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Holidays optimizer
New version 2026
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Define a period
AI Assistant
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”
or
“I won't be working first week of next may (going to Greece)”
Assistant: I understand all languages.
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Make
every
day
count
..in China

Working days

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Employee  ▼
España
Argentina
Chile
Schweiz
Australia
South Africa
New Zealand
Israel
Sweden
Denmark
Norway
Finland
Turkey
Portugal
Netherlands
Belgique
Greece
Working days world map
Taiwan
Hong Kong
Singapore
South Korea
Russia
USA
Ukraine
Deutschland
Poland
Österreich
United Kingdom & Ireland
Brasil
Canada
France
Japan
México
Colombia
Venezuela
Italia
...
xxxx
From to
days:
working days:
weekend days:
custom dates:
public holidays:
Define a period
×
From:
to:
Morning
Afternoon
Reminder
Reminder
▼
make it periodic
Make it periodic
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work hours
Work hours
/day
▼
Teleworking
wages
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 
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 ()
April 2026
week
Mon
Tue
Wed
Thu
Fri
Sat
Sun
14
15
16
14
15
0
0
+
×
15
15
1
0
+
×
16
15
2
0
+
×
17
15
3
0
+
×
18
15
4
0
+
×
19
15
5
0
+
×
17
20
15
6
0
+
×
21
15
7
0
+
×
22
15
8
0
+
×
23
15
9
0
+
×
24
15
10
0
+
×
25
15
11
0
+
×
26
15
12
0
+
×
18
27
15
13
0
+
×
28
15
14
0
+
×
29
15
15
0
+
×
30
15
16
0
+
×
19
May 2026
week
Mon
Tue
Wed
Thu
Fri
Sat
Sun
18
01
15
17
0
Labor Day
+
×
02
15
18
0
Labor Day
+
×
03
15
19
0
Labor Day
+
×
19
04
15
20
0
Labor Day
+
×
05
15
21
0
Labor Day
+
×
06
15
22
0
+
×
07
15
23
0
+
×
08
15
24
0
+
×
09
15
25
0
+
×
10
15
26
0
+
×
20
11
15
27
0
+
×
12
15
28
0
+
×
13
15
29
0
+
×
14
15
30
0
+
×
15
15
31
0
+
×
16
15
32
0
+
×
17
15
33
0
+
×
21
18
15
34
0
+
×
19
15
35
0
+
×
20
15
36
0
+
×
21
15
37
0
+
×
22
15
38
0
+
×
23
15
39
0
+
×
24
15
40
0
+
×
22
25
15
41
0
+
×
26
15
42
0
+
×
27
15
43
0
+
×
28
15
44
0
+
×
29
15
45
0
+
×
30
15
46
0
+
×
31
15
47
0
+
×
23
June 2026
week
Mon
Tue
Wed
Thu
Fri
Sat
Sun
23
01
15
48
0
+
×
02
15
49
0
+
×
03
15
50
0
+
×
04
15
51
0
+
×
05
15
52
0
+
×
06
15
53
0
+
×
07
15
54
0
+
×
24
08
15
55
0
+
×
09
15
56
0
+
×
10
15
57
0
+
×
11
15
58
0
+
×
12
15
59
0
+
×
13
15
60
0
+
×
14
15
61
0
+
×
25
15
15
62
0
+
×
16
15
63
0
+
×
17
15
64
0
+
×
18
15
65
0
+
×
19
15
66
0
Dragon Boat Festival
+
×
20
15
67
0
Dragon Boat Festival
+
×
21
15
68
0
Dragon Boat Festival
+
×
26
22
15
69
0
+
×
23
15
70
0
+
×
24
15
71
0
+
×
25
15
72
0
+
×
26
15
73
0
+
×
27
15
74
0
+
×
28
15
75
0
+
×
27
29
15
76
0
+
×
30
15
77
0
+
×
28
July 2026
week
Mon
Tue
Wed
Thu
Fri
Sat
Sun
27
01
15
78
0
+
×
02
15
79
0
+
×
03
15
80
0
+
×
04
15
81
0
+
×
05
15
82
0
+
×
28
06
15
83
0
+
×
07
15
84
0
+
×
08
15
85
0
+
×
09
15
86
0
+
×
10
15
87
0
+
×
11
15
88
0
+
×
12
15
89
0
+
×
29
13
15
90
0
+
×
14
15
91
0
+
×
15
15
92
0
+
×
16
15
93
0
+
×
17
15
94
0
+
×
18
15
95
0
+
×
19
15
96
0
+
×
30
20
15
97
0
+
×
21
15
98
0
+
×
22
15
99
0
+
×
23
15
100
0
+
×
24
15
101
0
+
×
25
15
102
0
+
×
26
15
103
0
+
×
31
27
15
104
0
+
×
28
15
105
0
+
×
29
15
106
0
+
×
30
15
107
0
+
×
31
15
108
0
+
×
32
 
