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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 Romania
Today, Friday, 31 January, 2025

Working day : yes
Week : 05 / 52
Day of the year : 31 / 365
Working day of the year : 18 / 248
Time (UTC +01) : 09:22

Working days

EN | RO ▼
dss
Norway
Finland
Israel
Turkey
Poland
Russia
Ukraine
Argentina
Chile
Australia
South Africa
South Korea
New Zealand
Japan
México
Colombia
Venezuela
Working days world map
USA
Deutschland
United Kingdom & Ireland
Italia
España
Brasil
India
China
Belgique
Canada
Schweiz
Monaco
Portugal
Netherlands
Österreich
Greece
Luxembourg
Sweden
Denmark
...
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
Description
work hours
Work hours
/day
▼
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wages
Wages
€
▼
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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
31
15
0
0
+
×
06
February 2025
week
Mon
Tue
Wed
Thu
Fri
Sat
Sun
05
01
15
1
0
+
×
02
15
2
0
+
×
06
03
15
3
0
+
×
04
15
4
0
+
×
05
15
5
0
+
×
06
15
6
0
+
×
07
15
7
0
+
×
08
15
8
0
+
×
09
15
9
0
+
×
07
10
15
10
0
+
×
11
15
11
0
+
×
12
15
12
0
+
×
13
15
13
0
+
×
14
15
14
0
+
×
15
15
15
0
+
×
16
15
16
0
+
×
08
17
15
17
0
+
×
18
15
18
0
+
×
19
15
19
0
+
×
20
15
20
0
+
×
21
15
21
0
+
×
22
15
22
0
+
×
23
15
23
0
+
×
09
24
15
24
0
+
×
25
15
25
0
+
×
26
15
26
0
+
×
27
15
27
0
+
×
28
15
28
0
+
×
10
March 2025
week
Mon
Tue
Wed
Thu
Fri
Sat
Sun
09
01
15
29
0
+
×
02
15
30
0
+
×
10
03
15
31
0
+
×
04
15
32
0
+
×
05
15
33
0
+
×
06
15
34
0
+
×
07
15
35
0
+
×
08
15
36
0
+
×
09
15
37
0
+
×
11
10
15
38
0
+
×
11
15
39
0
+
×
12
15
40
0
+
×
13
15
41
0
+
×
14
15
42
0
+
×
15
15
43
0
+
×
16
15
44
0
+
×
12
17
15
45
0
+
×
18
15
46
0
+
×
19
15
47
0
+
×
20
15
48
0
+
×
21
15
49
0
+
×
22
15
50
0
+
×
23
15
51
0
+
×
13
24
15
52
0
+
×
25
15
53
0
+
×
26
15
54
0
+
×
27
15
55
0
+
×
28
15
56
0
+
×
29
15
57
0
+
×
30
15
58
0
+
×
14
31
15
59
0
+
×
April 2025
week
Mon
Tue
Wed
Thu
Fri
Sat
Sun
14
01
15
60
0
+
×
02
15
61
0
+
×
03
15
62
0
+
×
04
15
63
0
+
×
05
15
64
0
+
×
06
15
65
0
+
×
15
07
15
66
0
+
×
08
15
67
0
+
×
09
15
68
0
+
×
10
15
69
0
+
×
11
15
70
0
+
×
12
15
71
0
+
×
13
15
72
0
+
×
16
14
15
73
0
+
×
15
15
74
0
+
×
16
15
75
0
+
×
17
15
76
0
+
×
18
15
77
0
Orthodox Easter Friday
+
×
19
15
78
0
+
×
20
15
79
0
Orthodox Easter Sunday
+
×
17
21
15
80
0
Orthodox Easter Monday
+
×
22
15
81
0
+
×
23
15
82
0
+
×
24
15
83
0
+
×
25
15
84
0
+
×
26
15
85
0
+
×
27
15
86
0
+
×
18
28
15
87
0
+
×
29
15
88
0
+
×
30
15
89
0
+
×
19
 
