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Holidays optimizer
Define a period
..in Netherlands
| National holidays
Today, Wednesday, 22 January, 2025

Working day : yes
Week : 04 / 52
Day of the year : 22 / 365
Working day of the year : 15 / 253
Time (UTC +01) : 05:04

Working days

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Japan
México
Colombia
Venezuela
Argentina
Chile
Australia
South Africa
New Zealand
Israel
Turkey
Portugal
Monaco
Greece
Luxembourg
Working days world map
Deutschland
Poland
Österreich
Belgique
Schweiz
Sweden
Denmark
Finland
USA
France
United Kingdom & Ireland
Norway
Russia
Ukraine
Brasil
India
China
South Korea
Canada
...
xxxx
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days:
working days:
weekend days:
custom dates:
public holidays:
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From:
Morning
Afternoon
to:
Morning
Afternoon
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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
22
15
0
0
+
×
23
15
1
0
+
×
24
15
2
0
+
×
25
15
3
0
+
×
26
15
4
0
+
×
05
27
15
5
0
+
×
28
15
6
0
+
×
29
15
7
0
+
×
30
15
8
0
+
×
31
15
9
0
+
×
06
February 2025
week
Mon
Tue
Wed
Thu
Fri
Sat
Sun
05
01
15
10
0
+
×
02
15
11
0
+
×
06
03
15
12
0
+
×
04
15
13
0
+
×
05
15
14
0
+
×
06
15
15
0
+
×
07
15
16
0
+
×
08
15
17
0
+
×
09
15
18
0
+
×
07
10
15
19
0
+
×
11
15
20
0
+
×
12
15
21
0
+
×
13
15
22
0
+
×
14
15
23
0
+
×
15
15
24
0
+
×
16
15
25
0
+
×
08
17
15
26
0
+
×
18
15
27
0
+
×
19
15
28
0
+
×
20
15
29
0
+
×
21
15
30
0
+
×
22
15
31
0
+
×
23
15
32
0
+
×
09
24
15
33
0
+
×
25
15
34
0
+
×
26
15
35
0
+
×
27
15
36
0
+
×
28
15
37
0
+
×
10
March 2025
week
Mon
Tue
Wed
Thu
Fri
Sat
Sun
09
01
15
38
0
+
×
02
15
39
0
+
×
10
03
15
40
0
+
×
04
15
41
0
+
×
05
15
42
0
+
×
06
15
43
0
+
×
07
15
44
0
+
×
08
15
45
0
+
×
09
15
46
0
+
×
11
10
15
47
0
+
×
11
15
48
0
+
×
12
15
49
0
+
×
13
15
50
0
+
×
14
15
51
0
+
×
15
15
52
0
+
×
16
15
53
0
+
×
12
17
15
54
0
+
×
18
15
55
0
+
×
19
15
56
0
+
×
20
15
57
0
+
×
21
15
58
0
+
×
22
15
59
0
+
×
23
15
60
0
+
×
13
24
15
61
0
+
×
25
15
62
0
+
×
26
15
63
0
+
×
27
15
64
0
+
×
28
15
65
0
+
×
29
15
66
0
+
×
30
15
67
0
+
×
14
31
15
68
0
+
×
April 2025
week
Mon
Tue
Wed
Thu
Fri
Sat
Sun
14
01
15
69
0
+
×
02
15
70
0
+
×
03
15
71
0
+
×
04
15
72
0
+
×
05
15
73
0
+
×
06
15
74
0
+
×
15
07
15
75
0
+
×
08
15
76
0
+
×
09
15
77
0
+
×
10
15
78
0
+
×
11
15
79
0
+
×
12
15
80
0
+
×
13
15
81
0
+
×
16
14
15
82
0
+
×
15
15
83
0
+
×
16
15
84
0
+
×
17
15
85
0
+
×
18
15
86
0
Goede Vrijdag
+
×
19
15
87
0
+
×
20
15
88
0
Eerste Paasdag
+
×
17
21
15
89
0
Tweede Paasdag
+
×
22
15
90
0
+
×
23
15
91
0
+
×
24
15
92
0
+
×
25
15
93
0
+
×
26
15
94
0
Koningsdag
+
×
27
15
95
0
+
×
18
28
15
96
0
+
×
29
15
97
0
+
×
30
15
98
0
+
×
19
 
