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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.
Send
..in Ecuador
Today, Monday, 21 April, 2025

Working day : yes
Week : 17 / 52
Day of the year : 111 / 365
Working day of the year : 75 / 250
Time (UTC +01) : 13:49

Working days

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dss
Australia
South Africa
New Zealand
Russia
Ukraine
Israel
Sweden
Denmark
Norway
Finland
Turkey
Portugal
Netherlands
Belgique
Monaco
Greece
Luxembourg
Working days world map
USA
France
United Kingdom & Ireland
Brasil
India
China
South Korea
Japan
México
Colombia
Venezuela
Deutschland
Poland
Österreich
Italia
España
Argentina
Chile
Schweiz
...
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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/day
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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 2013
week
Mon
Tue
Wed
Thu
Fri
Sat
Sun
01
01
15
0
0
Año Nuevo
+
×
02
15
1
0
+
×
03
15
2
0
+
×
04
15
3
0
+
×
05
15
4
0
+
×
06
15
5
0
+
×
02
07
15
6
0
+
×
08
15
7
0
+
×
09
15
8
0
+
×
10
15
9
0
+
×
11
15
10
0
+
×
12
15
11
0
+
×
13
15
12
0
+
×
03
14
15
13
0
+
×
15
15
14
0
+
×
16
15
15
0
+
×
17
15
16
0
+
×
18
15
17
0
+
×
19
15
18
0
+
×
20
15
19
0
+
×
04
21
15
20
0
+
×
22
15
21
0
+
×
23
15
22
0
+
×
24
15
23
0
+
×
25
15
24
0
+
×
26
15
25
0
+
×
27
15
26
0
+
×
05
28
15
27
0
+
×
29
15
28
0
+
×
30
15
29
0
+
×
31
15
30
0
+
×
06
February 2013
week
Mon
Tue
Wed
Thu
Fri
Sat
Sun
05
01
15
31
0
+
×
02
15
32
0
+
×
03
15
33
0
+
×
06
04
15
34
0
+
×
05
15
35
0
+
×
06
15
36
0
+
×
07
15
37
0
+
×
08
15
38
0
+
×
09
15
39
0
+
×
10
15
40
0
+
×
07
11
15
41
0
Lunes de Carnaval
+
×
12
15
42
0
Martes de Carnaval
+
×
13
15
43
0
+
×
14
15
44
0
+
×
15
15
45
0
+
×
16
15
46
0
+
×
17
15
47
0
+
×
08
18
15
48
0
+
×
19
15
49
0
+
×
20
15
50
0
+
×
21
15
51
0
+
×
22
15
52
0
+
×
23
15
53
0
+
×
24
15
54
0
+
×
09
25
15
55
0
+
×
26
15
56
0
+
×
27
15
57
0
+
×
28
15
58
0
+
×
10
March 2013
week
Mon
Tue
Wed
Thu
Fri
Sat
Sun
09
01
15
59
0
+
×
02
15
60
0
+
×
03
15
61
0
+
×
10
04
15
62
0
+
×
05
15
63
0
+
×
06
15
64
0
+
×
07
15
65
0
+
×
08
15
66
0
+
×
09
15
67
0
+
×
10
15
68
0
+
×
11
11
15
69
0
+
×
12
15
70
0
+
×
13
15
71
0
+
×
14
15
72
0
+
×
15
15
73
0
+
×
16
15
74
0
+
×
17
15
75
0
+
×
12
18
15
76
0
+
×
19
15
77
0
+
×
20
15
78
0
+
×
21
15
79
0
+
×
22
15
80
0
+
×
23
15
81
0
+
×
24
15
82
0
+
×
13
25
15
83
0
+
×
26
15
84
0
+
×
27
15
85
0
+
×
28
15
86
0
+
×
29
15
87
0
Viernes Santo
+
×
30
15
88
0
+
×
31
15
89
0
+
×
14
April 2013
week
Mon
Tue
Wed
Thu
Fri
Sat
Sun
14
01
15
90
0
+
×
02
15
91
0
+
×
03
15
92
0
+
×
04
15
93
0
+
×
05
15
94
0
+
×
06
15
95
0
+
×
07
15
96
0
+
×
15
08
15
97
0
+
×
09
15
98
0
+
×
10
15
99
0
+
×
11
15
100
0
+
×
12
15
101
0
+
×
13
15
102
0
+
×
14
15
103
0
+
×
16
15
15
104
0
+
×
16
15
105
0
+
×
17
15
106
0
+
×
18
15
107
0
+
×
19
15
108
0
+
×
20
15
109
0
+
×
21
15
110
0
+
×
17
22
15
111
0
+
×
23
15
112
0
+
×
24
15
113
0
+
×
25
15
114
0
+
×
26
15
115
0
+
×
27
15
116
0
+
×
28
15
117
0
+
×
18
29
15
118
0
+
×
30
15
119
0
+
×
19
 
