Connect!
Export
Teams
Todo
Birthdays
Holidays optimizer
New version 2026
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
Make
every
day
count
..in South Korea

Warning: Undefined variable $fete in /home/tcpcatch/www/south-korea/fond.php on line 676

Warning: Undefined variable $yes in /home/tcpcatch/www/south-korea/fond.php on line 678

Warning: Undefined variable $ww in /home/tcpcatch/www/south-korea/fond.php on line 679

Warning: Undefined variable $jour_de_lannee in /home/tcpcatch/www/south-korea/fond.php on line 680

Warning: Undefined variable $jour_dans_annee in /home/tcpcatch/www/south-korea/fond.php on line 680

Warning: Undefined variable $jour_ouvre in /home/tcpcatch/www/south-korea/fond.php on line 681

Warning: Undefined variable $jour_ouvre_dans_annee in /home/tcpcatch/www/south-korea/fond.php on line 681
Today, Saturday, 10 January, 2026

Working day :
Week : / 52
Day of the year : /
Working day of the year : /
Time (Asia/Seoul) : 01:36

Working days

EN | KO ▼
Employee  ▼
Chile
Schweiz
South Africa
New Zealand
Israel
Sweden
Denmark
Norway
Finland
Turkey
Portugal
Netherlands
Belgique
Monaco
Greece
Luxembourg
Canada
Working days world map
USA
China
Japan
Australia
Russia
Ukraine
India
Deutschland
Poland
Österreich
Brasil
France
United Kingdom & Ireland
México
Colombia
Venezuela
Italia
España
Argentina
...
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
Description
work hours
Work hours
/day
▼
Teleworking
wages
Wages
$
▼
Save Save
Delete Delete
Copy Copy
Paste Paste
▼
×







Profile : Profile 1
(Id: - Employee)

Share
My purchases
Sign out
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 
How many vacation blocks?   (    or )        
Each vacation should be at least 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 ()
January 2026
week
Mon
Tue
Wed
Thu
Fri
Sat
Sun
01
02
09
15
0
0
+
×
10
15
1
0
+
×
11
15
2
0
+
×
03
12
15
3
0
+
×
13
15
4
0
+
×
14
15
5
0
+
×
15
15
6
0
+
×
16
15
7
0
+
×
17
15
8
0
+
×
18
15
9
0
+
×
04
19
15
10
0
+
×
20
15
11
0
+
×
21
15
12
0
+
×
22
15
13
0
+
×
23
15
14
0
+
×
24
15
15
0
+
×
25
15
16
0
+
×
05
26
15
17
0
+
×
27
15
18
0
+
×
28
15
19
0
+
×
29
15
20
0
+
×
30
15
21
0
+
×
31
15
22
0
+
×
06
February 2026
week
Mon
Tue
Wed
Thu
Fri
Sat
Sun
05
01
15
23
0
+
×
06
02
15
24
0
+
×
03
15
25
0
+
×
04
15
26
0
+
×
05
15
27
0
+
×
06
15
28
0
+
×
07
15
29
0
+
×
08
15
30
0
+
×
07
09
15
31
0
+
×
10
15
32
0
+
×
11
15
33
0
+
×
12
15
34
0
+
×
13
15
35
0
+
×
14
15
36
0
+
×
15
15
37
0
+
×
08
16
15
38
0
Seollal
+
×
17
15
39
0
Seollal
+
×
18
15
40
0
Seollal
+
×
19
15
41
0
+
×
20
15
42
0
+
×
21
15
43
0
+
×
22
15
44
0
+
×
09
23
15
45
0
+
×
24
15
46
0
+
×
25
15
47
0
+
×
26
15
48
0
+
×
27
15
49
0
+
×
28
15
50
0
+
×
10
March 2026
week
Mon
Tue
Wed
Thu
Fri
Sat
Sun
09
01
15
51
0
Samil Day
+
×
10
02
15
52
0
Samil Day
+
×
03
15
53
0
+
×
04
15
54
0
+
×
05
15
55
0
+
×
06
15
56
0
+
×
07
15
57
0
+
×
08
15
58
0
+
×
11
09
15
59
0
+
×
10
15
60
0
+
×
11
15
61
0
+
×
12
15
62
0
+
×
13
15
63
0
+
×
14
15
64
0
+
×
15
15
65
0
+
×
12
16
15
66
0
+
×
17
15
67
0
+
×
18
15
68
0
+
×
19
15
69
0
+
×
20
15
70
0
+
×
21
15
71
0
+
×
22
15
72
0
+
×
13
23
15
73
0
+
×
24
15
74
0
+
×
25
15
75
0
+
×
26
15
76
0
+
×
27
15
77
0
+
×
28
15
78
0
+
×
29
15
79
0
+
×
14
30
15
80
0
+
×
31
15
81
0
+
×
April 2026
week
Mon
Tue
Wed
Thu
Fri
Sat
Sun
14
01
15
82
0
+
×
02
15
83
0
+
×
03
15
84
0
+
×
04
15
85
0
+
×
05
15
86
0
+
×
15
06
15
87
0
+
×
07
15
88
0
+
×
08
15
89
0
+
×
09
15
90
0
+
×
10
15
91
0
+
×
11
15
92
0
+
×
12
15
93
0
+
×
16
13
15
94
0
+
×
14
15
95
0
+
×
15
15
96
0
+
×
16
15
97
0
+
×
17
15
98
0
+
×
18
15
99
0
+
×
19
15
100
0
+
×
17
20
15
101
0
+
×
21
15
102
0
+
×
22
15
103
0
+
×
23
15
104
0
+
×
24
15
105
0
+
×
25
15
106
0
+
×
26
15
107
0
+
×
18
27
15
108
0
+
×
28
15
109
0
+
×
29
15
110
0
+
×
30
15
111
0
+
×
19
 
