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Birthdays
Holidays optimizer
Define a 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 República Dominicana
Today, Saturday, 19 July, 2025

Working day : no (weekend day)
Week : 29 / 52
Day of the year : 200 / 365
Working day of the year : 136 / 251
Time (UTC -4) : 05:31

Working days

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South Africa
New Zealand
Russia
Ukraine
Israel
Sweden
Denmark
Norway
Finland
Turkey
Portugal
Netherlands
Belgique
Monaco
Greece
Luxembourg
Argentina
Working days world map
USA
Brasil
México
Colombia
Venezuela
Canada
España
France
United Kingdom & Ireland
India
China
South Korea
Japan
Deutschland
Poland
Österreich
Italia
Schweiz
Australia
...
xxxx
From to
days:
working days:
weekend days:
custom dates:
public holidays:
Define a period
×
From:
Morning
Afternoon
to:
Morning
Afternoon
Reminder
Reminder
▼
make it periodic
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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
from  
 to 
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 2000
week
Mon
Tue
Wed
Thu
Fri
Sat
Sun
52
01
15
0
0
Año Nuevo
+
×
02
15
1
0
+
×
01
03
15
2
0
+
×
04
15
3
0
+
×
05
15
4
0
+
×
06
15
5
0
Día de Reyes
+
×
07
15
6
0
+
×
08
15
7
0
+
×
09
15
8
0
+
×
02
10
15
9
0
+
×
11
15
10
0
+
×
12
15
11
0
+
×
13
15
12
0
+
×
14
15
13
0
+
×
15
15
14
0
+
×
16
15
15
0
+
×
03
17
15
16
0
+
×
18
15
17
0
+
×
19
15
18
0
+
×
20
15
19
0
+
×
21
15
20
0
Nuestra Señora de la Altagracia
+
×
22
15
21
0
+
×
23
15
22
0
+
×
04
24
15
23
0
+
×
25
15
24
0
+
×
26
15
25
0
Juan Pablo Duarte
+
×
27
15
26
0
+
×
28
15
27
0
+
×
29
15
28
0
+
×
30
15
29
0
+
×
05
31
15
30
0
+
×
February 2000
week
Mon
Tue
Wed
Thu
Fri
Sat
Sun
05
01
15
31
0
+
×
02
15
32
0
+
×
03
15
33
0
+
×
04
15
34
0
+
×
05
15
35
0
+
×
06
15
36
0
+
×
06
07
15
37
0
+
×
08
15
38
0
+
×
09
15
39
0
+
×
10
15
40
0
+
×
11
15
41
0
+
×
12
15
42
0
+
×
13
15
43
0
+
×
07
14
15
44
0
+
×
15
15
45
0
+
×
16
15
46
0
+
×
17
15
47
0
+
×
18
15
48
0
+
×
19
15
49
0
+
×
20
15
50
0
+
×
08
21
15
51
0
+
×
22
15
52
0
+
×
23
15
53
0
+
×
24
15
54
0
+
×
25
15
55
0
+
×
26
15
56
0
+
×
27
15
57
0
Independencia Nacional
+
×
09
28
15
58
0
+
×
29
15
59
0
+
×
10
March 2000
week
Mon
Tue
Wed
Thu
Fri
Sat
Sun
09
01
15
60
0
+
×
02
15
61
0
+
×
03
15
62
0
+
×
04
15
63
0
+
×
05
15
64
0
+
×
10
06
15
65
0
+
×
07
15
66
0
+
×
08
15
67
0
+
×
09
15
68
0
+
×
10
15
69
0
+
×
11
15
70
0
+
×
12
15
71
0
+
×
11
13
15
72
0
+
×
14
15
73
0
+
×
15
15
74
0
+
×
16
15
75
0
+
×
17
15
76
0
+
×
18
15
77
0
+
×
19
15
78
0
+
×
12
20
15
79
0
+
×
21
15
80
0
+
×
22
15
81
0
+
×
23
15
82
0
+
×
24
15
83
0
+
×
25
15
84
0
+
×
26
15
85
0
+
×
13
27
15
86
0
+
×
28
15
87
0
+
×
29
15
88
0
+
×
30
15
89
0
+
×
31
15
90
0
+
×
14
April 2000
week
Mon
Tue
Wed
Thu
Fri
Sat
Sun
13
01
15
91
0
+
×
02
15
92
0
+
×
14
03
15
93
0
+
×
04
15
94
0
+
×
05
15
95
0
+
×
06
15
96
0
+
×
07
15
97
0
+
×
08
15
98
0
+
×
09
15
99
0
+
×
15
10
15
100
0
+
×
11
15
101
0
+
×
12
15
102
0
+
×
13
15
103
0
+
×
14
15
104
0
+
×
15
15
105
0
+
×
16
15
106
0
+
×
16
17
15
107
0
+
×
18
15
108
0
+
×
19
15
109
0
+
×
20
15
110
0
+
×
21
15
111
0
Viernes Santo
+
×
22
15
112
0
+
×
23
15
113
0
+
×
17
24
15
114
0
+
×
25
15
115
0
+
×
26
15
116
0
+
×
27
15
117
0
+
×
28
15
118
0
+
×
29
15
119
0
+
×
30
15
120
0
+
×
18
 
