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Birthdays
Holidays optimizer
Define a custom 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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..in France
| Calendrier civil
Today, friday, 13 june, 2025,
nous fêtons les Antoine de Padoue

Working day : yes
Week : 24 / 52
Day of the year : 164 / 365
Working day of the year : 112 / 251
Time (UTC +01) : 10:47

Working days

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Finland
Israel
Turkey
Poland
Russia
Ukraine
Argentina
Chile
Australia
South Africa
South Korea
New Zealand
Japan
México
Colombia
Venezuela
Working days world map
USA
Deutschland
United Kingdom & Ireland
Italia
España
Brasil
India
China
Belgique
Canada
Schweiz
Monaco
Portugal
Netherlands
Österreich
Greece
Luxembourg
Sweden
Denmark
...
xxxx
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days :
working days :
week-end days :
custom dates :
public holidays :
school holidays:
Define a custom period
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Afternoon
to:
Morning
Afternoon
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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
between
and
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 ()
June 2025
week
mon
tue
wed
thu
fri
sat
sun
22
23
24
13
15
0
0
+
×
14
15
1
0
+
×
15
15
2
0
+
×
25
16
15
3
0
+
×
17
15
4
0
+
×
18
15
5
0
+
×
19
15
6
0
+
×
20
15
7
0
+
×
21
15
8
0
+
×
22
15
9
0
+
×
26
23
15
10
0
+
×
24
15
11
0
+
×
25
15
12
0
+
×
26
15
13
0
+
×
27
15
14
0
+
×
28
15
15
0
+
×
29
15
16
0
+
×
27
30
15
17
0
+
×
July 2025
week
mon
tue
wed
thu
fri
sat
sun
27
01
15
18
0
+
×
02
15
19
0
+
×
03
15
20
0
+
×
04
15
21
0
+
×
05
15
22
0
+
×
06
15
23
0
+
×
28
07
15
24
0
+
×
08
15
25
0
+
×
09
15
26
0
+
×
10
15
27
0
+
×
11
15
28
0
+
×
12
15
29
0
+
×
13
15
30
0
+
×
29
14
15
31
0
Fête Nationale
+
×
15
15
32
0
+
×
16
15
33
0
+
×
17
15
34
0
+
×
18
15
35
0
+
×
19
15
36
0
+
×
20
15
37
0
+
×
30
21
15
38
0
+
×
22
15
39
0
+
×
23
15
40
0
+
×
24
15
41
0
+
×
25
15
42
0
+
×
26
15
43
0
+
×
27
15
44
0
+
×
31
28
15
45
0
+
×
29
15
46
0
+
×
30
15
47
0
+
×
31
15
48
0
+
×
32
August 2025
week
mon
tue
wed
thu
fri
sat
sun
31
01
15
49
0
+
×
02
15
50
0
+
×
03
15
51
0
+
×
32
04
15
52
0
+
×
05
15
53
0
+
×
06
15
54
0
+
×
07
15
55
0
+
×
08
15
56
0
+
×
09
15
57
0
+
×
10
15
58
0
+
×
33
11
15
59
0
+
×
12
15
60
0
+
×
13
15
61
0
+
×
14
15
62
0
+
×
15
15
63
0
Assomption
+
×
16
15
64
0
+
×
17
15
65
0
+
×
34
18
15
66
0
+
×
19
15
67
0
+
×
20
15
68
0
+
×
21
15
69
0
+
×
22
15
70
0
+
×
23
15
71
0
+
×
24
15
72
0
+
×
35
25
15
73
0
+
×
26
15
74
0
+
×
27
15
75
0
+
×
28
15
76
0
+
×
29
15
77
0
+
×
30
15
78
0
+
×
31
15
79
0
+
×
36
September 2025
week
mon
tue
wed
thu
fri
sat
sun
36
01
15
80
0
+
×
02
15
81
0
+
×
03
15
82
0
+
×
04
15
83
0
+
×
05
15
84
0
+
×
06
15
85
0
+
×
07
15
86
0
+
×
37
08
15
87
0
+
×
09
15
88
0
+
×
10
15
89
0
+
×
11
15
90
0
+
×
12
15
91
0
+
×
13
15
92
0
+
×
14
15
93
0
+
×
38
15
15
94
0
+
×
16
15
95
0
+
×
17
15
96
0
+
×
18
15
97
0
+
×
19
15
98
0
+
×
20
15
99
0
+
×
21
15
100
0
+
×
39
22
15
101
0
+
×
23
15
102
0
+
×
24
15
103
0
+
×
25
15
104
0
+
×
26
15
105
0
+
×
27
15
106
0
+
×
28
15
107
0
+
×
40
29
15
108
0
+
×
30
15
109
0
+
×
41
 
