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Birthdays
Holidays optimizer
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.
Send
..in New Zealand
| Auckland
Today, Thursday, 22 May, 2025

Working day : yes
Week : 21 / 52
Day of the year : 142 / 365
Working day of the year : 95 / 249
Time (UTC +12) : 22:04

Working days

EN | ES ▼
dss
Netherlands
Belgique
México
Colombia
Venezuela
Argentina
Chile
Israel
Turkey
Portugal
Sweden
Denmark
Finland
Monaco
Greece
Luxembourg
Norway
Working days world map
Australia
USA
South Africa
United Kingdom & Ireland
Japan
Brasil
India
China
South Korea
Canada
France
Italia
España
Deutschland
Poland
Österreich
Schweiz
Russia
Ukraine
...
xxxx
From to
days:
working days:
weekend days:
custom dates:
public holidays:
Define a period
×
From:
Morning
Afternoon
to:
Morning
Afternoon
Reminder
Reminder
▼
make it periodic
Make it periodic
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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 ()
May 2025
week
Mon
Tue
Wed
Thu
Fri
Sat
Sun
18
19
20
21
22
15
0
0
+
×
23
15
1
0
+
×
24
15
2
0
+
×
25
15
3
0
+
×
22
26
15
4
0
+
×
27
15
5
0
+
×
28
15
6
0
+
×
29
15
7
0
+
×
30
15
8
0
+
×
31
15
9
0
+
×
23
June 2025
week
Mon
Tue
Wed
Thu
Fri
Sat
Sun
22
01
15
10
0
+
×
23
02
15
11
0
King's Birthday
+
×
03
15
12
0
+
×
04
15
13
0
+
×
05
15
14
0
+
×
06
15
15
0
+
×
07
15
16
0
+
×
08
15
17
0
+
×
24
09
15
18
0
+
×
10
15
19
0
+
×
11
15
20
0
+
×
12
15
21
0
+
×
13
15
22
0
+
×
14
15
23
0
+
×
15
15
24
0
+
×
25
16
15
25
0
+
×
17
15
26
0
+
×
18
15
27
0
+
×
19
15
28
0
+
×
20
15
29
0
Matariki
+
×
21
15
30
0
+
×
22
15
31
0
+
×
26
23
15
32
0
+
×
24
15
33
0
+
×
25
15
34
0
+
×
26
15
35
0
+
×
27
15
36
0
+
×
28
15
37
0
+
×
29
15
38
0
+
×
27
30
15
39
0
+
×
July 2025
week
Mon
Tue
Wed
Thu
Fri
Sat
Sun
27
01
15
40
0
+
×
02
15
41
0
+
×
03
15
42
0
+
×
04
15
43
0
+
×
05
15
44
0
+
×
06
15
45
0
+
×
28
07
15
46
0
+
×
08
15
47
0
+
×
09
15
48
0
+
×
10
15
49
0
+
×
11
15
50
0
+
×
12
15
51
0
+
×
13
15
52
0
+
×
29
14
15
53
0
+
×
15
15
54
0
+
×
16
15
55
0
+
×
17
15
56
0
+
×
18
15
57
0
+
×
19
15
58
0
+
×
20
15
59
0
+
×
30
21
15
60
0
+
×
22
15
61
0
+
×
23
15
62
0
+
×
24
15
63
0
+
×
25
15
64
0
+
×
26
15
65
0
+
×
27
15
66
0
+
×
31
28
15
67
0
+
×
29
15
68
0
+
×
30
15
69
0
+
×
31
15
70
0
+
×
32
August 2025
week
Mon
Tue
Wed
Thu
Fri
Sat
Sun
31
01
15
71
0
+
×
02
15
72
0
+
×
03
15
73
0
+
×
32
04
15
74
0
+
×
05
15
75
0
+
×
06
15
76
0
+
×
07
15
77
0
+
×
08
15
78
0
+
×
09
15
79
0
+
×
10
15
80
0
+
×
33
11
15
81
0
+
×
12
15
82
0
+
×
13
15
83
0
+
×
14
15
84
0
+
×
15
15
85
0
+
×
16
15
86
0
+
×
17
15
87
0
+
×
34
18
15
88
0
+
×
19
15
89
0
+
×
20
15
90
0
+
×
21
15
91
0
+
×
22
15
92
0
+
×
23
15
93
0
+
×
24
15
94
0
+
×
35
25
15
95
0
+
×
26
15
96
0
+
×
27
15
97
0
+
×
28
15
98
0
+
×
29
15
99
0
+
×
30
15
100
0
+
×
31
15
101
0
+
×
36
 
