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Birthdays
Holidays optimizer
Define a period
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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.
Send
..in the USA
| Federal holidays
Today, Saturday, June 21, 2025

Working day : no (weekend day)
Week : 25 / 52
Day of the year : 172 / 365
Working day of the year : 118 / 250
Time (UTC -4) : 03:29 am

Working days

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