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 Russia

Working days

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Israel
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Belgique
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Colombia
Venezuela
Argentina
Chile
Working days world map
China
Ukraine
USA
Belarus
Denmark
Norway
Finland
Turkey
Deutschland
Poland
Österreich
South Korea
France
United Kingdom & Ireland
Brasil
India
Japan
Italia
España
...
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
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/day
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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 
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 ()
September 2026
week
Mon
Tue
Wed
Thu
Fri
Sat
Sun
36
37
38
39
40
29
15
0
0
+
×
30
15
1
0
+
×
41
October 2026
week
Mon
Tue
Wed
Thu
Fri
Sat
Sun
40
01
15
2
0
+
×
02
15
3
0
+
×
03
15
4
0
+
×
04
15
5
0
+
×
41
05
15
6
0
+
×
06
15
7
0
+
×
07
15
8
0
+
×
08
15
9
0
+
×
09
15
10
0
+
×
10
15
11
0
+
×
11
15
12
0
+
×
42
12
15
13
0
+
×
13
15
14
0
+
×
14
15
15
0
+
×
15
15
16
0
+
×
16
15
17
0
+
×
17
15
18
0
+
×
18
15
19
0
+
×
43
19
15
20
0
+
×
20
15
21
0
+
×
21
15
22
0
+
×
22
15
23
0
+
×
23
15
24
0
+
×
24
15
25
0
+
×
25
15
26
0
+
×
44
26
15
27
0
+
×
27
15
28
0
+
×
28
15
29
0
+
×
29
15
30
0
+
×
30
15
31
0
+
×
31
15
32
0
+
×
45
November 2026
week
Mon
Tue
Wed
Thu
Fri
Sat
Sun
44
01
15
33
0
+
×
45
02
15
34
0
+
×
03
15
35
0
+
×
04
15
36
0
Unity Day
+
×
05
15
37
0
+
×
06
15
38
0
+
×
07
15
39
0
+
×
08
15
40
0
+
×
46
09
15
41
0
+
×
10
15
42
0
+
×
11
15
43
0
+
×
12
15
44
0
+
×
13
15
45
0
+
×
14
15
46
0
+
×
15
15
47
0
+
×
47
16
15
48
0
+
×
17
15
49
0
+
×
18
15
50
0
+
×
19
15
51
0
+
×
20
15
52
0
+
×
21
15
53
0
+
×
22
15
54
0
+
×
48
23
15
55
0
+
×
24
15
56
0
+
×
25
15
57
0
+
×
26
15
58
0
+
×
27
15
59
0
+
×
28
15
60
0
+
×
29
15
61
0
+
×
49
30
15
62
0
+
×
December 2026
week
Mon
Tue
Wed
Thu
Fri
Sat
Sun
49
01
15
63
0
+
×
02
15
64
0
+
×
03
15
65
0
+
×
04
15
66
0
+
×
05
15
67
0
+
×
06
15
68
0
+
×
50
07
15
69
0
+
×
08
15
70
0
+
×
09
15
71
0
+
×
10
15
72
0
+
×
11
15
73
0
+
×
12
15
74
0
+
×
13
15
75
0
+
×
51
14
15
76
0
+
×
15
15
77
0
+
×
16
15
78
0
+
×
17
15
79
0
+
×
18
15
80
0
+
×
19
15
81
0
+
×
20
15
82
0
+
×
52
21
15
83
0
+
×
22
15
84
0
+
×
23
15
85
0
+
×
24
15
86
0
+
×
25
15
87
0
+
×
26
15
88
0
+
×
27
15
89
0
+
×
53
28
15
90
0
+
×
29
15
91
0
+
×
30
15
92
0
+
×
31
15
93
0
Transferred day off
+
×
01
 
January 2027
week
Mon
Tue
Wed
Thu
Fri
Sat
Sun
53
01
15
94
0
New Year Holiday
+
×
02
15
95
0
New Year Holiday
+
×
03
15
96
0
New Year Holiday
+
×
01
04
15
97
0
New Year Holiday
+
×
05
15
98
0
New Year Holiday
+
×
06
15
99
0
New Year Holiday
+
×
07
15
100
0
Orthodox Christmas
+
×
08
15
101
0
New Year Holiday
+
×
09
15
102
0
+
×
10
15
103
0
+
×
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