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Holidays optimizer
New version 2026
Todo
Birthdays
Teams
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.
Send
Make
every
day
count
..in Poland
| National public holidays

Working days

GB | PL 
Employee 
South Korea
Canada
Italia
España
South Africa
New Zealand
Israel
Sweden
Denmark
Norway
Finland
Turkey
Portugal
Brasil
Greece
Luxembourg
Australia
Working days world map
Deutschland
Slovenia
Slovakia
Estonia
Croatia
Serbia
Romania
Bulgaria
Czech Republic
Russia
Ukraine
Turkey
France
Belarus
USA
Schweiz
Netherlands
Belgique
China
...
xxxx
From to
days :
working days :
week-end days :
custom dates :
public holidays :
Define a custom period
×
From:
to:
Morning
Afternoon
Reminder
Reminder
make it periodic
Make it periodic
Description
working hours
Working hours
/day
Teleworking
salary
Salary
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Account
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 1998
week
mon
tue
wed
thu
fri
sat
sun
01
01
15
0
0
New Year's Day
+
×
02
15
1
0
+
×
03
15
2
0
+
×
04
15
3
0
+
×
02
05
15
4
0
+
×
06
15
5
0
Epiphany
+
×
07
15
6
0
+
×
08
15
7
0
+
×
09
15
8
0
+
×
10
15
9
0
+
×
11
15
10
0
+
×
03
12
15
11
0
+
×
13
15
12
0
+
×
14
15
13
0
+
×
15
15
14
0
+
×
16
15
15
0
+
×
17
15
16
0
+
×
18
15
17
0
+
×
04
19
15
18
0
+
×
20
15
19
0
+
×
21
15
20
0
+
×
22
15
21
0
+
×
23
15
22
0
+
×
24
15
23
0
+
×
25
15
24
0
+
×
05
26
15
25
0
+
×
27
15
26
0
+
×
28
15
27
0
+
×
29
15
28
0
+
×
30
15
29
0
+
×
31
15
30
0
+
×
06
February 1998
week
mon
tue
wed
thu
fri
sat
sun
05
01
15
31
0
+
×
06
02
15
32
0
+
×
03
15
33
0
+
×
04
15
34
0
+
×
05
15
35
0
+
×
06
15
36
0
+
×
07
15
37
0
+
×
08
15
38
0
+
×
07
09
15
39
0
+
×
10
15
40
0
+
×
11
15
41
0
+
×
12
15
42
0
+
×
13
15
43
0
+
×
14
15
44
0
+
×
15
15
45
0
+
×
08
16
15
46
0
+
×
17
15
47
0
+
×
18
15
48
0
+
×
19
15
49
0
+
×
20
15
50
0
+
×
21
15
51
0
+
×
22
15
52
0
+
×
09
23
15
53
0
+
×
24
15
54
0
+
×
25
15
55
0
+
×
26
15
56
0
+
×
27
15
57
0
+
×
28
15
58
0
+
×
10
March 1998
week
mon
tue
wed
thu
fri
sat
sun
09
01
15
59
0
+
×
10
02
15
60
0
+
×
03
15
61
0
+
×
04
15
62
0
+
×
05
15
63
0
+
×
06
15
64
0
+
×
07
15
65
0
+
×
08
15
66
0
+
×
11
09
15
67
0
+
×
10
15
68
0
+
×
11
15
69
0
+
×
12
15
70
0
+
×
13
15
71
0
+
×
14
15
72
0
+
×
15
15
73
0
+
×
12
16
15
74
0
+
×
17
15
75
0
+
×
18
15
76
0
+
×
19
15
77
0
+
×
20
15
78
0
+
×
21
15
79
0
+
×
22
15
80
0
+
×
13
23
15
81
0
+
×
24
15
82
0
+
×
25
15
83
0
+
×
26
15
84
0
+
×
27
15
85
0
+
×
28
15
86
0
+
×
29
15
87
0
+
×
14
30
15
88
0
+
×
31
15
89
0
+
×
April 1998
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
+
×
15
06
15
95
0
+
×
07
15
96
0
+
×
08
15
97
0
+
×
09
15
98
0
+
×
10
15
99
0
+
×
11
15
100
0
+
×
12
15
101
0
Easter Sunday
+
×
16
13
15
102
0
Easter Monday
+
×
14
15
103
0
+
×
15
15
104
0
+
×
16
15
105
0
+
×
17
15
106
0
+
×
18
15
107
0
+
×
19
15
108
0
+
×
17
20
15
109
0
+
×
21
15
110
0
+
×
22
15
111
0
+
×
23
15
112
0
+
×
24
15
113
0
+
×
25
15
114
0
+
×
26
15
115
0
+
×
18
27
15
116
0
+
×
28
15
117
0
+
×
29
15
118
0
+
×
30
15
119
0
+
×
19
 
