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Calendar
School holidays :
The Holidays      ptimizer
It tells you when to take your days off to maximize the length of your vacation
Calendar
 
Language
 ▶
Optimize it
I would like to take
days off
from  
1 2 3 4 5 6 7 9 10 11 12
 to 
1 2 3 4 5 6 7 9 10 11 12
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 2019
week
mon
tue
wed
thu
fri
sat
sun
27
28
12
15
0
0
+
×
13
15
1
0
+
×
14
15
2
0
+
×
29
15
15
3
0
+
×
16
15
4
0
+
×
17
15
5
0
+
×
18
15
6
0
+
×
19
15
7
0
+
×
20
15
8
0
+
×
21
15
9
0
+
×
30
22
15
10
0
+
×
23
15
11
0
+
×
24
15
12
0
+
×
25
15
13
0
+
×
26
15
14
0
+
×
27
15
15
0
+
×
28
15
16
0
+
×
31
29
15
17
0
+
×
30
15
18
0
+
×
31
15
19
0
+
×
32
August 2019
week
mon
tue
wed
thu
fri
sat
sun
31
01
15
20
0
+
×
02
15
21
0
+
×
03
15
22
0
+
×
04
15
23
0
+
×
32
05
15
24
0
+
×
06
15
25
0
+
×
07
15
26
0
+
×
08
15
27
0
+
×
09
15
28
0
+
×
10
15
29
0
+
×
11
15
30
0
+
×
33
12
15
31
0
+
×
13
15
32
0
+
×
14
15
33
0
+
×
15
15
34
0
+
×
16
15
35
0
+
×
17
15
36
0
+
×
18
15
37
0
+
×
34
19
15
38
0
+
×
20
15
39
0
+
×
21
15
40
0
+
×
22
15
41
0
+
×
23
15
42
0
+
×
24
15
43
0
+
×
25
15
44
0
+
×
35
26
15
45
0
+
×
27
15
46
0
+
×
28
15
47
0
+
×
29
15
48
0
+
×
30
15
49
0
+
×
31
15
50
0
+
×
36
September 2019
week
mon
tue
wed
thu
fri
sat
sun
35
01
15
51
0
+
×
36
02
15
52
0
Labor 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
+
×
37
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
+
×
38
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
+
×
39
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
+
×
40
30
15
80
0
+
×
October 2019
week
mon
tue
wed
thu
fri
sat
sun
40
01
15
81
0
+
×
02
15
82
0
+
×
03
15
83
0
+
×
04
15
84
0
+
×
05
15
85
0
+
×
06
15
86
0
+
×
41
07
15
87
0
+
×
08
15
88
0
+
×
09
15
89
0
+
×
10
15
90
0
+
×
11
15
91
0
+
×
12
15
92
0
+
×
13
15
93
0
+
×
42
14
15
94
0
+
×
15
15
95
0
+
×
16
15
96
0
+
×
17
15
97
0
+
×
18
15
98
0
+
×
19
15
99
0
+
×
20
15
100
0
+
×
43
21
15
101
0
+
×
22
15
102
0
+
×
23
15
103
0
+
×
24
15
104
0
+
×
25
15
105
0
+
×
26
15
106
0
+
×
27
15
107
0
+
×
44
28
15
108
0
+
×
29
15
109
0
+
×
30
15
110
0
+
×
31
15
111
0
+
×
45
 
