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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.
Send

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..in Australia
| Northern Territory
Today, friday, 1 august, 2025

Working day : yes
Week : 31 / 52
Day of the year : 213 / 365
Working day of the year : 146 / 251
Time (UTC +9.5) : 07:53 am

Working days

JI | ES 
dss
Colombia
Venezuela
Russia
Ukraine
Israel
Sweden
Denmark
Norway
Finland
Turkey
Portugal
Netherlands
Belgique
Monaco
Greece
Luxembourg
Working days world map
USA
Japan
New Zealand
United Kingdom & Ireland
Brasil
India
China
Canada
France
Deutschland
Poland
Österreich
South Africa
Italia
España
Argentina
Chile
Schweiz
México
...
xxxx
From to
days :
working days :
week-end days :
custom dates :
public holidays :
Define a custom period
×
From:
Morning
Afternoon
to:
Morning
Afternoon
Reminder
Reminder
make it periodic
Make it periodic
Description
working hours
Working hours
/day
Teleworking
salary
Salary
$
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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 ()
July 2025
week
mon
tue
wed
thu
fri
sat
sun
27
28
29
30
31
31
15
0
0
+
×
32
August 2025
week
mon
tue
wed
thu
fri
sat
sun
31
01
15
1
0
+
×
02
15
2
0
+
×
03
15
3
0
+
×
32
04
15
4
0
Picnic Day
+
×
05
15
5
0
+
×
06
15
6
0
+
×
07
15
7
0
+
×
08
15
8
0
+
×
09
15
9
0
+
×
10
15
10
0
+
×
33
11
15
11
0
+
×
12
15
12
0
+
×
13
15
13
0
+
×
14
15
14
0
+
×
15
15
15
0
+
×
16
15
16
0
+
×
17
15
17
0
+
×
34
18
15
18
0
+
×
19
15
19
0
+
×
20
15
20
0
+
×
21
15
21
0
+
×
22
15
22
0
+
×
23
15
23
0
+
×
24
15
24
0
+
×
35
25
15
25
0
+
×
26
15
26
0
+
×
27
15
27
0
+
×
28
15
28
0
+
×
29
15
29
0
+
×
30
15
30
0
+
×
31
15
31
0
+
×
36
September 2025
week
mon
tue
wed
thu
fri
sat
sun
36
01
15
32
0
+
×
02
15
33
0
+
×
03
15
34
0
+
×
04
15
35
0
+
×
05
15
36
0
+
×
06
15
37
0
+
×
07
15
38
0
+
×
37
08
15
39
0
+
×
09
15
40
0
+
×
10
15
41
0
+
×
11
15
42
0
+
×
12
15
43
0
+
×
13
15
44
0
+
×
14
15
45
0
+
×
38
15
15
46
0
+
×
16
15
47
0
+
×
17
15
48
0
+
×
18
15
49
0
+
×
19
15
50
0
+
×
20
15
51
0
+
×
21
15
52
0
+
×
39
22
15
53
0
+
×
23
15
54
0
+
×
24
15
55
0
+
×
25
15
56
0
+
×
26
15
57
0
+
×
27
15
58
0
+
×
28
15
59
0
+
×
40
29
15
60
0
+
×
30
15
61
0
+
×
41
October 2025
week
mon
tue
wed
thu
fri
sat
sun
40
01
15
62
0
+
×
02
15
63
0
+
×
03
15
64
0
+
×
04
15
65
0
+
×
05
15
66
0
+
×
41
06
15
67
0
+
×
07
15
68
0
+
×
08
15
69
0
+
×
09
15
70
0
+
×
10
15
71
0
+
×
11
15
72
0
+
×
12
15
73
0
+
×
42
13
15
74
0
+
×
14
15
75
0
+
×
15
15
76
0
+
×
16
15
77
0
+
×
17
15
78
0
+
×
18
15
79
0
+
×
19
15
80
0
+
×
43
20
15
81
0
+
×
21
15
82
0
+
×
22
15
83
0
+
×
23
15
84
0
+
×
24
15
85
0
+
×
25
15
86
0
+
×
26
15
87
0
+
×
44
27
15
88
0
+
×
28
15
89
0
+
×
29
15
90
0
+
×
30
15
91
0
+
×
31
15
92
0
+
×
45
 
November 2025
week
mon
tue
wed
thu
fri
sat
sun
44
01
15
93
0
+
×
02
15
94
0
+
×
45
03
15
95
0
+
×
04
15
96
0
+
×
05
15
97
0
+
×
06
15
98
0
+
×
07
15
99
0
+
×
08
15
100
0
+
×
09
15
101
0
+
×
46
10
15
102
0
+
×
11
15
103
0
+
×
12
15
104
0
+
×
13
15
105
0
+
×
14
15
106
0
+
×
15
15
107
0
+
×
16
15
108
0
+
×
47
17
15
109
0
+
×
18
15
110
0
+
×
19
15
111
0
+
×
20
15
112
0
+
×
21
15
113
0
+
×
22
15
114
0
+
×
23
15
115
0
+
×
48
24
15
116
0
+
×
25
15
117
0
+
×
26
15
118
0
+
×
27
15
119
0
+
×
28
15
120
0
+
×
29
15
121
0
+
×
30
15
122
0
+
×
49
December 2025
week
mon
tue
wed
thu
fri
sat
sun
49
01
15
123
0
+
×
02
15
124
0
+
×
03
15
125
0
+
×
04
15
126
0
+
×
05
15
127
0
+
×
06
15
128
0
+
×
07
15
129
0
+
×
50
08
15
130
0
+
×
09
15
131
0
+
×
10
15
132
0
+
×
11
15
133
0
+
×
12
15
134
0
+
×
13
15
135
0
+
×
14
15
136
0
+
×
51
15
15
137
0
+
×
16
15
138
0
+
×
17
15
139
0
+
×
18
15
140
0
+
×
19
15
141
0
+
×
20
15
142
0
+
×
21
15
143
0
+
×
52
22
15
144
0
+
×
23
15
145
0
+
×
24
15
146
0
+
×
25
15
147
0
Christmas Day
+
×
26
15
148
0
Boxing Day
+
×
27
15
149
0
+
×
28
15
150
0
+
×
01
29
15
151
0
+
×
30
15
152
0
+
×
31
15
153
0
+
×
02
January 2026
week
mon
tue
wed
thu
fri
sat
sun
01
01
15
154
0
New Year's Day
+
×
02
03
04
05
06
Public holidays
Week-end days
Days to take
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