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Working days
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Weekend days
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Vacations

Working days numbering

Over the period from Monday, 1 January, 1990 to Monday, 31 December, 1990

January 1990
249 working days
Mon
Tue
Wed
Thu
Fri
Sat
Sun
1
21
32
43
54
6
7
85
96
107
118
129
13
14
15
1610
1711
1812
1913
20
21
2214
2315
2416
2517
2618
27
28
2919
3020
3121
Weekend day
Public holiday: 元日
Public holiday: 成人の日
February 1990
249 working days
Mon
Tue
Wed
Thu
Fri
Sat
Sun
122
223
3
4
524
625
726
827
928
10
11
12
1329
1430
1531
1632
17
18
1933
2034
2135
2236
2337
24
25
2638
2739
2840
Weekend day
Public holiday: 建国記念の日
Public holiday: 建国記念の日（振替休日）
March 1990
249 working days
Mon
Tue
Wed
Thu
Fri
Sat
Sun
141
242
3
4
543
644
745
846
947
10
11
1248
1349
1450
1551
1652
17
18
1953
2054
21
2255
2356
24
25
2657
2758
2859
2960
3061
31
Weekend day
Public holiday: 春分の日
April 1990
249 working days
Mon
Tue
Wed
Thu
Fri
Sat
Sun
1
262
363
464
565
666
7
8
967
1068
1169
1270
1371
14
15
1672
1773
1874
1975
2076
21
22
2377
2478
2579
2680
2781
28
29
30
Weekend day
Public holiday: みどりの日
Public holiday: みどりの日（振替休日）
May 1990
249 working days
Mon
Tue
Wed
Thu
Fri
Sat
Sun
182
283
3
4
5
6
784
885
986
1087
1188
12
13
1489
1590
1691
1792
1893
19
20
2194
2295
2396
2497
2598
26
27
2899
29100
30101
31102
Weekend day
Public holiday: 憲法記念日
Public holiday: 国民の休日
Public holiday: こどもの日
June 1990
249 working days
Mon
Tue
Wed
Thu
Fri
Sat
Sun
1103
2
3
4104
5105
6106
7107
8108
9
10
11109
12110
13111
14112
15113
16
17
18114
19115
20116
21117
22118
23
24
25119
26120
27121
28122
29123
30
Weekend day
July 1990
249 working days
Mon
Tue
Wed
Thu
Fri
Sat
Sun
1
2124
3125
4126
5127
6128
7
8
9129
10130
11131
12132
13133
14
15
16134
17135
18136
19137
20138
21
22
23139
24140
25141
26142
27143
28
29
30144
31145
Weekend day
August 1990
249 working days
Mon
Tue
Wed
Thu
Fri
Sat
Sun
1146
2147
3148
4
5
6149
7150
8151
9152
10153
11
12
13154
14155
15156
16157
17158
18
19
20159
21160
22161
23162
24163
25
26
27164
28165
29166
30167
31168
Weekend day
September 1990
249 working days
Mon
Tue
Wed
Thu
Fri
Sat
Sun
1
2
3169
4170
5171
6172
7173
8
9
10174
11175
12176
13177
14178
15
16
17179
18180
19181
20182
21183
22
23
24
25184
26185
27186
28187
29
30
Weekend day
Public holiday: 敬老の日
Public holiday: 秋分の日
Public holiday: 秋分の日（振替休日）
October 1990
249 working days
Mon
Tue
Wed
Thu
Fri
Sat
Sun
1188
2189
3190
4191
5192
6
7
8193
9194
10
11195
12196
13
14
15197
16198
17199
18200
19201
20
21
22202
23203
24204
25205
26206
27
28
29207
30208
31209
Weekend day
Public holiday: 体育の日
November 1990
249 working days
Mon
Tue
Wed
Thu
Fri
Sat
Sun
1210
2211
3
4
5212
6213
7214
8215
9216
10
11
12
13217
14218
15219
16220
17
18
19221
20222
21223
22224
23
24
25
26225
27226
28227
29228
30229
Weekend day
Public holiday: 文化の日
Public holiday: 即位礼正殿の儀
Public holiday: 勤労感謝の日
December 1990
249 working days
Mon
Tue
Wed
Thu
Fri
Sat
Sun
1
2
3230
4231
5232
6233
7234
8
9
10235
11236
12237
13238
14239
15
16
17240
18241
19242
20243
21244
22
23
24
25245
26246
27247
28248
29
30
31249
Weekend day
Public holiday: 天皇誕生日
Public holiday: 天皇誕生日（振替休日）

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Working days in a year:   ‹ 1989 | 1990 | 1991 ›
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