October 2025
week
mon
tue
wed
thu
fri
sat
sun
40
01
15
110
0
+
×
02
15
111
0
+
×
03
15
112
0
+
×
04
15
113
0
+
×
05
15
114
0
+
×
41
06
15
115
0
+
×
07
15
116
0
+
×
08
15
117
0
+
×
09
15
118
0
+
×
10
15
119
0
+
×
11
15
120
0
+
×
12
15
121
0
+
×
42
13
15
122
0
+
×
14
15
123
0
+
×
15
15
124
0
+
×
16
15
125
0
+
×
17
15
126
0
+
×
18
15
127
0
+
×
19
15
128
0
+
×
43
20
15
129
0
+
×
21
15
130
0
+
×
22
15
131
0
+
×
23
15
132
0
+
×
24
15
133
0
+
×
25
15
134
0
+
×
26
15
135
0
+
×
44
27
15
136
0
+
×
28
15
137
0
+
×
29
15
138
0
+
×
30
15
139
0
+
×
31
15
140
0
+
×
45
November 2025
week
mon
tue
wed
thu
fri
sat
sun
44
01
15
141
0
Toussaint
+
×
02
15
142
0
+
×
45
03
15
143
0
+
×
04
15
144
0
+
×
05
15
145
0
+
×
06
15
146
0
+
×
07
15
147
0
+
×
08
15
148
0
+
×
09
15
149
0
+
×
46
10
15
150
0
+
×
11
15
151
0
Fête de l'Armistice
+
×
12
15
152
0
+
×
13
15
153
0
+
×
14
15
154
0
+
×
15
15
155
0
+
×
16
15
156
0
+
×
47
17
15
157
0
+
×
18
15
158
0
+
×
19
15
159
0
+
×
20
15
160
0
+
×
21
15
161
0
+
×
22
15
162
0
+
×
23
15
163
0
+
×
48
24
15
164
0
+
×
25
15
165
0
+
×
26
15
166
0
+
×
27
15
167
0
+
×
28
15
168
0
+
×
29
15
169
0
+
×
30
15
170
0
+
×
49
December 2025
week
mon
tue
wed
thu
fri
sat
sun
49
01
15
171
0
+
×
02
15
172
0
+
×
03
15
173
0
+
×
04
15
174
0
+
×
05
15
175
0
+
×
06
15
176
0
+
×
07
15
177
0
+
×
50
08
15
178
0
+
×
09
15
179
0
+
×
10
15
180
0
+
×
11
15
181
0
+
×
12
15
182
0
+
×
13
15
183
0
+
×
14
15
184
0
+
×
51
15
15
185
0
+
×
16
15
186
0
+
×
17
15
187
0
+
×
18
15
188
0
+
×
19
15
189
0
+
×
20
15
190
0
+
×
21
15
191
0
+
×
52
22
15
192
0
+
×
23
15
193
0
+
×
24
15
194
0
+
×
25
15
195
0
Noël
+
×
26
15
196
0
+
×
27
15
197
0
+
×
28
15
198
0
+
×
01
29
15
199
0
+
×
30
15
200
0
+
×
31
15
201
0
+
×
02
January 2026
week
mon
tue
wed
thu
fri
sat
sun
01
01
15
202
0
Jour de l'An
+
×
02
03
04
05
06
Public holidays
Week-end days
Days to take
Holidays
School holidays
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