May 2026
week
Mon
Tue
Wed
Thu
Fri
Sat
Sun
18
01
15
112
0
+
×
02
15
113
0
+
×
03
15
114
0
+
×
19
04
15
115
0
+
×
05
15
116
0
Children's Day
+
×
06
15
117
0
+
×
07
15
118
0
+
×
08
15
119
0
+
×
09
15
120
0
+
×
10
15
121
0
+
×
20
11
15
122
0
+
×
12
15
123
0
+
×
13
15
124
0
+
×
14
15
125
0
+
×
15
15
126
0
+
×
16
15
127
0
+
×
17
15
128
0
+
×
21
18
15
129
0
+
×
19
15
130
0
+
×
20
15
131
0
+
×
21
15
132
0
+
×
22
15
133
0
+
×
23
15
134
0
+
×
24
15
135
0
Buddha's Birthday
+
×
22
25
15
136
0
Buddha's Birthday
+
×
26
15
137
0
+
×
27
15
138
0
+
×
28
15
139
0
+
×
29
15
140
0
+
×
30
15
141
0
+
×
31
15
142
0
+
×
23
June 2026
week
Mon
Tue
Wed
Thu
Fri
Sat
Sun
23
01
15
143
0
+
×
02
15
144
0
+
×
03
15
145
0
+
×
04
15
146
0
+
×
05
15
147
0
+
×
06
15
148
0
Memorial Day
+
×
07
15
149
0
+
×
24
08
15
150
0
+
×
09
15
151
0
+
×
10
15
152
0
+
×
11
15
153
0
+
×
12
15
154
0
+
×
13
15
155
0
+
×
14
15
156
0
+
×
25
15
15
157
0
+
×
16
15
158
0
+
×
17
15
159
0
+
×
18
15
160
0
+
×
19
15
161
0
+
×
20
15
162
0
+
×
21
15
163
0
+
×
26
22
15
164
0
+
×
23
15
165
0
+
×
24
15
166
0
+
×
25
15
167
0
+
×
26
15
168
0
+
×
27
15
169
0
+
×
28
15
170
0
+
×
27
29
15
171
0
+
×
30
15
172
0
+
×
28
July 2026
week
Mon
Tue
Wed
Thu
Fri
Sat
Sun
27
01
15
173
0
+
×
02
15
174
0
+
×
03
15
175
0
+
×
04
15
176
0
+
×
05
15
177
0
+
×
28
06
15
178
0
+
×
07
15
179
0
+
×
08
15
180
0
+
×
09
15
181
0
+
×
10
15
182
0
+
×
11
15
183
0
+
×
12
15
184
0
+
×
29
13
15
185
0
+
×
14
15
186
0
+
×
15
15
187
0
+
×
16
15
188
0
+
×
17
15
189
0
+
×
18
15
190
0
+
×
19
15
191
0
+
×
30
20
15
192
0
+
×
21
15
193
0
+
×
22
15
194
0
+
×
23
15
195
0
+
×
24
15
196
0
+
×
25
15
197
0
+
×
26
15
198
0
+
×
31
27
15
199
0
+
×
28
15
200
0
+
×
29
15
201
0
+
×
30
15
202
0
+
×
31
15
203
0
+
×
32
August 2026
week
Mon
Tue
Wed
Thu
Fri
Sat
Sun
31
01
15
204
0
+
×
02
15
205
0
+
×
32
03
15
206
0
+
×
04
15
207
0
+
×
05
15
208
0
+
×
06
15
209
0
+
×
07
15
210
0
+
×
08
15
211
0
+
×
09
15
212
0
+
×
33
10
15
213
0
+
×
11
15
214
0
+
×
12
15
215
0
+
×
13
15
216
0
+
×
14
15
217
0
+
×
15
15
218
0
Liberation Day
+
×
16
15
219
0
+
×
34
17
15
220
0
Liberation Day
+
×
18
15
221
0
+
×
19
15
222
0
+
×
20
15
223
0
+
×
21
15
224
0
+
×
22
15
225
0
+
×
23
15
226
0
+
×
35
24
15
227
0
+
×
25
15
228
0
+
×
26
15
229
0
+
×
27
15
230
0
+
×
28
15
231
0
+
×
29
15
232
0
+
×
30
15
233
0
+
×
36
31
15
234
0
+
×
 
