15
332
0
+
×
29
15
333
0
+
×
30
15
334
0
+
×
49
December 2012
week
sun
mon
tue
wed
thu
fri
sat
48
01
15
335
0
+
×
49
02
15
336
0
+
×
03
15
337
0
+
×
04
15
338
0
+
×
05
15
339
0
+
×
06
15
340
0
+
×
07
15
341
0
+
×
08
15
342
0
+
×
50
09
15
343
0
+
×
10
15
344
0
+
×
11
15
345
0
+
×
12
15
346
0
+
×
13
15
347
0
+
×
14
15
348
0
+
×
15
15
349
0
+
×
51
16
15
350
0
+
×
17
15
351
0
+
×
18
15
352
0
+
×
19
15
353
0
+
×
20
15
354
0
+
×
21
15
355
0
+
×
22
15
356
0
+
×
52
23
15
357
0
+
×
24
15
358
0
+
×
25
15
359
0
Christmas
+
×
26
15
360
0
+
×
27
15
361
0
+
×
28
15
362
0
+
×
29
15
363
0
+
×
01
30
15
364
0
+
×
31
15
365
0
+
×
 
January 2013
week
sun
mon
tue
wed
thu
fri
sat
01
01
15
366
0
New Year's Day
+
×
02
03
04
05
06
Public holidays
Week-end 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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:
I have to be at work
I know I want to be on vacation
?
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