May 1998
week
mon
tue
wed
thu
fri
sat
sun
18
01
15
120
0
Labour Day
+
×
02
15
121
0
+
×
03
15
122
0
Constitution Day
+
×
19
04
15
123
0
+
×
05
15
124
0
+
×
06
15
125
0
+
×
07
15
126
0
+
×
08
15
127
0
+
×
09
15
128
0
+
×
10
15
129
0
+
×
20
11
15
130
0
+
×
12
15
131
0
+
×
13
15
132
0
+
×
14
15
133
0
+
×
15
15
134
0
+
×
16
15
135
0
+
×
17
15
136
0
+
×
21
18
15
137
0
+
×
19
15
138
0
+
×
20
15
139
0
+
×
21
15
140
0
+
×
22
15
141
0
+
×
23
15
142
0
+
×
24
15
143
0
+
×
22
25
15
144
0
+
×
26
15
145
0
+
×
27
15
146
0
+
×
28
15
147
0
+
×
29
15
148
0
+
×
30
15
149
0
+
×
31
15
150
0
Pentecost Sunday
+
×
23
June 1998
week
mon
tue
wed
thu
fri
sat
sun
23
01
15
151
0
+
×
02
15
152
0
+
×
03
15
153
0
+
×
04
15
154
0
+
×
05
15
155
0
+
×
06
15
156
0
+
×
07
15
157
0
+
×
24
08
15
158
0
+
×
09
15
159
0
+
×
10
15
160
0
+
×
11
15
161
0
Corpus Christi
+
×
12
15
162
0
+
×
13
15
163
0
+
×
14
15
164
0
+
×
25
15
15
165
0
+
×
16
15
166
0
+
×
17
15
167
0
+
×
18
15
168
0
+
×
19
15
169
0
+
×
20
15
170
0
+
×
21
15
171
0
+
×
26
22
15
172
0
+
×
23
15
173
0
+
×
24
15
174
0
+
×
25
15
175
0
+
×
26
15
176
0
+
×
27
15
177
0
+
×
28
15
178
0
+
×
27
29
15
179
0
+
×
30
15
180
0
+
×
28
July 1998
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
+
×
28
06
15
186
0
+
×
07
15
187
0
+
×
08
15
188
0
+
×
09
15
189
0
+
×
10
15
190
0
+
×
11
15
191
0
+
×
12
15
192
0
+
×
29
13
15
193
0
+
×
14
15
194
0
+
×
15
15
195
0
+
×
16
15
196
0
+
×
17
15
197
0
+
×
18
15
198
0
+
×
19
15
199
0
+
×
30
20
15
200
0
+
×
21
15
201
0
+
×
22
15
202
0
+
×
23
15
203
0
+
×
24
15
204
0
+
×
25
15
205
0
+
×
26
15
206
0
+
×
31
27
15
207
0
+
×
28
15
208
0
+
×
29
15
209
0
+
×
30
15
210
0
+
×
31
15
211
0
+
×
32
August 1998
week
mon
tue
wed
thu
fri
sat
sun
31
01
15
212
0
+
×
02
15
213
0
+
×
32
03
15
214
0
+
×
04
15
215
0
+
×
05
15
216
0
+
×
06
15
217
0
+
×
07
15
218
0
+
×
08
15
219
0
+
×
09
15
220
0
+
×
33
10
15
221
0
+
×
11
15
222
0
+
×
12
15
223
0
+
×
13
15
224
0
+
×
14
15
225
0
+
×
15
15
226
0
Assumption
+
×
16
15
227
0
+
×
34
17
15
228
0
+
×
18
15
229
0
+
×
19
15
230
0
+
×
20
15
231
0
+
×
21
15
232
0
+
×
22
15
233
0
+
×
23
15
234
0
+
×
35
24
15
235
0
+
×
25
15
236
0
+
×
26
15
237
0
+
×
27
15
238
0
+
×
28
15
239
0
+
×
29
15
240
0
+
×
30
15
241
0
+
×
36
31
15
242
0
+
×
 