May 2013
week
Mon
Tue
Wed
Thu
Fri
Sat
Sun
18
01
15
120
0
+
×
02
15
121
0
+
×
03
15
122
0
Día del Trabajo
+
×
04
15
123
0
+
×
05
15
124
0
+
×
19
06
15
125
0
+
×
07
15
126
0
+
×
08
15
127
0
+
×
09
15
128
0
+
×
10
15
129
0
+
×
11
15
130
0
+
×
12
15
131
0
+
×
20
13
15
132
0
+
×
14
15
133
0
+
×
15
15
134
0
+
×
16
15
135
0
+
×
17
15
136
0
+
×
18
15
137
0
+
×
19
15
138
0
+
×
21
20
15
139
0
+
×
21
15
140
0
+
×
22
15
141
0
+
×
23
15
142
0
+
×
24
15
143
0
Batalla de Pichincha
+
×
25
15
144
0
+
×
26
15
145
0
+
×
22
27
15
146
0
+
×
28
15
147
0
+
×
29
15
148
0
+
×
30
15
149
0
+
×
31
15
150
0
+
×
23
June 2013
week
Mon
Tue
Wed
Thu
Fri
Sat
Sun
22
01
15
151
0
+
×
02
15
152
0
+
×
23
03
15
153
0
+
×
04
15
154
0
+
×
05
15
155
0
+
×
06
15
156
0
+
×
07
15
157
0
+
×
08
15
158
0
+
×
09
15
159
0
+
×
24
10
15
160
0
+
×
11
15
161
0
+
×
12
15
162
0
+
×
13
15
163
0
+
×
14
15
164
0
+
×
15
15
165
0
+
×
16
15
166
0
+
×
25
17
15
167
0
+
×
18
15
168
0
+
×
19
15
169
0
+
×
20
15
170
0
+
×
21
15
171
0
+
×
22
15
172
0
+
×
23
15
173
0
+
×
26
24
15
174
0
+
×
25
15
175
0
+
×
26
15
176
0
+
×
27
15
177
0
+
×
28
15
178
0
+
×
29
15
179
0
+
×
30
15
180
0
+
×
27
July 2013
week
Mon
Tue
Wed
Thu
Fri
Sat
Sun
27
01
15
181
0
+
×
02
15
182
0
+
×
03
15
183
0
+
×
04
15
184
0
+
×
05
15
185
0
+
×
06
15
186
0
+
×
07
15
187
0
+
×
28
08
15
188
0
+
×
09
15
189
0
+
×
10
15
190
0
+
×
11
15
191
0
+
×
12
15
192
0
+
×
13
15
193
0
+
×
14
15
194
0
+
×
29
15
15
195
0
+
×
16
15
196
0
+
×
17
15
197
0
+
×
18
15
198
0
+
×
19
15
199
0
+
×
20
15
200
0
+
×
21
15
201
0
+
×
30
22
15
202
0
+
×
23
15
203
0
+
×
24
15
204
0
+
×
25
15
205
0
+
×
26
15
206
0
+
×
27
15
207
0
+
×
28
15
208
0
+
×
31
29
15
209
0
+
×
30
15
210
0
+
×
31
15
211
0
+
×
32
August 2013
week
Mon
Tue
Wed
Thu
Fri
Sat
Sun
31
01
15
212
0
+
×
02
15
213
0
+
×
03
15
214
0
+
×
04
15
215
0
+
×
32
05
15
216
0
+
×
06
15
217
0
+
×
07
15
218
0
+
×
08
15
219
0
+
×
09
15
220
0
Primer Grito de la Independencia
+
×
10
15
221
0
+
×
11
15
222
0
+
×
33
12
15
223
0
+
×
13
15
224
0
+
×
14
15
225
0
+
×
15
15
226
0
+
×
16
15
227
0
+
×
17
15
228
0
+
×
18
15
229
0
+
×
34
19
15
230
0
+
×
20
15
231
0
+
×
21
15
232
0
+
×
22
15
233
0
+
×
23
15
234
0
+
×
24
15
235
0
+
×
25
15
236
0
+
×
35
26
15
237
0
+
×
27
15
238
0
+
×
28
15
239
0
+
×
29
15
240
0
+
×
30
15
241
0
+
×
31
15
242
0
+
×
36
 