May 2000
week
Mon
Tue
Wed
Thu
Fri
Sat
Sun
18
01
15
121
0
Día del Trabajo
+
×
02
15
122
0
+
×
03
15
123
0
+
×
04
15
124
0
+
×
05
15
125
0
+
×
06
15
126
0
+
×
07
15
127
0
+
×
19
08
15
128
0
+
×
09
15
129
0
+
×
10
15
130
0
+
×
11
15
131
0
+
×
12
15
132
0
+
×
13
15
133
0
+
×
14
15
134
0
+
×
20
15
15
135
0
+
×
16
15
136
0
+
×
17
15
137
0
+
×
18
15
138
0
+
×
19
15
139
0
+
×
20
15
140
0
+
×
21
15
141
0
+
×
21
22
15
142
0
+
×
23
15
143
0
+
×
24
15
144
0
+
×
25
15
145
0
+
×
26
15
146
0
+
×
27
15
147
0
+
×
28
15
148
0
+
×
22
29
15
149
0
+
×
30
15
150
0
+
×
31
15
151
0
+
×
23
June 2000
week
Mon
Tue
Wed
Thu
Fri
Sat
Sun
22
01
15
152
0
+
×
02
15
153
0
+
×
03
15
154
0
+
×
04
15
155
0
+
×
23
05
15
156
0
+
×
06
15
157
0
+
×
07
15
158
0
+
×
08
15
159
0
+
×
09
15
160
0
+
×
10
15
161
0
+
×
11
15
162
0
+
×
24
12
15
163
0
+
×
13
15
164
0
+
×
14
15
165
0
+
×
15
15
166
0
+
×
16
15
167
0
+
×
17
15
168
0
+
×
18
15
169
0
+
×
25
19
15
170
0
+
×
20
15
171
0
+
×
21
15
172
0
+
×
22
15
173
0
Corpus Christi
+
×
23
15
174
0
+
×
24
15
175
0
+
×
25
15
176
0
+
×
26
26
15
177
0
+
×
27
15
178
0
+
×
28
15
179
0
+
×
29
15
180
0
+
×
30
15
181
0
+
×
27
July 2000
week
Mon
Tue
Wed
Thu
Fri
Sat
Sun
26
01
15
182
0
+
×
02
15
183
0
+
×
27
03
15
184
0
+
×
04
15
185
0
+
×
05
15
186
0
+
×
06
15
187
0
+
×
07
15
188
0
+
×
08
15
189
0
+
×
09
15
190
0
+
×
28
10
15
191
0
+
×
11
15
192
0
+
×
12
15
193
0
+
×
13
15
194
0
+
×
14
15
195
0
+
×
15
15
196
0
+
×
16
15
197
0
+
×
29
17
15
198
0
+
×
18
15
199
0
+
×
19
15
200
0
+
×
20
15
201
0
+
×
21
15
202
0
+
×
22
15
203
0
+
×
23
15
204
0
+
×
30
24
15
205
0
+
×
25
15
206
0
+
×
26
15
207
0
+
×
27
15
208
0
+
×
28
15
209
0
+
×
29
15
210
0
+
×
30
15
211
0
+
×
31
31
15
212
0
+
×
August 2000
week
Mon
Tue
Wed
Thu
Fri
Sat
Sun
31
01
15
213
0
+
×
02
15
214
0
+
×
03
15
215
0
+
×
04
15
216
0
+
×
05
15
217
0
+
×
06
15
218
0
+
×
32
07
15
219
0
+
×
08
15
220
0
+
×
09
15
221
0
+
×
10
15
222
0
+
×
11
15
223
0
+
×
12
15
224
0
+
×
13
15
225
0
+
×
33
14
15
226
0
+
×
15
15
227
0
+
×
16
15
228
0
Restauración de la República
+
×
17
15
229
0
+
×
18
15
230
0
+
×
19
15
231
0
+
×
20
15
232
0
+
×
34
21
15
233
0
+
×
22
15
234
0
+
×
23
15
235
0
+
×
24
15
236
0
+
×
25
15
237
0
+
×
26
15
238
0
+
×
27
15
239
0
+
×
35
28
15
240
0
+
×
29
15
241
0
+
×
30
15
242
0
+
×
31
15
243
0
+
×
36
 
