| Code: | C1 |
| Hours of Work (Industry) Convention, 1919 | |
| Adopt: | November 28, 1919 |
| Force: | June 13, 1921 |
| Classify: | Hours of work |
| Subject: | Working time |
| Prev: | None |
| Next: | Unemployment Convention, 1919 |
Hours of Work (Industry) Convention, 1919 is an International Labour Organization Convention.
It was established in 1919:
As of 2013, the convention had been ratified by 52 states. Of these ratifying states, one—New Zealand—has subsequently denounced the treaty.
| Country | Date | Notes |
|---|---|---|
| Angola | June 4, 1976 | |
| Argentina | November 30, 1933 | |
| Austria | June 12, 1924 | conditional ratification |
| Bangladesh | June 22, 1972 | |
| Belgium | September 6, 1926 | |
| Bolivia | November 15, 1973 | |
| Bulgaria | February 14, 1922 | |
| Burundi | July 30, 1971 | |
| Canada | March 21, 1935 | |
| Chile | September 15, 1925 | |
| Colombia | June 20, 1933 | |
| Comoros | November 23, 1978 | |
| Costa Rica | March 1, 1982 | |
| Cuba | September 20, 1934 | |
| Czech Republic | January 1, 1993 | |
| Djibouti | August 3, 1978 | |
| Dominican Republic | February 4, 1933 | |
| Egypt | May 10, 1960 | ratified as the United Arab Republic |
| Equatorial Guinea | June 12, 1985 | |
| France | February 6, 1927 | conditional ratification |
| Ghana | June 19, 1973 | |
| Greece | November 19, 1920 | |
| Guatemala | June 14, 1988 | |
| Guinea-Bissau | February 21, 1977 | |
| Haiti | March 31, 1952 | |
| India | July 14, 1921 | ratified as British India |
| Iraq | August 24, 1965 | |
| Israel | June 26, 1951 | |
| Italy | October 6, 1924 | conditional ratification |
| Kuwait | September 21, 1961 | |
| Latvia | August 15, 1925 | conditional ratification |
| Lebanon | June 1, 1977 | |
| Libya | May 27, 1971 | |
| Lithuania | June 19, 1931 | |
| Luxembourg | April 16, 1928 | |
| Malta | June 9, 1988 | |
| Mozambique | June 6, 1977 | |
| Myanmar | July 14, 1921 | |
| New Zealand | March 29, 1938 | denounced June 9, 1989 |
| Nicaragua | April 12, 1934 | |
| Pakistan | July 14, 1921 | ratified as British India |
| Paraguay | March 21, 1966 | |
| Peru | August 11, 1945 | |
| Portugal | July 3, 1928 | |
| Romania | June 13, 1921 | |
| Saudi Arabia | June 15, 1978 | |
| Slovakia | January 1, 1993 | |
| Spain | February 22, 1929 | |
| Syrian Arab Republic | May 10, 1960 | ratified as the United Arab Republic |
| United Arab Emirates | May 27, 1982 | |
| Uruguay | June 6, 1933 | |
| Bolivarian Republic of Venezuela | November 20, 1944 |