to allow factories to operate every day, always having most of its workers present to maintain production. These five-day work weeks continued throughout the Gregorian year, interrupted only by the five national holidays. While the five-day week was used for scheduling work, the Gregorian calendar and its seven-day week were used for all other purposes.

During the summer of 1931, six-day interrupted work weeks were implemented for most workers, with a common day of rest for all workers interrupting their work weeks. Five six-day work