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Birthdays
Holidays optimizer
Define a period
AI Assistant beta
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”
Assistant: I understand all languages.
Send
..in Colombia
Today, Wednesday, 29 January, 2025

Working day : yes
Week : 05 / 52
Day of the year : 29 / 365
Working day of the year : 19 / 245
Time (UTC -05) : 13:49

Working days

ES | EN ▼
dss
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
Repú.Dominicana
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
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 2025
week
Mon
Tue
Wed
Thu
Fri
Sat
Sun
01
02
03
04
05
29
15
0
0
+
×
30
15
1
0
+
×
31
15
2
0
+
×
06
February 2025
week
Mon
Tue
Wed
Thu
Fri
Sat
Sun
05
01
15
3
0
+
×
02
15
4
0
+
×
06
03
15
5
0
+
×
04
15
6
0
+
×
05
15
7
0
+
×
06
15
8
0
+
×
07
15
9
0
+
×
08
15
10
0
+
×
09
15
11
0
+
×
07
10
15
12
0
+
×
11
15
13
0
+
×
12
15
14
0
+
×
13
15
15
0
+
×
14
15
16
0
+
×
15
15
17
0
+
×
16
15
18
0
+
×
08
17
15
19
0
+
×
18
15
20
0
+
×
19
15
21
0
+
×
20
15
22
0
+
×
21
15
23
0
+
×
22
15
24
0
+
×
23
15
25
0
+
×
09
24
15
26
0
+
×
25
15
27
0
+
×
26
15
28
0
+
×
27
15
29
0
+
×
28
15
30
0
+
×
10
March 2025
week
Mon
Tue
Wed
Thu
Fri
Sat
Sun
09
01
15
31
0
+
×
02
15
32
0
+
×
10
03
15
33
0
+
×
04
15
34
0
+
×
05
15
35
0
+
×
06
15
36
0
+
×
07
15
37
0
+
×
08
15
38
0
+
×
09
15
39
0
+
×
11
10
15
40
0
+
×
11
15
41
0
+
×
12
15
42
0
+
×
13
15
43
0
+
×
14
15
44
0
+
×
15
15
45
0
+
×
16
15
46
0
+
×
12
17
15
47
0
+
×
18
15
48
0
+
×
19
15
49
0
+
×
20
15
50
0
+
×
21
15
51
0
+
×
22
15
52
0
+
×
23
15
53
0
+
×
13
24
15
54
0
Día de San José
+
×
25
15
55
0
+
×
26
15
56
0
+
×
27
15
57
0
+
×
28
15
58
0
+
×
29
15
59
0
+
×
30
15
60
0
+
×
14
31
15
61
0
+
×
April 2025
week
Mon
Tue
Wed
Thu
Fri
Sat
Sun
14
01
15
62
0
+
×
02
15
63
0
+
×
03
15
64
0
+
×
04
15
65
0
+
×
05
15
66
0
+
×
06
15
67
0
+
×
15
07
15
68
0
+
×
08
15
69
0
+
×
09
15
70
0
+
×
10
15
71
0
+
×
11
15
72
0
+
×
12
15
73
0
+
×
13
15
74
0
+
×
16
14
15
75
0
+
×
15
15
76
0
+
×
16
15
77
0
+
×
17
15
78
0
Jueves Santo
+
×
18
15
79
0
Viernes Santo
+
×
19
15
80
0
+
×
20
15
81
0
Domingo de Pascua
+
×
17
21
15
82
0
+
×
22
15
83
0
+
×
23
15
84
0
+
×
24
15
85
0
+
×
25
15
86
0
+
×
26
15
87
0
+
×
27
15
88
0
+
×
18
28
15
89
0
+
×
29
15
90
0
+
×
30
15
91
0
+
×
19
 