September 2000
week
Mon
Tue
Wed
Thu
Fri
Sat
Sun
35
01
15
244
0
+
×
02
15
245
0
+
×
03
15
246
0
+
×
36
04
15
247
0
+
×
05
15
248
0
+
×
06
15
249
0
+
×
07
15
250
0
+
×
08
15
251
0
+
×
09
15
252
0
+
×
10
15
253
0
+
×
37
11
15
254
0
+
×
12
15
255
0
+
×
13
15
256
0
+
×
14
15
257
0
+
×
15
15
258
0
+
×
16
15
259
0
+
×
17
15
260
0
+
×
38
18
15
261
0
+
×
19
15
262
0
+
×
20
15
263
0
+
×
21
15
264
0
+
×
22
15
265
0
+
×
23
15
266
0
+
×
24
15
267
0
Nuestra Señora de las Mercedes
+
×
39
25
15
268
0
+
×
26
15
269
0
+
×
27
15
270
0
+
×
28
15
271
0
+
×
29
15
272
0
+
×
30
15
273
0
+
×
40
October 2000
week
Mon
Tue
Wed
Thu
Fri
Sat
Sun
39
01
15
274
0
+
×
40
02
15
275
0
+
×
03
15
276
0
+
×
04
15
277
0
+
×
05
15
278
0
+
×
06
15
279
0
+
×
07
15
280
0
+
×
08
15
281
0
+
×
41
09
15
282
0
+
×
10
15
283
0
+
×
11
15
284
0
+
×
12
15
285
0
+
×
13
15
286
0
+
×
14
15
287
0
+
×
15
15
288
0
+
×
42
16
15
289
0
+
×
17
15
290
0
+
×
18
15
291
0
+
×
19
15
292
0
+
×
20
15
293
0
+
×
21
15
294
0
+
×
22
15
295
0
+
×
43
23
15
296
0
+
×
24
15
297
0
+
×
25
15
298
0
+
×
26
15
299
0
+
×
27
15
300
0
+
×
28
15
301
0
+
×
29
15
302
0
+
×
44
30
15
303
0
+
×
31
15
304
0
+
×
November 2000
week
Mon
Tue
Wed
Thu
Fri
Sat
Sun
44
01
15
305
0
+
×
02
15
306
0
+
×
03
15
307
0
+
×
04
15
308
0
+
×
05
15
309
0
+
×
45
06
15
310
0
Día de la Constitución
+
×
07
15
311
0
+
×
08
15
312
0
+
×
09
15
313
0
+
×
10
15
314
0
+
×
11
15
315
0
+
×
12
15
316
0
+
×
46
13
15
317
0
+
×
14
15
318
0
+
×
15
15
319
0
+
×
16
15
320
0
+
×
17
15
321
0
+
×
18
15
322
0
+
×
19
15
323
0
+
×
47
20
15
324
0
+
×
21
15
325
0
+
×
22
15
326
0
+
×
23
15
327
0
+
×
24
15
328
0
+
×
25
15
329
0
+
×
26
15
330
0
+
×
48
27
15
331
0
+
×
28
15
332
0
+
×
29
15
333
0
+
×
30
15
334
0
+
×
49
December 2000
week
Mon
Tue
Wed
Thu
Fri
Sat
Sun
48
01
15
335
0
+
×
02
15
336
0
+
×
03
15
337
0
+
×
49
04
15
338
0
+
×
05
15
339
0
+
×
06
15
340
0
+
×
07
15
341
0
+
×
08
15
342
0
+
×
09
15
343
0
+
×
10
15
344
0
+
×
50
11
15
345
0
+
×
12
15
346
0
+
×
13
15
347
0
+
×
14
15
348
0
+
×
15
15
349
0
+
×
16
15
350
0
+
×
17
15
351
0
+
×
51
18
15
352
0
+
×
19
15
353
0
+
×
20
15
354
0
+
×
21
15
355
0
+
×
22
15
356
0
+
×
23
15
357
0
+
×
24
15
358
0
+
×
52
25
15
359
0
Navidad
+
×
26
15
360
0
+
×
27
15
361
0
+
×
28
15
362
0
+
×
29
15
363
0
+
×
30
15
364
0
+
×
31
15
365
0
+
×
01
 
January 2001
week
Mon
Tue
Wed
Thu
Fri
Sat
Sun
01
01
15
366
0
Año Nuevo
+
×
02
03
04
05
06
Public holidays
Weekend days
Days to take
Vacations
Days to take:
You can now adjust the optimization by clicking on the calendar
Holidays length:
Optimization factor:
?
Copy
×
From to
:
I have to be at work
I know I want to be on vacation
?
I let the optimizer decide