May 2025
week
Mon
Tue
Wed
Thu
Fri
Sat
Sun
18
01
15
90
0
Labour Day
+
×
02
15
91
0
+
×
03
15
92
0
+
×
04
15
93
0
+
×
19
05
15
94
0
+
×
06
15
95
0
+
×
07
15
96
0
+
×
08
15
97
0
+
×
09
15
98
0
+
×
10
15
99
0
+
×
11
15
100
0
+
×
20
12
15
101
0
+
×
13
15
102
0
+
×
14
15
103
0
+
×
15
15
104
0
+
×
16
15
105
0
+
×
17
15
106
0
+
×
18
15
107
0
+
×
21
19
15
108
0
+
×
20
15
109
0
+
×
21
15
110
0
+
×
22
15
111
0
+
×
23
15
112
0
+
×
24
15
113
0
+
×
25
15
114
0
+
×
22
26
15
115
0
+
×
27
15
116
0
+
×
28
15
117
0
+
×
29
15
118
0
+
×
30
15
119
0
+
×
31
15
120
0
+
×
23
June 2025
week
Mon
Tue
Wed
Thu
Fri
Sat
Sun
22
01
15
121
0
Children's Day
+
×
23
02
15
122
0
+
×
03
15
123
0
+
×
04
15
124
0
+
×
05
15
125
0
+
×
06
15
126
0
+
×
07
15
127
0
+
×
08
15
128
0
Pentecost Sunday
+
×
24
09
15
129
0
Pentecost Monday
+
×
10
15
130
0
+
×
11
15
131
0
+
×
12
15
132
0
+
×
13
15
133
0
+
×
14
15
134
0
+
×
15
15
135
0
+
×
25
16
15
136
0
+
×
17
15
137
0
+
×
18
15
138
0
+
×
19
15
139
0
+
×
20
15
140
0
+
×
21
15
141
0
+
×
22
15
142
0
+
×
26
23
15
143
0
+
×
24
15
144
0
+
×
25
15
145
0
+
×
26
15
146
0
+
×
27
15
147
0
+
×
28
15
148
0
+
×
29
15
149
0
+
×
27
30
15
150
0
+
×
July 2025
week
Mon
Tue
Wed
Thu
Fri
Sat
Sun
27
01
15
151
0
+
×
02
15
152
0
+
×
03
15
153
0
+
×
04
15
154
0
+
×
05
15
155
0
+
×
06
15
156
0
+
×
28
07
15
157
0
+
×
08
15
158
0
+
×
09
15
159
0
+
×
10
15
160
0
+
×
11
15
161
0
+
×
12
15
162
0
+
×
13
15
163
0
+
×
29
14
15
164
0
+
×
15
15
165
0
+
×
16
15
166
0
+
×
17
15
167
0
+
×
18
15
168
0
+
×
19
15
169
0
+
×
20
15
170
0
+
×
30
21
15
171
0
+
×
22
15
172
0
+
×
23
15
173
0
+
×
24
15
174
0
+
×
25
15
175
0
+
×
26
15
176
0
+
×
27
15
177
0
+
×
31
28
15
178
0
+
×
29
15
179
0
+
×
30
15
180
0
+
×
31
15
181
0
+
×
32
August 2025
week
Mon
Tue
Wed
Thu
Fri
Sat
Sun
31
01
15
182
0
+
×
02
15
183
0
+
×
03
15
184
0
+
×
32
04
15
185
0
+
×
05
15
186
0
+
×
06
15
187
0
+
×
07
15
188
0
+
×
08
15
189
0
+
×
09
15
190
0
+
×
10
15
191
0
+
×
33
11
15
192
0
+
×
12
15
193
0
+
×
13
15
194
0
+
×
14
15
195
0
+
×
15
15
196
0
Assumption
+
×
16
15
197
0
+
×
17
15
198
0
+
×
34
18
15
199
0
+
×
19
15
200
0
+
×
20
15
201
0
+
×
21
15
202
0
+
×
22
15
203
0
+
×
23
15
204
0
+
×
24
15
205
0
+
×
35
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
15
212
0
+
×
36
 
