Working days

in Japan | Standard

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THE HOLIDAYS OPTIMIZER

How many working days and public holidays from

+

-

to

+

-

▼

Days

+

-

▼

Working days

+

-

▼

Weekend days

+

-

▼

Public holidays

+

-

▼

Vacations

Working days numbering

Over the period from Sunday, 1 January, 1978 to Sunday, 31 December, 1978

NumberingOrder

January 1978

251 working days

Mon

Tue

Wed

Thu

Fri

Sat

Sun

1

2

31

42

53

64

7

8

95

106

117

128

139

14

15

16

1710

1811

1912

2013

21

22

2314

2415

2516

2617

2718

28

29

3019

3120

Weekend day

Public holiday: 元日

Public holiday: 元日（振替休日）

Public holiday: 成人の日

Public holiday: 成人の日（振替休日）

February 1978

251 working days

Mon

Tue

Wed

Thu

Fri

Sat

Sun

121

222

323

4

5

624

725

826

927

1028

11

12

1329

1430

1531

1632

1733

18

19

2034

2135

2236

2337

2438

25

26

2739

2840

Weekend day

Public holiday: 建国記念の日

March 1978

251 working days

Mon

Tue

Wed

Thu

Fri

Sat

Sun

141

242

343

4

5

644

745

846

947

1048

11

12

1349

1450

1551

1652

1753

18

19

2054

21

2255

2356

2457

25

26

2758

2859

2960

3061

3162

Weekend day

Public holiday: 春分の日

April 1978

251 working days

Mon

Tue

Wed

Thu

Fri

Sat

Sun

1

2

363

464

565

666

767

8

9

1068

1169

1270

1371

1472

15

16

1773

1874

1975

2076

2177

22

23

2478

2579

2680

2781

2882

29

30

Weekend day

Public holiday: 天皇誕生日

May 1978

251 working days

Mon

Tue

Wed

Thu

Fri

Sat

Sun

183

284

3

485

5

6

7

886

987

1088

1189

1290

13

14

1591

1692

1793

1894

1995

20

21

2296

2397

2498

2599

26100

27

28

29101

30102

31103

Weekend day

Public holiday: 憲法記念日

Public holiday: こどもの日

June 1978

251 working days

Mon

Tue

Wed

Thu

Fri

Sat

Sun

1104

2105

3

4

5106

6107

7108

8109

9110

10

11

12111

13112

14113

15114

16115

17

18

19116

20117

21118

22119

23120

24

25

26121

27122

28123

29124

30125

Weekend day

July 1978

251 working days

Mon

Tue

Wed

Thu

Fri

Sat

Sun

1

2

3126

4127

5128

6129

7130

8

9

10131

11132

12133

13134

14135

15

16

17136

18137

19138

20139

21140

22

23

24141

25142

26143

27144

28145

29

30

31146

Weekend day

August 1978

251 working days

Mon

Tue

Wed

Thu

Fri

Sat

Sun

1147

2148

3149

4150

5

6

7151

8152

9153

10154

11155

12

13

14156

15157

16158

17159

18160

19

20

21161

22162

23163

24164

25165

26

27

28166

29167

30168

31169

Weekend day

September 1978

251 working days

Mon

Tue

Wed

Thu

Fri

Sat

Sun

1170

2

3

4171

5172

6173

7174

8175

9

10

11176

12177

13178

14179

15

16

17

18180

19181

20182

21183

22184

23

24

25185

26186

27187

28188

29189

30

Weekend day

Public holiday: 敬老の日

Public holiday: 秋分の日

October 1978

251 working days

Mon

Tue

Wed

Thu

Fri

Sat

Sun

1

2190

3191

4192

5193

6194

7

8

9195

10

11196

12197

13198

14

15

16199

17200

18201

19202

20203

21

22

23204

24205

25206

26207

27208

28

29

30209

31210

Weekend day

Public holiday: 体育の日

November 1978

251 working days

Mon

Tue

Wed

Thu

Fri

Sat

Sun

1211

2212

3

4

5

6213

7214

8215

9216

10217

11

12

13218

14219

15220

16221

17222

18

19

20223

21224

22225

23

24226

25

26

27227

28228

29229

30230

Weekend day

Public holiday: 文化の日

Public holiday: 勤労感謝の日

December 1978

251 working days

Mon

Tue

Wed

Thu

Fri

Sat

Sun

1231

2

3

4232

5233

6234

7235

8236

9

10

11237

12238

13239

14240

15241

16

17

18242

19243

20244

21245

22246

23

24

25247

26248

27249

28250

29251

30

31

Weekend day

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Working days in a year: ‹ 1977 | 1978 | 1979 ›

{ API for developers }

The holidays optimizer