September 2026
week
Mon
Tue
Wed
Thu
Fri
Sat
Sun
36
01
15
235
0
+
×
02
15
236
0
+
×
03
15
237
0
+
×
04
15
238
0
+
×
05
15
239
0
+
×
06
15
240
0
+
×
37
07
15
241
0
+
×
08
15
242
0
+
×
09
15
243
0
+
×
10
15
244
0
+
×
11
15
245
0
+
×
12
15
246
0
+
×
13
15
247
0
+
×
38
14
15
248
0
+
×
15
15
249
0
+
×
16
15
250
0
+
×
17
15
251
0
+
×
18
15
252
0
+
×
19
15
253
0
+
×
20
15
254
0
+
×
39
21
15
255
0
+
×
22
15
256
0
+
×
23
15
257
0
+
×
24
15
258
0
Chuseok
+
×
25
15
259
0
Chuseok
+
×
26
15
260
0
Chuseok
+
×
27
15
261
0
+
×
40
28
15
262
0
+
×
29
15
263
0
+
×
30
15
264
0
+
×
41
October 2026
week
Mon
Tue
Wed
Thu
Fri
Sat
Sun
40
01
15
265
0
+
×
02
15
266
0
+
×
03
15
267
0
National Foundation Day
+
×
04
15
268
0
+
×
41
05
15
269
0
National Foundation Day
+
×
06
15
270
0
+
×
07
15
271
0
+
×
08
15
272
0
+
×
09
15
273
0
Hangeul Day
+
×
10
15
274
0
+
×
11
15
275
0
+
×
42
12
15
276
0
+
×
13
15
277
0
+
×
14
15
278
0
+
×
15
15
279
0
+
×
16
15
280
0
+
×
17
15
281
0
+
×
18
15
282
0
+
×
43
19
15
283
0
+
×
20
15
284
0
+
×
21
15
285
0
+
×
22
15
286
0
+
×
23
15
287
0
+
×
24
15
288
0
+
×
25
15
289
0
+
×
44
26
15
290
0
+
×
27
15
291
0
+
×
28
15
292
0
+
×
29
15
293
0
+
×
30
15
294
0
+
×
31
15
295
0
+
×
45
November 2026
week
Mon
Tue
Wed
Thu
Fri
Sat
Sun
44
01
15
296
0
+
×
45
02
15
297
0
+
×
03
15
298
0
+
×
04
15
299
0
+
×
05
15
300
0
+
×
06
15
301
0
+
×
07
15
302
0
+
×
08
15
303
0
+
×
46
09
15
304
0
+
×
10
15
305
0
+
×
11
15
306
0
+
×
12
15
307
0
+
×
13
15
308
0
+
×
14
15
309
0
+
×
15
15
310
0
+
×
47
16
15
311
0
+
×
17
15
312
0
+
×
18
15
313
0
+
×
19
15
314
0
+
×
20
15
315
0
+
×
21
15
316
0
+
×
22
15
317
0
+
×
48
23
15
318
0
+
×
24
15
319
0
+
×
25
15
320
0
+
×
26
15
321
0
+
×
27
15
322
0
+
×
28
15
323
0
+
×
29
15
324
0
+
×
49
30
15
325
0
+
×
December 2026
week
Mon
Tue
Wed
Thu
Fri
Sat
Sun
49
01
15
326
0
+
×
02
15
327
0
+
×
03
15
328
0
+
×
04
15
329
0
+
×
05
15
330
0
+
×
06
15
331
0
+
×
50
07
15
332
0
+
×
08
15
333
0
+
×
09
15
334
0
+
×
10
15
335
0
+
×
11
15
336
0
+
×
12
15
337
0
+
×
13
15
338
0
+
×
51
14
15
339
0
+
×
15
15
340
0
+
×
16
15
341
0
+
×
17
15
342
0
+
×
18
15
343
0
+
×
19
15
344
0
+
×
20
15
345
0
+
×
52
21
15
346
0
+
×
22
15
347
0
+
×
23
15
348
0
+
×
24
15
349
0
+
×
25
15
350
0
Christmas Day
+
×
26
15
351
0
+
×
27
15
352
0
+
×
53
28
15
353
0
+
×
29
15
354
0
+
×
30
15
355
0
+
×
31
15
356
0
+
×
01
 
January 2027
week
Mon
Tue
Wed
Thu
Fri
Sat
Sun
53
01
15
357
0
New Year's Day
+
×
02
15
358
0
+
×
03
15
359
0
+
×
01
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