September 2025
week
Mon
Tue
Wed
Thu
Fri
Sat
Sun
36
01
15
213
0
+
×
02
15
214
0
+
×
03
15
215
0
+
×
04
15
216
0
+
×
05
15
217
0
+
×
06
15
218
0
+
×
07
15
219
0
+
×
37
08
15
220
0
+
×
09
15
221
0
+
×
10
15
222
0
+
×
11
15
223
0
+
×
12
15
224
0
+
×
13
15
225
0
+
×
14
15
226
0
+
×
38
15
15
227
0
+
×
16
15
228
0
+
×
17
15
229
0
+
×
18
15
230
0
+
×
19
15
231
0
+
×
20
15
232
0
+
×
21
15
233
0
+
×
39
22
15
234
0
+
×
23
15
235
0
+
×
24
15
236
0
+
×
25
15
237
0
+
×
26
15
238
0
+
×
27
15
239
0
+
×
28
15
240
0
+
×
40
29
15
241
0
+
×
30
15
242
0
+
×
41
October 2025
week
Mon
Tue
Wed
Thu
Fri
Sat
Sun
40
01
15
243
0
+
×
02
15
244
0
+
×
03
15
245
0
+
×
04
15
246
0
+
×
05
15
247
0
+
×
41
06
15
248
0
+
×
07
15
249
0
+
×
08
15
250
0
+
×
09
15
251
0
+
×
10
15
252
0
+
×
11
15
253
0
+
×
12
15
254
0
+
×
42
13
15
255
0
+
×
14
15
256
0
+
×
15
15
257
0
+
×
16
15
258
0
+
×
17
15
259
0
+
×
18
15
260
0
+
×
19
15
261
0
+
×
43
20
15
262
0
+
×
21
15
263
0
+
×
22
15
264
0
+
×
23
15
265
0
+
×
24
15
266
0
+
×
25
15
267
0
+
×
26
15
268
0
+
×
44
27
15
269
0
+
×
28
15
270
0
+
×
29
15
271
0
+
×
30
15
272
0
+
×
31
15
273
0
+
×
45
November 2025
week
Mon
Tue
Wed
Thu
Fri
Sat
Sun
44
01
15
274
0
+
×
02
15
275
0
+
×
45
03
15
276
0
+
×
04
15
277
0
+
×
05
15
278
0
+
×
06
15
279
0
+
×
07
15
280
0
+
×
08
15
281
0
+
×
09
15
282
0
+
×
46
10
15
283
0
+
×
11
15
284
0
+
×
12
15
285
0
+
×
13
15
286
0
+
×
14
15
287
0
+
×
15
15
288
0
+
×
16
15
289
0
+
×
47
17
15
290
0
+
×
18
15
291
0
+
×
19
15
292
0
+
×
20
15
293
0
+
×
21
15
294
0
+
×
22
15
295
0
+
×
23
15
296
0
+
×
48
24
15
297
0
+
×
25
15
298
0
+
×
26
15
299
0
+
×
27
15
300
0
+
×
28
15
301
0
+
×
29
15
302
0
+
×
30
15
303
0
St. Andrew's Day
+
×
49
December 2025
week
Mon
Tue
Wed
Thu
Fri
Sat
Sun
49
01
15
304
0
National Day
+
×
02
15
305
0
+
×
03
15
306
0
+
×
04
15
307
0
+
×
05
15
308
0
+
×
06
15
309
0
+
×
07
15
310
0
+
×
50
08
15
311
0
+
×
09
15
312
0
+
×
10
15
313
0
+
×
11
15
314
0
+
×
12
15
315
0
+
×
13
15
316
0
+
×
14
15
317
0
+
×
51
15
15
318
0
+
×
16
15
319
0
+
×
17
15
320
0
+
×
18
15
321
0
+
×
19
15
322
0
+
×
20
15
323
0
+
×
21
15
324
0
+
×
52
22
15
325
0
+
×
23
15
326
0
+
×
24
15
327
0
+
×
25
15
328
0
Christmas Day
+
×
26
15
329
0
Boxing day
+
×
27
15
330
0
+
×
28
15
331
0
+
×
01
29
15
332
0
+
×
30
15
333
0
+
×
31
15
334
0
+
×
02
 
January 2026
week
Mon
Tue
Wed
Thu
Fri
Sat
Sun
01
01
15
335
0
New Year's Day
+
×
02
15
336
0
Second Day of the New Year
+
×
03
15
337
0
+
×
04
15
338
0
+
×
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