Working days

in Japan | Standard

We use cookies in order to offer you the best user experience, track our audience and display ads. Read our privacy policy.

Got it

Define a period

Fixed start date

Fixed end date

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 Tuesday, 1 January, 1980 to Wednesday, 31 December, 1980

NumberingOrder

January 1980

251 working days

Mon

Tue

Wed

Thu

Fri

Sat

Sun

1

21

32

43

5

6

74

85

96

107

118

12

13

149

15

1610

1711

1812

19

20

2113

2214

2315

2416

2517

26

27

2818

2919

3020

3121

Weekend day

Public holiday: 元日

Public holiday: 成人の日

February 1980

251 working days

Mon

Tue

Wed

Thu

Fri

Sat

Sun

122

2

3

423

524

625

726

827

9

10

11

1228

1329

1430

1531

16

17

1832

1933

2034

2135

2236

23

24

2537

2638

2739

2840

2941

Weekend day

Public holiday: 建国記念の日

March 1980

251 working days

Mon

Tue

Wed

Thu

Fri

Sat

Sun

1

2

342

443

544

645

746

8

9

1047

1148

1249

1350

1451

15

16

1752

1853

1954

20

2155

22

23

2456

2557

2658

2759

2860

29

30

3161

Weekend day

Public holiday: 春分の日

April 1980

251 working days

Mon

Tue

Wed

Thu

Fri

Sat

Sun

162

263

364

465

5

6

766

867

968

1069

1170

12

13

1471

1572

1673

1774

1875

19

20

2176

2277

2378

2479

2580

26

27

2881

29

3082

Weekend day

Public holiday: 天皇誕生日

May 1980

251 working days

Mon

Tue

Wed

Thu

Fri

Sat

Sun

183

284

3

4

5

685

786

887

988

10

11

1289

1390

1491

1592

1693

17

18

1994

2095

2196

2297

2398

24

25

2699

27100

28101

29102

30103

31

Weekend day

Public holiday: 憲法記念日

Public holiday: こどもの日

June 1980

251 working days

Mon

Tue

Wed

Thu

Fri

Sat

Sun

1

2104

3105

4106

5107

6108

7

8

9109

10110

11111

12112

13113

14

15

16114

17115

18116

19117

20118

21

22

23119

24120

25121

26122

27123

28

29

30124

Weekend day

July 1980

251 working days

Mon

Tue

Wed

Thu

Fri

Sat

Sun

1125

2126

3127

4128

5

6

7129

8130

9131

10132

11133

12

13

14134

15135

16136

17137

18138

19

20

21139

22140

23141

24142

25143

26

27

28144

29145

30146

31147

Weekend day

August 1980

251 working days

Mon

Tue

Wed

Thu

Fri

Sat

Sun

1148

2

3

4149

5150

6151

7152

8153

9

10

11154

12155

13156

14157

15158

16

17

18159

19160

20161

21162

22163

23

24

25164

26165

27166

28167

29168

30

31

Weekend day

September 1980

251 working days

Mon

Tue

Wed

Thu

Fri

Sat

Sun

1169

2170

3171

4172

5173

6

7

8174

9175

10176

11177

12178

13

14

15

16179

17180

18181

19182

20

21

22183

23

24184

25185

26186

27

28

29187

30188

Weekend day

Public holiday: 敬老の日

Public holiday: 秋分の日

October 1980

251 working days

Mon

Tue

Wed

Thu

Fri

Sat

Sun

1189

2190

3191

4

5

6192

7193

8194

9195

10

11

12

13196

14197

15198

16199

17200

18

19

20201

21202

22203

23204

24205

25

26

27206

28207

29208

30209

31210

Weekend day

Public holiday: 体育の日

November 1980

251 working days

Mon

Tue

Wed

Thu

Fri

Sat

Sun

1

2

3

4211

5212

6213

7214

8

9

10215

11216

12217

13218

14219

15

16

17220

18221

19222

20223

21224

22

23

24

25225

26226

27227

28228

29

30

Weekend day

Public holiday: 文化の日

Public holiday: 勤労感謝の日

Public holiday: 勤労感謝の日（振替休日）

December 1980

251 working days

Mon

Tue

Wed

Thu

Fri

Sat

Sun

1229

2230

3231

4232

5233

6

7

8234

9235

10236

11237

12238

13

14

15239

16240

17241

18242

19243

20

21

22244

23245

24246

25247

26248

27

28

29249

30250

31251

Weekend day

Simple tap to view day details.

Swipe left/right to change month.

Long press, then drag to select a period.

Selected period

Go Premium to remove ads & more

Export to Excel

Reminder center

Working days in a year: ‹ 1979 | 1980 | 1981 ›

{ API for developers }

The holidays optimizer