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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 Norway
Today, Friday, 21 February, 2025

Working day : yes
Week : 08 / 52
Day of the year : 52 / 365
Working day of the year : 37 / 252
Time (UTC +01) : 06:33

Working days

EN | NO ▼
dss
South Korea
Canada
Japan
México
Colombia
Venezuela
Argentina
Chile
Australia
South Africa
New Zealand
Israel
Turkey
Portugal
Monaco
Greece
Luxembourg
Working days world map
Sweden
Denmark
Finland
USA
France
United Kingdom & Ireland
Deutschland
Poland
Österreich
Italia
España
Schweiz
Russia
Ukraine
Netherlands
Belgique
Brasil
India
China
...
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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work hours
Work hours
/day
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wages
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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
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 ()
February 2025
week
Mon
Tue
Wed
Thu
Fri
Sat
Sun
05
06
07
08
21
15
0
0
+
×
22
15
1
0
+
×
23
15
2
0
+
×
09
24
15
3
0
+
×
25
15
4
0
+
×
26
15
5
0
+
×
27
15
6
0
+
×
28
15
7
0
+
×
10
March 2025
week
Mon
Tue
Wed
Thu
Fri
Sat
Sun
09
01
15
8
0
+
×
02
15
9
0
+
×
10
03
15
10
0
+
×
04
15
11
0
+
×
05
15
12
0
+
×
06
15
13
0
+
×
07
15
14
0
+
×
08
15
15
0
+
×
09
15
16
0
+
×
11
10
15
17
0
+
×
11
15
18
0
+
×
12
15
19
0
+
×
13
15
20
0
+
×
14
15
21
0
+
×
15
15
22
0
+
×
16
15
23
0
+
×
12
17
15
24
0
+
×
18
15
25
0
+
×
19
15
26
0
+
×
20
15
27
0
+
×
21
15
28
0
+
×
22
15
29
0
+
×
23
15
30
0
+
×
13
24
15
31
0
+
×
25
15
32
0
+
×
26
15
33
0
+
×
27
15
34
0
+
×
28
15
35
0
+
×
29
15
36
0
+
×
30
15
37
0
+
×
14
31
15
38
0
+
×
April 2025
week
Mon
Tue
Wed
Thu
Fri
Sat
Sun
14
01
15
39
0
+
×
02
15
40
0
+
×
03
15
41
0
+
×
04
15
42
0
+
×
05
15
43
0
+
×
06
15
44
0
+
×
15
07
15
45
0
+
×
08
15
46
0
+
×
09
15
47
0
+
×
10
15
48
0
+
×
11
15
49
0
+
×
12
15
50
0
+
×
13
15
51
0
+
×
16
14
15
52
0
+
×
15
15
53
0
+
×
16
15
54
0
+
×
17
15
55
0
Skjærtorsdag
+
×
18
15
56
0
Langfredag
+
×
19
15
57
0
+
×
20
15
58
0
Første påskedag
+
×
17
21
15
59
0
Andre påskedag
+
×
22
15
60
0
+
×
23
15
61
0
+
×
24
15
62
0
+
×
25
15
63
0
+
×
26
15
64
0
+
×
27
15
65
0
+
×
18
28
15
66
0
+
×
29
15
67
0
+
×
30
15
68
0
+
×
19
May 2025
week
Mon
Tue
Wed
Thu
Fri
Sat
Sun
18
01
15
69
0
Første mai
+
×
02
15
70
0
+
×
03
15
71
0
+
×
04
15
72
0
+
×
19
05
15
73
0
+
×
06
15
74
0
+
×
07
15
75
0
+
×
08
15
76
0
+
×
09
15
77
0
+
×
10
15
78
0
+
×
11
15
79
0
+
×
20
12
15
80
0
+
×
13
15
81
0
+
×
14
15
82
0
+
×
15
15
83
0
+
×
16
15
84
0
+
×
17
15
85
0
Grunnlovsdagen
+
×
18
15
86
0
+
×
21
19
15
87
0
+
×
20
15
88
0
+
×
21
15
89
0
+
×
22
15
90
0
+
×
23
15
91
0
+
×
24
15
92
0
+
×
25
15
93
0
+
×
22
26
15
94
0
+
×
27
15
95
0
+
×
28
15
96
0
+
×
29
15
97
0
Kristi Himmelfartsdag
+
×
30
15
98
0
+
×
31
15
99
0
+
×
23
 