September 2013
week
Mon
Tue
Wed
Thu
Fri
Sat
Sun
35
01
15
243
0
+
×
36
02
15
244
0
+
×
03
15
245
0
+
×
04
15
246
0
+
×
05
15
247
0
+
×
06
15
248
0
+
×
07
15
249
0
+
×
08
15
250
0
+
×
37
09
15
251
0
+
×
10
15
252
0
+
×
11
15
253
0
+
×
12
15
254
0
+
×
13
15
255
0
+
×
14
15
256
0
+
×
15
15
257
0
+
×
38
16
15
258
0
+
×
17
15
259
0
+
×
18
15
260
0
+
×
19
15
261
0
+
×
20
15
262
0
+
×
21
15
263
0
+
×
22
15
264
0
+
×
39
23
15
265
0
+
×
24
15
266
0
+
×
25
15
267
0
+
×
26
15
268
0
+
×
27
15
269
0
+
×
28
15
270
0
+
×
29
15
271
0
+
×
40
30
15
272
0
+
×
October 2013
week
Mon
Tue
Wed
Thu
Fri
Sat
Sun
40
01
15
273
0
+
×
02
15
274
0
+
×
03
15
275
0
+
×
04
15
276
0
+
×
05
15
277
0
+
×
06
15
278
0
+
×
41
07
15
279
0
+
×
08
15
280
0
+
×
09
15
281
0
+
×
10
15
282
0
+
×
11
15
283
0
Independencia de Guayaquil
+
×
12
15
284
0
+
×
13
15
285
0
+
×
42
14
15
286
0
+
×
15
15
287
0
+
×
16
15
288
0
+
×
17
15
289
0
+
×
18
15
290
0
+
×
19
15
291
0
+
×
20
15
292
0
+
×
43
21
15
293
0
+
×
22
15
294
0
+
×
23
15
295
0
+
×
24
15
296
0
+
×
25
15
297
0
+
×
26
15
298
0
+
×
27
15
299
0
+
×
44
28
15
300
0
+
×
29
15
301
0
+
×
30
15
302
0
+
×
31
15
303
0
+
×
45
November 2013
week
Mon
Tue
Wed
Thu
Fri
Sat
Sun
44
01
15
304
0
Día de los Difuntos
+
×
02
15
305
0
+
×
03
15
306
0
+
×
45
04
15
307
0
Independencia de Cuenca
+
×
05
15
308
0
+
×
06
15
309
0
+
×
07
15
310
0
+
×
08
15
311
0
+
×
09
15
312
0
+
×
10
15
313
0
+
×
46
11
15
314
0
+
×
12
15
315
0
+
×
13
15
316
0
+
×
14
15
317
0
+
×
15
15
318
0
+
×
16
15
319
0
+
×
17
15
320
0
+
×
47
18
15
321
0
+
×
19
15
322
0
+
×
20
15
323
0
+
×
21
15
324
0
+
×
22
15
325
0
+
×
23
15
326
0
+
×
24
15
327
0
+
×
48
25
15
328
0
+
×
26
15
329
0
+
×
27
15
330
0
+
×
28
15
331
0
+
×
29
15
332
0
+
×
30
15
333
0
+
×
49
December 2013
week
Mon
Tue
Wed
Thu
Fri
Sat
Sun
48
01
15
334
0
+
×
49
02
15
335
0
+
×
03
15
336
0
+
×
04
15
337
0
+
×
05
15
338
0
+
×
06
15
339
0
+
×
07
15
340
0
+
×
08
15
341
0
+
×
50
09
15
342
0
+
×
10
15
343
0
+
×
11
15
344
0
+
×
12
15
345
0
+
×
13
15
346
0
+
×
14
15
347
0
+
×
15
15
348
0
+
×
51
16
15
349
0
+
×
17
15
350
0
+
×
18
15
351
0
+
×
19
15
352
0
+
×
20
15
353
0
+
×
21
15
354
0
+
×
22
15
355
0
+
×
52
23
15
356
0
+
×
24
15
357
0
+
×
25
15
358
0
Navidad
+
×
26
15
359
0
+
×
27
15
360
0
+
×
28
15
361
0
+
×
29
15
362
0
+
×
01
30
15
363
0
+
×
31
15
364
0
+
×
 
January 2014
week
Mon
Tue
Wed
Thu
Fri
Sat
Sun
01
01
15
365
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