May 2025
week
Mon
Tue
Wed
Thu
Fri
Sat
Sun
18
01
15
99
0
+
×
02
15
100
0
+
×
03
15
101
0
+
×
04
15
102
0
+
×
19
05
15
103
0
Bevrijdingsdag
+
×
06
15
104
0
+
×
07
15
105
0
+
×
08
15
106
0
+
×
09
15
107
0
+
×
10
15
108
0
+
×
11
15
109
0
+
×
20
12
15
110
0
+
×
13
15
111
0
+
×
14
15
112
0
+
×
15
15
113
0
+
×
16
15
114
0
+
×
17
15
115
0
+
×
18
15
116
0
+
×
21
19
15
117
0
+
×
20
15
118
0
+
×
21
15
119
0
+
×
22
15
120
0
+
×
23
15
121
0
+
×
24
15
122
0
+
×
25
15
123
0
+
×
22
26
15
124
0
+
×
27
15
125
0
+
×
28
15
126
0
+
×
29
15
127
0
Hemelvaartsdag
+
×
30
15
128
0
+
×
31
15
129
0
+
×
23
June 2025
week
Mon
Tue
Wed
Thu
Fri
Sat
Sun
22
01
15
130
0
+
×
23
02
15
131
0
+
×
03
15
132
0
+
×
04
15
133
0
+
×
05
15
134
0
+
×
06
15
135
0
+
×
07
15
136
0
+
×
08
15
137
0
Eerste Pinksterdag
+
×
24
09
15
138
0
Tweede Pinksterdag
+
×
10
15
139
0
+
×
11
15
140
0
+
×
12
15
141
0
+
×
13
15
142
0
+
×
14
15
143
0
+
×
15
15
144
0
+
×
25
16
15
145
0
+
×
17
15
146
0
+
×
18
15
147
0
+
×
19
15
148
0
+
×
20
15
149
0
+
×
21
15
150
0
+
×
22
15
151
0
+
×
26
23
15
152
0
+
×
24
15
153
0
+
×
25
15
154
0
+
×
26
15
155
0
+
×
27
15
156
0
+
×
28
15
157
0
+
×
29
15
158
0
+
×
27
30
15
159
0
+
×
July 2025
week
Mon
Tue
Wed
Thu
Fri
Sat
Sun
27
01
15
160
0
+
×
02
15
161
0
+
×
03
15
162
0
+
×
04
15
163
0
+
×
05
15
164
0
+
×
06
15
165
0
+
×
28
07
15
166
0
+
×
08
15
167
0
+
×
09
15
168
0
+
×
10
15
169
0
+
×
11
15
170
0
+
×
12
15
171
0
+
×
13
15
172
0
+
×
29
14
15
173
0
+
×
15
15
174
0
+
×
16
15
175
0
+
×
17
15
176
0
+
×
18
15
177
0
+
×
19
15
178
0
+
×
20
15
179
0
+
×
30
21
15
180
0
+
×
22
15
181
0
+
×
23
15
182
0
+
×
24
15
183
0
+
×
25
15
184
0
+
×
26
15
185
0
+
×
27
15
186
0
+
×
31
28
15
187
0
+
×
29
15
188
0
+
×
30
15
189
0
+
×
31
15
190
0
+
×
32
August 2025
week
Mon
Tue
Wed
Thu
Fri
Sat
Sun
31
01
15
191
0
+
×
02
15
192
0
+
×
03
15
193
0
+
×
32
04
15
194
0
+
×
05
15
195
0
+
×
06
15
196
0
+
×
07
15
197
0
+
×
08
15
198
0
+
×
09
15
199
0
+
×
10
15
200
0
+
×
33
11
15
201
0
+
×
12
15
202
0
+
×
13
15
203
0
+
×
14
15
204
0
+
×
15
15
205
0
+
×
16
15
206
0
+
×
17
15
207
0
+
×
34
18
15
208
0
+
×
19
15
209
0
+
×
20
15
210
0
+
×
21
15
211
0
+
×
22
15
212
0
+
×
23
15
213
0
+
×
24
15
214
0
+
×
35
25
15
215
0
+
×
26
15
216
0
+
×
27
15
217
0
+
×
28
15
218
0
+
×
29
15
219
0
+
×
30
15
220
0
+
×
31
15
221
0
+
×
36
 
