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Holidays optimizer
Define a period
..in Japan
| Standard
Today, Wednesday, 15 January, 2025

Working day : yes
Week : 03 / 52
Day of the year : 15 / 365
Working day of the year : 9 / 246
Time (UTC +09) : 05:10

Working days

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dss
España
Argentina
Chile
Schweiz
Israel
Sweden
Denmark
Norway
Finland
Turkey
Portugal
Netherlands
Belgique
Monaco
Greece
Luxembourg
Canada
Working days world map
USA
India
China
Australia
South Africa
New Zealand
Russia
Ukraine
South Korea
Brasil
France
United Kingdom & Ireland
México
Colombia
Venezuela
Deutschland
Poland
Österreich
Italia
...
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From to
days:
working days:
weekend days:
custom dates:
public holidays:
Define a period
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From:
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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
15
15
0
0
+
×
16
15
1
0
+
×
17
15
2
0
+
×
18
15
3
0
+
×
19
15
4
0
+
×
04
20
15
5
0
+
×
21
15
6
0
+
×
22
15
7
0
+
×
23
15
8
0
+
×
24
15
9
0
+
×
25
15
10
0
+
×
26
15
11
0
+
×
05
27
15
12
0
+
×
28
15
13
0
+
×
29
15
14
0
+
×
30
15
15
0
+
×
31
15
16
0
+
×
06
February 2025
week
Mon
Tue
Wed
Thu
Fri
Sat
Sun
05
01
15
17
0
+
×
02
15
18
0
+
×
06
03
15
19
0
+
×
04
15
20
0
+
×
05
15
21
0
+
×
06
15
22
0
+
×
07
15
23
0
+
×
08
15
24
0
+
×
09
15
25
0
+
×
07
10
15
26
0
+
×
11
15
27
0
Foundation Day
+
×
12
15
28
0
+
×
13
15
29
0
+
×
14
15
30
0
+
×
15
15
31
0
+
×
16
15
32
0
+
×
08
17
15
33
0
+
×
18
15
34
0
+
×
19
15
35
0
+
×
20
15
36
0
+
×
21
15
37
0
+
×
22
15
38
0
+
×
23
15
39
0
Emperor's Birthday
+
×
09
24
15
40
0
Emperor's Birthday (obs.)
+
×
25
15
41
0
+
×
26
15
42
0
+
×
27
15
43
0
+
×
28
15
44
0
+
×
10
March 2025
week
Mon
Tue
Wed
Thu
Fri
Sat
Sun
09
01
15
45
0
+
×
02
15
46
0
+
×
10
03
15
47
0
+
×
04
15
48
0
+
×
05
15
49
0
+
×
06
15
50
0
+
×
07
15
51
0
+
×
08
15
52
0
+
×
09
15
53
0
+
×
11
10
15
54
0
+
×
11
15
55
0
+
×
12
15
56
0
+
×
13
15
57
0
+
×
14
15
58
0
+
×
15
15
59
0
+
×
16
15
60
0
+
×
12
17
15
61
0
+
×
18
15
62
0
+
×
19
15
63
0
+
×
20
15
64
0
Vernal Equinox Day
+
×
21
15
65
0
+
×
22
15
66
0
+
×
23
15
67
0
+
×
13
24
15
68
0
+
×
25
15
69
0
+
×
26
15
70
0
+
×
27
15
71
0
+
×
28
15
72
0
+
×
29
15
73
0
+
×
30
15
74
0
+
×
14
31
15
75
0
+
×
April 2025
week
Mon
Tue
Wed
Thu
Fri
Sat
Sun
14
01
15
76
0
+
×
02
15
77
0
+
×
03
15
78
0
+
×
04
15
79
0
+
×
05
15
80
0
+
×
06
15
81
0
+
×
15
07
15
82
0
+
×
08
15
83
0
+
×
09
15
84
0
+
×
10
15
85
0
+
×
11
15
86
0
+
×
12
15
87
0
+
×
13
15
88
0
+
×
16
14
15
89
0
+
×
15
15
90
0
+
×
16
15
91
0
+
×
17
15
92
0
+
×
18
15
93
0
+
×
19
15
94
0
+
×
20
15
95
0
+
×
17
21
15
96
0
+
×
22
15
97
0
+
×
23
15
98
0
+
×
24
15
99
0
+
×
25
15
100
0
+
×
26
15
101
0
+
×
27
15
102
0
+
×
18
28
15
103
0
+
×
29
15
104
0
Shōwa Day
+
×
30
15
105
0
+
×
19
 