August 2026
week
Mon
Tue
Wed
Thu
Fri
Sat
Sun
31
01
15
109
0
+
×
02
15
110
0
+
×
32
03
15
111
0
+
×
04
15
112
0
+
×
05
15
113
0
+
×
06
15
114
0
+
×
07
15
115
0
+
×
08
15
116
0
+
×
09
15
117
0
+
×
33
10
15
118
0
+
×
11
15
119
0
+
×
12
15
120
0
+
×
13
15
121
0
+
×
14
15
122
0
+
×
15
15
123
0
+
×
16
15
124
0
+
×
34
17
15
125
0
+
×
18
15
126
0
+
×
19
15
127
0
+
×
20
15
128
0
+
×
21
15
129
0
+
×
22
15
130
0
+
×
23
15
131
0
+
×
35
24
15
132
0
+
×
25
15
133
0
+
×
26
15
134
0
+
×
27
15
135
0
+
×
28
15
136
0
+
×
29
15
137
0
+
×
30
15
138
0
+
×
36
31
15
139
0
+
×
September 2026
week
Mon
Tue
Wed
Thu
Fri
Sat
Sun
36
01
15
140
0
+
×
02
15
141
0
+
×
03
15
142
0
+
×
04
15
143
0
+
×
05
15
144
0
+
×
06
15
145
0
+
×
37
07
15
146
0
+
×
08
15
147
0
+
×
09
15
148
0
+
×
10
15
149
0
+
×
11
15
150
0
+
×
12
15
151
0
+
×
13
15
152
0
+
×
38
14
15
153
0
+
×
15
15
154
0
+
×
16
15
155
0
+
×
17
15
156
0
+
×
18
15
157
0
+
×
19
15
158
0
+
×
20
15
159
0
+
×
39
21
15
160
0
+
×
22
15
161
0
+
×
23
15
162
0
+
×
24
15
163
0
+
×
25
15
164
0
Mid-Autumn Festival
+
×
26
15
165
0
Mid-Autumn Festival
+
×
27
15
166
0
Mid-Autumn Festival
+
×
40
28
15
167
0
+
×
29
15
168
0
+
×
30
15
169
0
+
×
41
October 2026
week
Mon
Tue
Wed
Thu
Fri
Sat
Sun
40
01
15
170
0
National Day
+
×
02
15
171
0
National Day
+
×
03
15
172
0
National Day
+
×
04
15
173
0
National Day
+
×
41
05
15
174
0
National Day
+
×
06
15
175
0
National Day
+
×
07
15
176
0
National Day
+
×
08
15
177
0
+
×
09
15
178
0
+
×
10
15
179
0
+
×
11
15
180
0
+
×
42
12
15
181
0
+
×
13
15
182
0
+
×
14
15
183
0
+
×
15
15
184
0
+
×
16
15
185
0
+
×
17
15
186
0
+
×
18
15
187
0
+
×
43
19
15
188
0
+
×
20
15
189
0
+
×
21
15
190
0
+
×
22
15
191
0
+
×
23
15
192
0
+
×
24
15
193
0
+
×
25
15
194
0
+
×
44
26
15
195
0
+
×
27
15
196
0
+
×
28
15
197
0
+
×
29
15
198
0
+
×
30
15
199
0
+
×
31
15
200
0
+
×
45
November 2026
week
Mon
Tue
Wed
Thu
Fri
Sat
Sun
44
01
15
201
0
+
×
45
02
15
202
0
+
×
03
15
203
0
+
×
04
15
204
0
+
×
05
15
205
0
+
×
06
15
206
0
+
×
07
15
207
0
+
×
08
15
208
0
+
×
46
09
15
209
0
+
×
10
15
210
0
+
×
11
15
211
0
+
×
12
15
212
0
+
×
13
15
213
0
+
×
14
15
214
0
+
×
15
15
215
0
+
×
47
16
15
216
0
+
×
17
15
217
0
+
×
18
15
218
0
+
×
19
15
219
0
+
×
20
15
220
0
+
×
21
15
221
0
+
×
22
15
222
0
+
×
48
23
15
223
0
+
×
24
15
224
0
+
×
25
15
225
0
+
×
26
15
226
0
+
×
27
15
227
0
+
×
28
15
228
0
+
×
29
15
229
0
+
×
49
30
15
230
0
+
×
 
December 2026
week
Mon
Tue
Wed
Thu
Fri
Sat
Sun
49
01
15
231
0
+
×
02
15
232
0
+
×
03
15
233
0
+
×
04
15
234
0
+
×
05
15
235
0
+
×
06
15
236
0
+
×
50
07
15
237
0
+
×
08
15
238
0
+
×
09
15
239
0
+
×
10
15
240
0
+
×
11
15
241
0
+
×
12
15
242
0
+
×
13
15
243
0
+
×
51
14
15
244
0
+
×
15
15
245
0
+
×
16
15
246
0
+
×
17
15
247
0
+
×
18
15
248
0
+
×
19
15
249
0
+
×
20
15
250
0
+
×
52
21
15
251
0
+
×
22
15
252
0
+
×
23
15
253
0
+
×
24
15
254
0
+
×
25
15
255
0
+
×
26
15
256
0
+
×
27
15
257
0
+
×
53
28
15
258
0
+
×
29
15
259
0
+
×
30
15
260
0
+
×
31
15
261
0
+
×
01
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