May 2025
week
Mon
Tue
Wed
Thu
Fri
Sat
Sun
18
01
15
92
0
Primero de Mayo
+
×
02
15
93
0
+
×
03
15
94
0
+
×
04
15
95
0
+
×
19
05
15
96
0
+
×
06
15
97
0
+
×
07
15
98
0
+
×
08
15
99
0
+
×
09
15
100
0
+
×
10
15
101
0
+
×
11
15
102
0
+
×
20
12
15
103
0
+
×
13
15
104
0
+
×
14
15
105
0
+
×
15
15
106
0
+
×
16
15
107
0
+
×
17
15
108
0
+
×
18
15
109
0
+
×
21
19
15
110
0
+
×
20
15
111
0
+
×
21
15
112
0
+
×
22
15
113
0
+
×
23
15
114
0
+
×
24
15
115
0
+
×
25
15
116
0
+
×
22
26
15
117
0
+
×
27
15
118
0
+
×
28
15
119
0
+
×
29
15
120
0
+
×
30
15
121
0
+
×
31
15
122
0
+
×
23
June 2025
week
Mon
Tue
Wed
Thu
Fri
Sat
Sun
22
01
15
123
0
+
×
23
02
15
124
0
Ascensión
+
×
03
15
125
0
+
×
04
15
126
0
+
×
05
15
127
0
+
×
06
15
128
0
+
×
07
15
129
0
+
×
08
15
130
0
+
×
24
09
15
131
0
+
×
10
15
132
0
+
×
11
15
133
0
+
×
12
15
134
0
+
×
13
15
135
0
+
×
14
15
136
0
+
×
15
15
137
0
+
×
25
16
15
138
0
+
×
17
15
139
0
+
×
18
15
140
0
+
×
19
15
141
0
+
×
20
15
142
0
+
×
21
15
143
0
+
×
22
15
144
0
+
×
26
23
15
145
0
Corpus Christi
+
×
24
15
146
0
+
×
25
15
147
0
+
×
26
15
148
0
+
×
27
15
149
0
+
×
28
15
150
0
+
×
29
15
151
0
+
×
27
30
15
152
0
Sagrado Corazón
+
×
July 2025
week
Mon
Tue
Wed
Thu
Fri
Sat
Sun
27
01
15
153
0
+
×
02
15
154
0
+
×
03
15
155
0
+
×
04
15
156
0
+
×
05
15
157
0
+
×
06
15
158
0
+
×
28
07
15
159
0
+
×
08
15
160
0
+
×
09
15
161
0
+
×
10
15
162
0
+
×
11
15
163
0
+
×
12
15
164
0
+
×
13
15
165
0
+
×
29
14
15
166
0
+
×
15
15
167
0
+
×
16
15
168
0
+
×
17
15
169
0
+
×
18
15
170
0
+
×
19
15
171
0
+
×
20
15
172
0
Día de la Independencia
+
×
30
21
15
173
0
+
×
22
15
174
0
+
×
23
15
175
0
+
×
24
15
176
0
+
×
25
15
177
0
+
×
26
15
178
0
+
×
27
15
179
0
+
×
31
28
15
180
0
+
×
29
15
181
0
+
×
30
15
182
0
+
×
31
15
183
0
+
×
32
August 2025
week
Mon
Tue
Wed
Thu
Fri
Sat
Sun
31
01
15
184
0
+
×
02
15
185
0
+
×
03
15
186
0
+
×
32
04
15
187
0
+
×
05
15
188
0
+
×
06
15
189
0
+
×
07
15
190
0
Batalla de Boyaca
+
×
08
15
191
0
+
×
09
15
192
0
+
×
10
15
193
0
+
×
33
11
15
194
0
+
×
12
15
195
0
+
×
13
15
196
0
+
×
14
15
197
0
+
×
15
15
198
0
+
×
16
15
199
0
+
×
17
15
200
0
+
×
34
18
15
201
0
La Asunción
+
×
19
15
202
0
+
×
20
15
203
0
+
×
21
15
204
0
+
×
22
15
205
0
+
×
23
15
206
0
+
×
24
15
207
0
+
×
35
25
15
208
0
+
×
26
15
209
0
+
×
27
15
210
0
+
×
28
15
211
0
+
×
29
15
212
0
+
×
30
15
213
0
+
×
31
15
214
0
+
×
36
 