May 2025
week
Mon
Tue
Wed
Thu
Fri
Sat
Sun
18
01
15
106
0
+
×
02
15
107
0
+
×
03
15
108
0
Constitution Memorial Day
+
×
04
15
109
0
Greenery Day
+
×
19
05
15
110
0
Children's Day
+
×
06
15
111
0
Greenery Day
+
×
07
15
112
0
+
×
08
15
113
0
+
×
09
15
114
0
+
×
10
15
115
0
+
×
11
15
116
0
+
×
20
12
15
117
0
+
×
13
15
118
0
+
×
14
15
119
0
+
×
15
15
120
0
+
×
16
15
121
0
+
×
17
15
122
0
+
×
18
15
123
0
+
×
21
19
15
124
0
+
×
20
15
125
0
+
×
21
15
126
0
+
×
22
15
127
0
+
×
23
15
128
0
+
×
24
15
129
0
+
×
25
15
130
0
+
×
22
26
15
131
0
+
×
27
15
132
0
+
×
28
15
133
0
+
×
29
15
134
0
+
×
30
15
135
0
+
×
31
15
136
0
+
×
23
June 2025
week
Mon
Tue
Wed
Thu
Fri
Sat
Sun
22
01
15
137
0
+
×
23
02
15
138
0
+
×
03
15
139
0
+
×
04
15
140
0
+
×
05
15
141
0
+
×
06
15
142
0
+
×
07
15
143
0
+
×
08
15
144
0
+
×
24
09
15
145
0
+
×
10
15
146
0
+
×
11
15
147
0
+
×
12
15
148
0
+
×
13
15
149
0
+
×
14
15
150
0
+
×
15
15
151
0
+
×
25
16
15
152
0
+
×
17
15
153
0
+
×
18
15
154
0
+
×
19
15
155
0
+
×
20
15
156
0
+
×
21
15
157
0
+
×
22
15
158
0
+
×
26
23
15
159
0
+
×
24
15
160
0
+
×
25
15
161
0
+
×
26
15
162
0
+
×
27
15
163
0
+
×
28
15
164
0
+
×
29
15
165
0
+
×
27
30
15
166
0
+
×
July 2025
week
Mon
Tue
Wed
Thu
Fri
Sat
Sun
27
01
15
167
0
+
×
02
15
168
0
+
×
03
15
169
0
+
×
04
15
170
0
+
×
05
15
171
0
+
×
06
15
172
0
+
×
28
07
15
173
0
+
×
08
15
174
0
+
×
09
15
175
0
+
×
10
15
176
0
+
×
11
15
177
0
+
×
12
15
178
0
+
×
13
15
179
0
+
×
29
14
15
180
0
+
×
15
15
181
0
+
×
16
15
182
0
+
×
17
15
183
0
+
×
18
15
184
0
+
×
19
15
185
0
+
×
20
15
186
0
+
×
30
21
15
187
0
Marine Day
+
×
22
15
188
0
+
×
23
15
189
0
+
×
24
15
190
0
+
×
25
15
191
0
+
×
26
15
192
0
+
×
27
15
193
0
+
×
31
28
15
194
0
+
×
29
15
195
0
+
×
30
15
196
0
+
×
31
15
197
0
+
×
32
August 2025
week
Mon
Tue
Wed
Thu
Fri
Sat
Sun
31
01
15
198
0
+
×
02
15
199
0
+
×
03
15
200
0
+
×
32
04
15
201
0
+
×
05
15
202
0
+
×
06
15
203
0
+
×
07
15
204
0
+
×
08
15
205
0
+
×
09
15
206
0
+
×
10
15
207
0
+
×
33
11
15
208
0
Mountain Day
+
×
12
15
209
0
+
×
13
15
210
0
+
×
14
15
211
0
+
×
15
15
212
0
+
×
16
15
213
0
+
×
17
15
214
0
+
×
34
18
15
215
0
+
×
19
15
216
0
+
×
20
15
217
0
+
×
21
15
218
0
+
×
22
15
219
0
+
×
23
15
220
0
+
×
24
15
221
0
+
×
35
25
15
222
0
+
×
26
15
223
0
+
×
27
15
224
0
+
×
28
15
225
0
+
×
29
15
226
0
+
×
30
15
227
0
+
×
31
15
228
0
+
×
36
 