September 2025
week
Mon
Tue
Wed
Thu
Fri
Sat
Sun
36
01
15
102
0
+
×
02
15
103
0
+
×
03
15
104
0
+
×
04
15
105
0
+
×
05
15
106
0
+
×
06
15
107
0
+
×
07
15
108
0
+
×
37
08
15
109
0
+
×
09
15
110
0
+
×
10
15
111
0
+
×
11
15
112
0
+
×
12
15
113
0
+
×
13
15
114
0
+
×
14
15
115
0
+
×
38
15
15
116
0
+
×
16
15
117
0
+
×
17
15
118
0
+
×
18
15
119
0
+
×
19
15
120
0
+
×
20
15
121
0
+
×
21
15
122
0
+
×
39
22
15
123
0
+
×
23
15
124
0
+
×
24
15
125
0
+
×
25
15
126
0
+
×
26
15
127
0
+
×
27
15
128
0
+
×
28
15
129
0
+
×
40
29
15
130
0
+
×
30
15
131
0
+
×
41
October 2025
week
Mon
Tue
Wed
Thu
Fri
Sat
Sun
40
01
15
132
0
+
×
02
15
133
0
+
×
03
15
134
0
+
×
04
15
135
0
+
×
05
15
136
0
+
×
41
06
15
137
0
+
×
07
15
138
0
+
×
08
15
139
0
+
×
09
15
140
0
+
×
10
15
141
0
+
×
11
15
142
0
+
×
12
15
143
0
+
×
42
13
15
144
0
+
×
14
15
145
0
+
×
15
15
146
0
+
×
16
15
147
0
+
×
17
15
148
0
+
×
18
15
149
0
+
×
19
15
150
0
+
×
43
20
15
151
0
+
×
21
15
152
0
+
×
22
15
153
0
+
×
23
15
154
0
+
×
24
15
155
0
+
×
25
15
156
0
+
×
26
15
157
0
+
×
44
27
15
158
0
Labour Day
+
×
28
15
159
0
+
×
29
15
160
0
+
×
30
15
161
0
+
×
31
15
162
0
+
×
45
November 2025
week
Mon
Tue
Wed
Thu
Fri
Sat
Sun
44
01
15
163
0
+
×
02
15
164
0
+
×
45
03
15
165
0
+
×
04
15
166
0
+
×
05
15
167
0
+
×
06
15
168
0
+
×
07
15
169
0
+
×
08
15
170
0
+
×
09
15
171
0
+
×
46
10
15
172
0
+
×
11
15
173
0
+
×
12
15
174
0
+
×
13
15
175
0
+
×
14
15
176
0
+
×
15
15
177
0
+
×
16
15
178
0
+
×
47
17
15
179
0
+
×
18
15
180
0
+
×
19
15
181
0
+
×
20
15
182
0
+
×
21
15
183
0
+
×
22
15
184
0
+
×
23
15
185
0
+
×
48
24
15
186
0
+
×
25
15
187
0
+
×
26
15
188
0
+
×
27
15
189
0
+
×
28
15
190
0
+
×
29
15
191
0
+
×
30
15
192
0
+
×
49
December 2025
week
Mon
Tue
Wed
Thu
Fri
Sat
Sun
49
01
15
193
0
+
×
02
15
194
0
+
×
03
15
195
0
+
×
04
15
196
0
+
×
05
15
197
0
+
×
06
15
198
0
+
×
07
15
199
0
+
×
50
08
15
200
0
+
×
09
15
201
0
+
×
10
15
202
0
+
×
11
15
203
0
+
×
12
15
204
0
+
×
13
15
205
0
+
×
14
15
206
0
+
×
51
15
15
207
0
+
×
16
15
208
0
+
×
17
15
209
0
+
×
18
15
210
0
+
×
19
15
211
0
+
×
20
15
212
0
+
×
21
15
213
0
+
×
52
22
15
214
0
+
×
23
15
215
0
+
×
24
15
216
0
+
×
25
15
217
0
Christmas Day
+
×
26
15
218
0
Boxing Day
+
×
27
15
219
0
+
×
28
15
220
0
+
×
01
29
15
221
0
+
×
30
15
222
0
+
×
31
15
223
0
+
×
02
 
January 2026
week
Mon
Tue
Wed
Thu
Fri
Sat
Sun
01
01
15
224
0
New Year's Day
+
×
02
15
225
0
2 january
+
×
03
15
226
0
+
×
04
15
227
0
+
×
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