September 2025
week
Mon
Tue
Wed
Thu
Fri
Sat
Sun
36
01
15
215
0
+
×
02
15
216
0
+
×
03
15
217
0
+
×
04
15
218
0
+
×
05
15
219
0
+
×
06
15
220
0
+
×
07
15
221
0
+
×
37
08
15
222
0
+
×
09
15
223
0
+
×
10
15
224
0
+
×
11
15
225
0
+
×
12
15
226
0
+
×
13
15
227
0
+
×
14
15
228
0
+
×
38
15
15
229
0
+
×
16
15
230
0
+
×
17
15
231
0
+
×
18
15
232
0
+
×
19
15
233
0
+
×
20
15
234
0
+
×
21
15
235
0
+
×
39
22
15
236
0
+
×
23
15
237
0
+
×
24
15
238
0
+
×
25
15
239
0
+
×
26
15
240
0
+
×
27
15
241
0
+
×
28
15
242
0
+
×
40
29
15
243
0
+
×
30
15
244
0
+
×
41
October 2025
week
Mon
Tue
Wed
Thu
Fri
Sat
Sun
40
01
15
245
0
+
×
02
15
246
0
+
×
03
15
247
0
+
×
04
15
248
0
+
×
05
15
249
0
+
×
41
06
15
250
0
+
×
07
15
251
0
+
×
08
15
252
0
+
×
09
15
253
0
+
×
10
15
254
0
+
×
11
15
255
0
+
×
12
15
256
0
+
×
42
13
15
257
0
Día de la Raza
+
×
14
15
258
0
+
×
15
15
259
0
+
×
16
15
260
0
+
×
17
15
261
0
+
×
18
15
262
0
+
×
19
15
263
0
+
×
43
20
15
264
0
+
×
21
15
265
0
+
×
22
15
266
0
+
×
23
15
267
0
+
×
24
15
268
0
+
×
25
15
269
0
+
×
26
15
270
0
+
×
44
27
15
271
0
+
×
28
15
272
0
+
×
29
15
273
0
+
×
30
15
274
0
+
×
31
15
275
0
+
×
45
November 2025
week
Mon
Tue
Wed
Thu
Fri
Sat
Sun
44
01
15
276
0
+
×
02
15
277
0
+
×
45
03
15
278
0
Día de Todos los Santos
+
×
04
15
279
0
+
×
05
15
280
0
+
×
06
15
281
0
+
×
07
15
282
0
+
×
08
15
283
0
+
×
09
15
284
0
+
×
46
10
15
285
0
+
×
11
15
286
0
+
×
12
15
287
0
+
×
13
15
288
0
+
×
14
15
289
0
+
×
15
15
290
0
+
×
16
15
291
0
+
×
47
17
15
292
0
Independencia Cartagena
+
×
18
15
293
0
+
×
19
15
294
0
+
×
20
15
295
0
+
×
21
15
296
0
+
×
22
15
297
0
+
×
23
15
298
0
+
×
48
24
15
299
0
+
×
25
15
300
0
+
×
26
15
301
0
+
×
27
15
302
0
+
×
28
15
303
0
+
×
29
15
304
0
+
×
30
15
305
0
+
×
49
December 2025
week
Mon
Tue
Wed
Thu
Fri
Sat
Sun
49
01
15
306
0
+
×
02
15
307
0
+
×
03
15
308
0
+
×
04
15
309
0
+
×
05
15
310
0
+
×
06
15
311
0
+
×
07
15
312
0
+
×
50
08
15
313
0
Inmacu. Concepción
+
×
09
15
314
0
+
×
10
15
315
0
+
×
11
15
316
0
+
×
12
15
317
0
+
×
13
15
318
0
+
×
14
15
319
0
+
×
51
15
15
320
0
+
×
16
15
321
0
+
×
17
15
322
0
+
×
18
15
323
0
+
×
19
15
324
0
+
×
20
15
325
0
+
×
21
15
326
0
+
×
52
22
15
327
0
+
×
23
15
328
0
+
×
24
15
329
0
+
×
25
15
330
0
Navidad
+
×
26
15
331
0
+
×
27
15
332
0
+
×
28
15
333
0
+
×
01
29
15
334
0
+
×
30
15
335
0
+
×
31
15
336
0
+
×
02
 
January 2026
week
Mon
Tue
Wed
Thu
Fri
Sat
Sun
01
01
15
337
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