September 1998
week
mon
tue
wed
thu
fri
sat
sun
36
01
15
243
0
+
×
02
15
244
0
+
×
03
15
245
0
+
×
04
15
246
0
+
×
05
15
247
0
+
×
06
15
248
0
+
×
37
07
15
249
0
+
×
08
15
250
0
+
×
09
15
251
0
+
×
10
15
252
0
+
×
11
15
253
0
+
×
12
15
254
0
+
×
13
15
255
0
+
×
38
14
15
256
0
+
×
15
15
257
0
+
×
16
15
258
0
+
×
17
15
259
0
+
×
18
15
260
0
+
×
19
15
261
0
+
×
20
15
262
0
+
×
39
21
15
263
0
+
×
22
15
264
0
+
×
23
15
265
0
+
×
24
15
266
0
+
×
25
15
267
0
+
×
26
15
268
0
+
×
27
15
269
0
+
×
40
28
15
270
0
+
×
29
15
271
0
+
×
30
15
272
0
+
×
41
October 1998
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
+
×
41
05
15
277
0
+
×
06
15
278
0
+
×
07
15
279
0
+
×
08
15
280
0
+
×
09
15
281
0
+
×
10
15
282
0
+
×
11
15
283
0
+
×
42
12
15
284
0
+
×
13
15
285
0
+
×
14
15
286
0
+
×
15
15
287
0
+
×
16
15
288
0
+
×
17
15
289
0
+
×
18
15
290
0
+
×
43
19
15
291
0
+
×
20
15
292
0
+
×
21
15
293
0
+
×
22
15
294
0
+
×
23
15
295
0
+
×
24
15
296
0
+
×
25
15
297
0
+
×
44
26
15
298
0
+
×
27
15
299
0
+
×
28
15
300
0
+
×
29
15
301
0
+
×
30
15
302
0
+
×
31
15
303
0
+
×
45
November 1998
week
mon
tue
wed
thu
fri
sat
sun
44
01
15
304
0
All Saints' Day
+
×
45
02
15
305
0
+
×
03
15
306
0
+
×
04
15
307
0
+
×
05
15
308
0
+
×
06
15
309
0
+
×
07
15
310
0
+
×
08
15
311
0
+
×
46
09
15
312
0
+
×
10
15
313
0
+
×
11
15
314
0
Independence Day
+
×
12
15
315
0
+
×
13
15
316
0
+
×
14
15
317
0
+
×
15
15
318
0
+
×
47
16
15
319
0
+
×
17
15
320
0
+
×
18
15
321
0
+
×
19
15
322
0
+
×
20
15
323
0
+
×
21
15
324
0
+
×
22
15
325
0
+
×
48
23
15
326
0
+
×
24
15
327
0
+
×
25
15
328
0
+
×
26
15
329
0
+
×
27
15
330
0
+
×
28
15
331
0
+
×
29
15
332
0
+
×
49
30
15
333
0
+
×
December 1998
week
mon
tue
wed
thu
fri
sat
sun
49
01
15
334
0
+
×
02
15
335
0
+
×
03
15
336
0
+
×
04
15
337
0
+
×
05
15
338
0
+
×
06
15
339
0
+
×
50
07
15
340
0
+
×
08
15
341
0
+
×
09
15
342
0
+
×
10
15
343
0
+
×
11
15
344
0
+
×
12
15
345
0
+
×
13
15
346
0
+
×
51
14
15
347
0
+
×
15
15
348
0
+
×
16
15
349
0
+
×
17
15
350
0
+
×
18
15
351
0
+
×
19
15
352
0
+
×
20
15
353
0
+
×
52
21
15
354
0
+
×
22
15
355
0
+
×
23
15
356
0
+
×
24
15
357
0
Christmas Eve
+
×
25
15
358
0
Christmas
+
×
26
15
359
0
Boxing Day
+
×
27
15
360
0
+
×
53
28
15
361
0
+
×
29
15
362
0
+
×
30
15
363
0
+
×
31
15
364
0
+
×
01
 
January 1999
week
mon
tue
wed
thu
fri
sat
sun
53
01
15
365
0
New Year's Day
+
×
02
15
366
0
+
×
03
15
367
0
+
×
01
02
03
04
05
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:
?
Copy
×
From to
:
I have to be at work
I know I want to be on vacation
?
I let the optimizer decide