November 2019
week
mon
tue
wed
thu
fri
sat
sun
44
01
15
112
0
+
×
02
15
113
0
+
×
03
15
114
0
+
×
45
04
15
115
0
+
×
05
15
116
0
+
×
06
15
117
0
+
×
07
15
118
0
+
×
08
15
119
0
+
×
09
15
120
0
+
×
10
15
121
0
+
×
46
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
+
×
47
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
+
×
48
25
15
136
0
+
×
26
15
137
0
+
×
27
15
138
0
+
×
28
15
139
0
Thanksgiving
+
×
29
15
140
0
+
×
30
15
141
0
+
×
49
December 2019
week
mon
tue
wed
thu
fri
sat
sun
48
01
15
142
0
+
×
49
02
15
143
0
+
×
03
15
144
0
+
×
04
15
145
0
+
×
05
15
146
0
+
×
06
15
147
0
+
×
07
15
148
0
+
×
08
15
149
0
+
×
50
09
15
150
0
+
×
10
15
151
0
+
×
11
15
152
0
+
×
12
15
153
0
+
×
13
15
154
0
+
×
14
15
155
0
+
×
15
15
156
0
+
×
51
16
15
157
0
+
×
17
15
158
0
+
×
18
15
159
0
+
×
19
15
160
0
+
×
20
15
161
0
+
×
21
15
162
0
+
×
22
15
163
0
+
×
52
23
15
164
0
+
×
24
15
165
0
+
×
25
15
166
0
Christmas
+
×
26
15
167
0
+
×
27
15
168
0
+
×
28
15
169
0
+
×
29
15
170
0
+
×
01
30
15
171
0
+
×
31
15
172
0
+
×
January 2020
week
mon
tue
wed
thu
fri
sat
sun
01
01
15
173
0
New Year's Day
+
×
02
15
174
0
+
×
03
15
175
0
+
×
04
15
176
0
+
×
05
15
177
0
+
×
02
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
+
×
03
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
+
×
04
20
15
192
0
Martin Luther King Day
+
×
21
15
193
0
+
×
22
15
194
0
+
×
23
15
195
0
+
×
24
15
196
0
+
×
25
15
197
0
+
×
26
15
198
0
+
×
05
27
15
199
0
+
×
28
15
200
0
+
×
29
15
201
0
+
×
30
15
202
0
+
×
31
15
203
0
+
×
06
February 2020
week
mon
tue
wed
thu
fri
sat
sun
05
01
15
204
0
+
×
02
15
205
0
+
×
06
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
+
×
07
10
15
213
0
+
×
11
15
214
0
+
×
12
15
215
0
+
×
13
15
216
0
+
×
14
15
217
0
+
×
15
15
218
0
+
×
16
15
219
0
+
×
08
17
15
220
0
President's 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
+
×
09
24
15
227
0
+
×
25
15
228
0
+
×
26
15
229
0
+
×
27
15
230
0
+
×
28
15
231
0
+
×
29
15
232
0
+
×
10
March 2020
week
mon
tue
wed
thu
fri
sat
sun
09
01
15
233
0
+
×
10
02
15
234
0
+
×
03
15
235
0
+
×
04
15
236
0
+
×
05
15
237
0
+
×
06
15
238
0
+
×
07
15
239
0
+
×
08
15
240
0
+
×
11
09
15
241
0
+
×
10
15
242
0
+
×
11
15
243
0
+
×
12
15
244
0
+
×
13
15
245
0
+
×
14
15
246
0
+
×
15
15
247
0
+
×
12
16
15
248
0
+
×
17
15
249
0
+
×
18
15
250
0
+
×
19
15
251
0
+
×
20
15
252
0
+
×
21
15
253
0
+
×
22
15
254
0
+
×
13
23
15
255
0
+
×
24
15
256
0
+
×
25
15
257
0
+
×
26
15
258
0
+
×
27
15
259
0
+
×
28
15
260
0
+
×
29
15
261
0
+
×
14
30
15
262
0
+
×
31
15
263
0
+
×
April 2020
week
mon
tue
wed
thu
fri
sat
sun
14
01
15
264
0
+
×
02
15
265
0
+
×
03
15
266
0
+
×
04
15
267
0
+
×
05
15
268
0
+
×
15
06
15
269
0
+
×
07
15
270
0
+
×
08
15
271
0
+
×
09
15
272
0
+
×
10
15
273
0
+
×
11
15
274
0
+
×
12
15
275
0
+
×
16
13
15
276
0
+
×
14
15
277
0
+
×
15
15
278
0
+
×
16
15
279
0
+
×
17
15
280
0
+
×
18
15
281
0
+
×
19
15
282
0
+
×
17
20
15
283
0
+
×
21
15
284
0
+
×
22
15
285
0
+
×
23
15
286
0
+
×
24
15
287
0
+
×
25
15
288
0
+
×
26
15
289
0
+
×
18
27
15
290
0
Confeder. Memorial Day
+
×
28
15
291
0
+
×
29
15
292
0
+
×
30
15
293
0
+
×
19
May 2020
week
mon
tue
wed
thu
fri
sat
sun
18
01
15
294
0
+
×
02
15
295
0
+
×
03
15
296
0
+
×
19
04
15
297
0
+
×
05
15
298
0
+
×
06
15
299
0
+
×
07
15
300
0
+
×
08
15
301
0
+
×
09
15
302
0
+
×
10
15
303
0
+
×
20
11
15
304
0
+
×
12
15
305
0
+
×
13
15
306
0
+
×
14
15
307
0
+
×
15
15
308
0
+
×
16
15
309
0
+
×
17
15
310
0
+
×
21
18
15
311
0
+
×
19
15
312
0
+
×
20
15
313
0
+
×
21
15
314
0
+
×
22
15
315
0
+
×
23
15
316
0
+
×
24
15
317
0
+
×
22
25
15
318
0
Memorial Day
+
×
26
15
319
0
+
×
27
15
320
0
+
×
28
15
321
0
+
×
29
15
322
0
+
×
30
15
323
0
+
×
31
15
324
0
+
×
23
June 2020
week
mon
tue
wed
thu
fri
sat
sun
23
01
15
325
0
+
×
02
15
326
0
+
×
03
15
327
0
+
×
04
15
328
0
+
×
05
15
329
0
+
×
06
15
330
0
+
×
07
15
331
0
+
×
24
08
15
332
0
+
×
09
15
333
0
+
×
10
15
334
0
+
×
11
15
335
0
+
×
12
15
336
0
+
×
13
15
337
0
+
×
14
15
338
0
+
×
25
15
15
339
0
+
×
16
15
340
0
+
×
17
15
341
0
+
×
18
15
342
0
+
×
19
15
343
0
+
×
20
15
344
0
+
×
21
15
345
0
+
×
26
22
15
346
0
+
×
23
15
347
0
+
×
24
15
348
0
+
×
25
15
349
0
+
×
26
15
350
0
+
×
27
15
351
0
+
×
28
15
352
0
+
×
27
29
15
353
0
+
×
30
15
354
0
+
×
28
July 2020
week
mon
tue
wed
thu
fri
sat
sun
27
01
15
355
0
+
×
02
15
356
0
+
×
03
15
357
0
Independence Day Obs.
+
×
04
15
358
0
Independence Day
+
×
05
15
359
0
+
×
28
06
15
360
0
+
×
07
15
361
0
+
×
08
15
362
0
+
×
09
15
363
0
+
×
10
15
364
0
+
×
11
15
365
0
+
×
12
15
366
0
+
×
29
30
31
32
 
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