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Holidays optimizer
New version 2026
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“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)”
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Denmark
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México
Colombia
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Argentina
Chile
Japan
Monaco
Greece
Luxembourg
Australia
Working days world map
Deutschland
Poland
Russia
Ukraine
France
United Kingdom & Ireland
Österreich
USA
Schweiz
Netherlands
Belgique
China
South Korea
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Italia
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South Africa
New Zealand
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custom dates:
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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 
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 ()
March 2026
week
Mon
Tue
Wed
Thu
Fri
Sat
Sun
09
10
11
12
21
15
0
0
+
×
22
15
1
0
+
×
13
23
15
2
0
+
×
24
15
3
0
+
×
25
15
4
0
+
×
26
15
5
0
+
×
27
15
6
0
+
×
28
15
7
0
+
×
29
15
8
0
+
×
14
30
15
9
0
+
×
31
15
10
0
+
×
April 2026
week
Mon
Tue
Wed
Thu
Fri
Sat
Sun
14
01
15
11
0
+
×
02
15
12
0
+
×
03
15
13
0
Good Friday
+
×
04
15
14
0
+
×
05
15
15
0
Easter Sunday
+
×
15
06
15
16
0
Easter Monday
+
×
07
15
17
0
+
×
08
15
18
0
+
×
09
15
19
0
+
×
10
15
20
0
+
×
11
15
21
0
+
×
12
15
22
0
+
×
16
13
15
23
0
+
×
14
15
24
0
+
×
15
15
25
0
+
×
16
15
26
0
+
×
17
15
27
0
+
×
18
15
28
0
+
×
19
15
29
0
+
×
17
20
15
30
0
+
×
21
15
31
0
+
×
22
15
32
0
+
×
23
15
33
0
+
×
24
15
34
0
+
×
25
15
35
0
+
×
26
15
36
0
+
×
18
27
15
37
0
+
×
28
15
38
0
+
×
29
15
39
0
+
×
30
15
40
0
+
×
19
May 2026
week
Mon
Tue
Wed
Thu
Fri
Sat
Sun
18
01
15
41
0
Labour Day
+
×
02
15
42
0
+
×
03
15
43
0
+
×
19
04
15
44
0
+
×
05
15
45
0
+
×
06
15
46
0
+
×
07
15
47
0
+
×
08
15
48
0
+
×
09
15
49
0
+
×
10
15
50
0
+
×
20
11
15
51
0
+
×
12
15
52
0
+
×
13
15
53
0
+
×
14
15
54
0
+
×
15
15
55
0
+
×
16
15
56
0
+
×
17
15
57
0
+
×
21
18
15
58
0
+
×
19
15
59
0
+
×
20
15
60
0
+
×
21
15
61
0
+
×
22
15
62
0
+
×
23
15
63
0
+
×
24
15
64
0
Pentecost Sunday
+
×
22
25
15
65
0
Pentecost Monday
+
×
26
15
66
0
+
×
27
15
67
0
+
×
28
15
68
0
+
×
29
15
69
0
+
×
30
15
70
0
+
×
31
15
71
0
+
×
23
June 2026
week
Mon
Tue
Wed
Thu
Fri
Sat
Sun
23
01
15
72
0
+
×
02
15
73
0
+
×
03
15
74
0
+
×
04
15
75
0
+
×
05
15
76
0
+
×
06
15
77
0
+
×
07
15
78
0
+
×
24
08
15
79
0
+
×
09
15
80
0
+
×
10
15
81
0
+
×
11
15
82
0
+
×
12
15
83
0
+
×
13
15
84
0
+
×
14
15
85
0
+
×
25
15
15
86
0
+
×
16
15
87
0
+
×
17
15
88
0
+
×
18
15
89
0
+
×
19
15
90
0
+
×
20
15
91
0
+
×
21
15
92
0
+
×
26
22
15
93
0
+
×
23
15
94
0
+
×
24
15
95
0
+
×
25
15
96
0
+
×
26
15
97
0
+
×
27
15
98
0
+
×
28
15
99
0
+
×
27
29
15
100
0
+
×
30
15
101
0
+
×
28
 
July 2026
week
Mon
Tue
Wed
Thu
Fri
Sat
Sun
27
01
15
102
0
+
×
02
15
103
0
+
×
03
15
104
0
+
×
04
15
105
0
+
×
05
15
106
0
+
×
28
06
15
107
0
+
×
07
15
108
0
+
×
08
15
109
0
+
×
09
15
110
0
+
×
10
15
111
0
+
×
11
15
112
0
+
×
12
15
113
0
+
×
29
13
15
114
0
+
×
14
15
115
0
+
×
15
15
116
0
+
×
16
15
117
0
+
×
17
15
118
0
+
×
18
15
119
0
+
×
19
15
120
0
+
×
30
20
15
121
0
+
×
21
15
122
0
+
×
22
15
123
0
+
×
23
15