September 2025
week
Mon
Tue
Wed
Thu
Fri
Sat
Sun
36
01
15
222
0
+
×
02
15
223
0
+
×
03
15
224
0
+
×
04
15
225
0
+
×
05
15
226
0
+
×
06
15
227
0
+
×
07
15
228
0
+
×
37
08
15
229
0
+
×
09
15
230
0
+
×
10
15
231
0
+
×
11
15
232
0
+
×
12
15
233
0
+
×
13
15
234
0
+
×
14
15
235
0
+
×
38
15
15
236
0
+
×
16
15
237
0
+
×
17
15
238
0
+
×
18
15
239
0
+
×
19
15
240
0
+
×
20
15
241
0
+
×
21
15
242
0
+
×
39
22
15
243
0
+
×
23
15
244
0
+
×
24
15
245
0
+
×
25
15
246
0
+
×
26
15
247
0
+
×
27
15
248
0
+
×
28
15
249
0
+
×
40
29
15
250
0
+
×
30
15
251
0
+
×
41
October 2025
week
Mon
Tue
Wed
Thu
Fri
Sat
Sun
40
01
15
252
0
+
×
02
15
253
0
+
×
03
15
254
0
+
×
04
15
255
0
+
×
05
15
256
0
+
×
41
06
15
257
0
+
×
07
15
258
0
+
×
08
15
259
0
+
×
09
15
260
0
+
×
10
15
261
0
+
×
11
15
262
0
+
×
12
15
263
0
+
×
42
13
15
264
0
+
×
14
15
265
0
+
×
15
15
266
0
+
×
16
15
267
0
+
×
17
15
268
0
+
×
18
15
269
0
+
×
19
15
270
0
+
×
43
20
15
271
0
+
×
21
15
272
0
+
×
22
15
273
0
+
×
23
15
274
0
+
×
24
15
275
0
+
×
25
15
276
0
+
×
26
15
277
0
+
×
44
27
15
278
0
+
×
28
15
279
0
+
×
29
15
280
0
+
×
30
15
281
0
+
×
31
15
282
0
+
×
45
November 2025
week
Mon
Tue
Wed
Thu
Fri
Sat
Sun
44
01
15
283
0
+
×
02
15
284
0
+
×
45
03
15
285
0
+
×
04
15
286
0
+
×
05
15
287
0
+
×
06
15
288
0
+
×
07
15
289
0
+
×
08
15
290
0
+
×
09
15
291
0
+
×
46
10
15
292
0
+
×
11
15
293
0
+
×
12
15
294
0
+
×
13
15
295
0
+
×
14
15
296
0
+
×
15
15
297
0
+
×
16
15
298
0
+
×
47
17
15
299
0
+
×
18
15
300
0
+
×
19
15
301
0
+
×
20
15
302
0
+
×
21
15
303
0
+
×
22
15
304
0
+
×
23
15
305
0
+
×
48
24
15
306
0
+
×
25
15
307
0
+
×
26
15
308
0
+
×
27
15
309
0
+
×
28
15
310
0
+
×
29
15
311
0
+
×
30
15
312
0
+
×
49
December 2025
week
Mon
Tue
Wed
Thu
Fri
Sat
Sun
49
01
15
313
0
+
×
02
15
314
0
+
×
03
15
315
0
+
×
04
15
316
0
+
×
05
15
317
0
+
×
06
15
318
0
+
×
07
15
319
0
+
×
50
08
15
320
0
+
×
09
15
321
0
+
×
10
15
322
0
+
×
11
15
323
0
+
×
12
15
324
0
+
×
13
15
325
0
+
×
14
15
326
0
+
×
51
15
15
327
0
+
×
16
15
328
0
+
×
17
15
329
0
+
×
18
15
330
0
+
×
19
15
331
0
+
×
20
15
332
0
+
×
21
15
333
0
+
×
52
22
15
334
0
+
×
23
15
335
0
+
×
24
15
336
0
+
×
25
15
337
0
Eerste Kerstdag
+
×
26
15
338
0
Tweede Kerstdag
+
×
27
15
339
0
+
×
28
15
340
0
+
×
01
29
15
341
0
+
×
30
15
342
0
+
×
31
15
343
0
+
×
02
 
January 2026
week
Mon
Tue
Wed
Thu
Fri
Sat
Sun
01
01
15
344
0
Nieuwjaar
+
×
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