June 2025
week
Mon
Tue
Wed
Thu
Fri
Sat
Sun
22
01
15
100
0
+
×
23
02
15
101
0
+
×
03
15
102
0
+
×
04
15
103
0
+
×
05
15
104
0
+
×
06
15
105
0
+
×
07
15
106
0
+
×
08
15
107
0
Første pinsedag
+
×
24
09
15
108
0
Andre pinsedag
+
×
10
15
109
0
+
×
11
15
110
0
+
×
12
15
111
0
+
×
13
15
112
0
+
×
14
15
113
0
+
×
15
15
114
0
+
×
25
16
15
115
0
+
×
17
15
116
0
+
×
18
15
117
0
+
×
19
15
118
0
+
×
20
15
119
0
+
×
21
15
120
0
+
×
22
15
121
0
+
×
26
23
15
122
0
+
×
24
15
123
0
+
×
25
15
124
0
+
×
26
15
125
0
+
×
27
15
126
0
+
×
28
15
127
0
+
×
29
15
128
0
+
×
27
30
15
129
0
+
×
July 2025
week
Mon
Tue
Wed
Thu
Fri
Sat
Sun
27
01
15
130
0
+
×
02
15
131
0
+
×
03
15
132
0
+
×
04
15
133
0
+
×
05
15
134
0
+
×
06
15
135
0
+
×
28
07
15
136
0
+
×
08
15
137
0
+
×
09
15
138
0
+
×
10
15
139
0
+
×
11
15
140
0
+
×
12
15
141
0
+
×
13
15
142
0
+
×
29
14
15
143
0
+
×
15
15
144
0
+
×
16
15
145
0
+
×
17
15
146
0
+
×
18
15
147
0
+
×
19
15
148
0
+
×
20
15
149
0
+
×
30
21
15
150
0
+
×
22
15
151
0
+
×
23
15
152
0
+
×
24
15
153
0
+
×
25
15
154
0
+
×
26
15
155
0
+
×
27
15
156
0
+
×
31
28
15
157
0
+
×
29
15
158
0
+
×
30
15
159
0
+
×
31
15
160
0
+
×
32
August 2025
week
Mon
Tue
Wed
Thu
Fri
Sat
Sun
31
01
15
161
0
+
×
02
15
162
0
+
×
03
15
163
0
+
×
32
04
15
164
0
+
×
05
15
165
0
+
×
06
15
166
0
+
×
07
15
167
0
+
×
08
15
168
0
+
×
09
15
169
0
+
×
10
15
170
0
+
×
33
11
15
171
0
+
×
12
15
172
0
+
×
13
15
173
0
+
×
14
15
174
0
+
×
15
15
175
0
+
×
16
15
176
0
+
×
17
15
177
0
+
×
34
18
15
178
0
+
×
19
15
179
0
+
×
20
15
180
0
+
×
21
15
181
0
+
×
22
15
182
0
+
×
23
15
183
0
+
×
24
15
184
0
+
×
35
25
15
185
0
+
×
26
15
186
0
+
×
27
15
187
0
+
×
28
15
188
0
+
×
29
15
189
0
+
×
30
15
190
0
+
×
31
15
191
0
+
×
36
September 2025
week
Mon
Tue
Wed
Thu
Fri
Sat
Sun
36
01
15
192
0
+
×
02
15
193
0
+
×
03
15
194
0
+
×
04
15
195
0
+
×
05
15
196
0
+
×
06
15
197
0
+
×
07
15
198
0
+
×
37
08
15
199
0
+
×
09
15
200
0
+
×
10
15
201
0
+
×
11
15
202
0
+
×
12
15
203
0
+
×
13
15
204
0
+
×
14
15
205
0
+
×
38
15
15
206
0
+
×
16
15
207
0
+
×
17
15
208
0
+
×
18
15
209
0
+
×
19
15
210
0
+
×
20
15
211
0
+
×
21
15
212
0
+
×
39
22
15
213
0
+
×
23
15
214
0
+
×
24
15
215
0
+
×
25
15
216
0
+
×
26
15
217
0
+
×
27
15
218
0
+
×
28
15
219
0
+
×
40
29
15
220
0
+
×
30
15
221
0
+
×
41
 