124
0
+
×
24
15
125
0
+
×
25
15
126
0
+
×
26
15
127
0
+
×
31
27
15
128
0
+
×
28
15
129
0
+
×
29
15
130
0
+
×
30
15
131
0
+
×
31
15
132
0
+
×
32
August 2026
week
Mon
Tue
Wed
Thu
Fri
Sat
Sun
31
01
15
133
0
+
×
02
15
134
0
+
×
32
03
15
135
0
+
×
04
15
136
0
+
×
05
15
137
0
+
×
06
15
138
0
+
×
07
15
139
0
+
×
08
15
140
0
+
×
09
15
141
0
+
×
33
10
15
142
0
+
×
11
15
143
0
+
×
12
15
144
0
+
×
13
15
145
0
+
×
14
15
146
0
+
×
15
15
147
0
+
×
16
15
148
0
+
×
34
17
15
149
0
+
×
18
15
150
0
+
×
19
15
151
0
+
×
20
15
152
0
State Foundation Day
+
×
21
15
153
0
Extra public holiday
+
×
22
15
154
0
+
×
23
15
155
0
+
×
35
24
15
156
0
+
×
25
15
157
0
+
×
26
15
158
0
+
×
27
15
159
0
+
×
28
15
160
0
+
×
29
15
161
0
+
×
30
15
162
0
+
×
36
31
15
163
0
+
×
September 2026
week
Mon
Tue
Wed
Thu
Fri
Sat
Sun
36
01
15
164
0
+
×
02
15
165
0
+
×
03
15
166
0
+
×
04
15
167
0
+
×
05
15
168
0
+
×
06
15
169
0
+
×
37
07
15
170
0
+
×
08
15
171
0
+
×
09
15
172
0
+
×
10
15
173
0
+
×
11
15
174
0
+
×
12
15
175
0
+
×
13
15
176
0
+
×
38
14
15
177
0
+
×
15
15
178
0
+
×
16
15
179
0
+
×
17
15
180
0
+
×
18
15
181
0
+
×
19
15
182
0
+
×
20
15
183
0
+
×
39
21
15
184
0
+
×
22
15
185
0
+
×
23
15
186
0
+
×
24
15
187
0
+
×
25
15
188
0
+
×
26
15
189
0
+
×
27
15
190
0
+
×
40
28
15
191
0
+
×
29
15
192
0
+
×
30
15
193
0
+
×
41
October 2026
week
Mon
Tue
Wed
Thu
Fri
Sat
Sun
40
01
15
194
0
+
×
02
15
195
0
+
×
03
15
196
0
+
×
04
15
197
0
+
×
41
05
15
198
0
+
×
06
15
199
0
+
×
07
15
200
0
+
×
08
15
201
0
+
×
09
15
202
0
+
×
10
15
203
0
+
×
11
15
204
0
+
×
42
12
15
205
0
+
×
13
15
206
0
+
×
14
15
207
0
+
×
15
15
208
0
+
×
16
15
209
0
+
×
17
15
210
0
+
×
18
15
211
0
+
×
43
19
15
212
0
+
×
20
15
213
0
+
×
21
15
214
0
+
×
22
15
215
0
+
×
23
15
216
0
National Day
+
×
24
15
217
0
+
×
25
15
218
0
+
×
44
26
15
219
0
+
×
27
15
220
0
+
×
28
15
221
0
+
×
29
15
222
0
+
×
30
15
223
0
+
×
31
15
224
0
+
×
45
 
November 2026
week
Mon
Tue
Wed
Thu
Fri
Sat
Sun
44
01
15
225
0
All Saints' Day
+
×
45
02
15
226
0
+
×
03
15
227
0
+
×
04
15
228
0
+
×
05
15
229
0
+
×
06
15
230
0
+
×
07
15
231
0
+
×
08
15
232
0
+
×
46
09
15
233
0
+
×
10
15
234
0
+
×
11
15
235
0
+
×
12
15
236
0
+
×
13
15
237
0
+
×
14
15
238
0
+
×
15
15
239
0
+
×
47
16
15
240
0
+
×
17
15
241
0
+
×
18
15
242
0
+
×
19
15
243
0
+
×
20
15
244
0
+
×
21
15
245
0
+
×
22
15
246
0
+
×
48
23
15
247
0
+
×
24
15
248
0
+
×
25
15
249
0
+
×
26
15
250
0
+
×
27
15
251
0
+
×
28
15
252
0
+
×
29
15
253
0
+
×
49
30
15
254
0
+
×
December 2026
week
Mon
Tue
Wed
Thu
Fri
Sat
Sun
49
01
15
255
0
+
×
02
15
256
0
+
×
03
15
257
0
+
×
04
15
258
0
+
×
05
15
259
0
+
×
06
15
260
0
+
×
50
07
15
261
0
+
×
08
15
262
0
+
×
09
15
263
0
+
×
10
15
264
0
+
×
11
15
265
0
+
×
12
15
266
0
+
×
13
15
267
0
+
×
51
14
15
268
0
+
×
15
15
269
0
+
×
16
15
270
0
+
×
17
15
271
0
+
×
18
15
272
0
+
×
19
15
273
0
+
×
20
15
274
0
+
×
52
21
15
275
0
+
×
22
15
276
0
+
×
23
15
277
0
+
×
24
15
278
0
Extra public holiday
+
×
25
15
279
0
Christmas Day
+
×
26
15
280
0
Second Day of Christmas
+
×
27
15
281
0
+
×
53
28
15
282
0
+
×
29
15
283
0
+
×
30
15
284
0
+
×
31
15
285
0
+
×
01
January 2027
week
Mon
Tue
Wed
Thu
Fri
Sat
Sun
53
01
15
286
0
New Year's Day
+
×
02
15
287
0
+
×
03
15
288
0
+
×
01
02
03
04
05
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