Four years later, in 1928, the time limit for the race was reduced by an hour to 11 hours.

The treatment time was reduced to 10 to 20 hours.

The 72 hour work week was reduced to 56 hours by creating the third shift.

The working day was reduced from twelve to nine hours in 1907.

In 1947, the working week was reduced again, to forty hours.

This had been reduced to 24 hours from 48 based on the 1989 evaluations and seemed to be just about right.

From 1921, a new law reduced the work week to 48 hours.

Before the change was introduced, the winning time had been reduced to 1 day, 3 hours and 28 minutes.

After that students can keep up the pace or reduce to five hours.

Recently, there has been talk of reducing the work week further, to 57 hours.