October 2025
week
Mon
Tue
Wed
Thu
Fri
Sat
Sun
40
01
15
222
0
+
×
02
15
223
0
+
×
03
15
224
0
+
×
04
15
225
0
+
×
05
15
226
0
+
×
41
06
15
227
0
+
×
07
15
228
0
+
×
08
15
229
0
+
×
09
15
230
0
+
×
10
15
231
0
+
×
11
15
232
0
+
×
12
15
233
0
+
×
42
13
15
234
0
+
×
14
15
235
0
+
×
15
15
236
0
+
×
16
15
237
0
+
×
17
15
238
0
+
×
18
15
239
0
+
×
19
15
240
0
+
×
43
20
15
241
0
+
×
21
15
242
0
+
×
22
15
243
0
+
×
23
15
244
0
+
×
24
15
245
0
+
×
25
15
246
0
+
×
26
15
247
0
+
×
44
27
15
248
0
+
×
28
15
249
0
+
×
29
15
250
0
+
×
30
15
251
0
+
×
31
15
252
0
+
×
45
November 2025
week
Mon
Tue
Wed
Thu
Fri
Sat
Sun
44
01
15
253
0
+
×
02
15
254
0
+
×
45
03
15
255
0
+
×
04
15
256
0
+
×
05
15
257
0
+
×
06
15
258
0
+
×
07
15
259
0
+
×
08
15
260
0
+
×
09
15
261
0
+
×
46
10
15
262
0
+
×
11
15
263
0
+
×
12
15
264
0
+
×
13
15
265
0
+
×
14
15
266
0
+
×
15
15
267
0
+
×
16
15
268
0
+
×
47
17
15
269
0
+
×
18
15
270
0
+
×
19
15
271
0
+
×
20
15
272
0
+
×
21
15
273
0
+
×
22
15
274
0
+
×
23
15
275
0
+
×
48
24
15
276
0
+
×
25
15
277
0
+
×
26
15
278
0
+
×
27
15
279
0
+
×
28
15
280
0
+
×
29
15
281
0
+
×
30
15
282
0
+
×
49
December 2025
week
Mon
Tue
Wed
Thu
Fri
Sat
Sun
49
01
15
283
0
+
×
02
15
284
0
+
×
03
15
285
0
+
×
04
15
286
0
+
×
05
15
287
0
+
×
06
15
288
0
+
×
07
15
289
0
+
×
50
08
15
290
0
+
×
09
15
291
0
+
×
10
15
292
0
+
×
11
15
293
0
+
×
12
15
294
0
+
×
13
15
295
0
+
×
14
15
296
0
+
×
51
15
15
297
0
+
×
16
15
298
0
+
×
17
15
299
0
+
×
18
15
300
0
+
×
19
15
301
0
+
×
20
15
302
0
+
×
21
15
303
0
+
×
52
22
15
304
0
+
×
23
15
305
0
+
×
24
15
306
0
+
×
25
15
307
0
Første Juledag
+
×
26
15
308
0
Andre Juledag
+
×
27
15
309
0
+
×
28
15
310
0
+
×
01
29
15
311
0
+
×
30
15
312
0
+
×
31
15
313
0
+
×
02
January 2026
week
Mon
Tue
Wed
Thu
Fri
Sat
Sun
01
01
15
314
0
Første nyttårsdag
+
×
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