September 2025
week
Mon
Tue
Wed
Thu
Fri
Sat
Sun
36
01
15
229
0
+
×
02
15
230
0
+
×
03
15
231
0
+
×
04
15
232
0
+
×
05
15
233
0
+
×
06
15
234
0
+
×
07
15
235
0
+
×
37
08
15
236
0
+
×
09
15
237
0
+
×
10
15
238
0
+
×
11
15
239
0
+
×
12
15
240
0
+
×
13
15
241
0
+
×
14
15
242
0
+
×
38
15
15
243
0
Respect-for-Aged Day
+
×
16
15
244
0
+
×
17
15
245
0
+
×
18
15
246
0
+
×
19
15
247
0
+
×
20
15
248
0
+
×
21
15
249
0
+
×
39
22
15
250
0
+
×
23
15
251
0
Autumnal Equinox Day
+
×
24
15
252
0
+
×
25
15
253
0
+
×
26
15
254
0
+
×
27
15
255
0
+
×
28
15
256
0
+
×
40
29
15
257
0
+
×
30
15
258
0
+
×
41
October 2025
week
Mon
Tue
Wed
Thu
Fri
Sat
Sun
40
01
15
259
0
+
×
02
15
260
0
+
×
03
15
261
0
+
×
04
15
262
0
+
×
05
15
263
0
+
×
41
06
15
264
0
+
×
07
15
265
0
+
×
08
15
266
0
+
×
09
15
267
0
+
×
10
15
268
0
+
×
11
15
269
0
+
×
12
15
270
0
+
×
42
13
15
271
0
Health and Sports Day
+
×
14
15
272
0
+
×
15
15
273
0
+
×
16
15
274
0
+
×
17
15
275
0
+
×
18
15
276
0
+
×
19
15
277
0
+
×
43
20
15
278
0
+
×
21
15
279
0
+
×
22
15
280
0
+
×
23
15
281
0
+
×
24
15
282
0
+
×
25
15
283
0
+
×
26
15
284
0
+
×
44
27
15
285
0
+
×
28
15
286
0
+
×
29
15
287
0
+
×
30
15
288
0
+
×
31
15
289
0
+
×
45
November 2025
week
Mon
Tue
Wed
Thu
Fri
Sat
Sun
44
01
15
290
0
+
×
02
15
291
0
+
×
45
03
15
292
0
Culture Day
+
×
04
15
293
0
+
×
05
15
294
0
+
×
06
15
295
0
+
×
07
15
296
0
+
×
08
15
297
0
+
×
09
15
298
0
+
×
46
10
15
299
0
+
×
11
15
300
0
+
×
12
15
301
0
+
×
13
15
302
0
+
×
14
15
303
0
+
×
15
15
304
0
+
×
16
15
305
0
+
×
47
17
15
306
0
+
×
18
15
307
0
+
×
19
15
308
0
+
×
20
15
309
0
+
×
21
15
310
0
+
×
22
15
311
0
+
×
23
15
312
0
Labor Thanksgiving Day
+
×
48
24
15
313
0
Labor Thanksgiving Day (obs.)
+
×
25
15
314
0
+
×
26
15
315
0
+
×
27
15
316
0
+
×
28
15
317
0
+
×
29
15
318
0
+
×
30
15
319
0
+
×
49
December 2025
week
Mon
Tue
Wed
Thu
Fri
Sat
Sun
49
01
15
320
0
+
×
02
15
321
0
+
×
03
15
322
0
+
×
04
15
323
0
+
×
05
15
324
0
+
×
06
15
325
0
+
×
07
15
326
0
+
×
50
08
15
327
0
+
×
09
15
328
0
+
×
10
15
329
0
+
×
11
15
330
0
+
×
12
15
331
0
+
×
13
15
332
0
+
×
14
15
333
0
+
×
51
15
15
334
0
+
×
16
15
335
0
+
×
17
15
336
0
+
×
18
15
337
0
+
×
19
15
338
0
+
×
20
15
339
0
+
×
21
15
340
0
+
×
52
22
15
341
0
+
×
23
15
342
0
+
×
24
15
343
0
+
×
25
15
344
0
+
×
26
15
345
0
+
×
27
15
346
0
+
×
28
15
347
0
+
×
01
29
15
348
0
+
×
30
15
349
0
+
×
31
15
350
0
+
×
02
 
January 2026
week
Mon
Tue
Wed
Thu
Fri
Sat
Sun
01
01
15
351
0
New Year's Day
+
×
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