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  2. Factories Act 1847 - Wikipedia

    en.wikipedia.org/wiki/Factories_Act_1847

    The Factories Act 1847 (10 & 11 Vict. c. 29), also known as the Ten Hours Act was a United Kingdom act of Parliament which restricted the working hours of women and young persons (13–18) in textile mills to 10 hours per day. The practicalities of running a textile mill were such that the Act should have effectively set the same limit on the ...

  3. Working time - Wikipedia

    en.wikipedia.org/wiki/Working_time

    Brazil has a 44-hour work week, normally 8 hours per day and 4 hours on Saturday or 8.8 hours per day. Jobs with no meal breaks or on-duty meal breaks are 6 hours per day. Public servants work 40 hours per week. Lunch breaks are one hour and are not usually counted as work. A typical work schedule is 8:00 or 9:00–12:00, 13:00–18:00.

  4. Man-hour - Wikipedia

    en.wikipedia.org/wiki/Man-hour

    A man-hour or human-hour is the amount of work performed by the average worker in one hour. [1] [2] It is used for estimation of the total amount of uninterrupted labor required to perform a task. For example, researching and writing a college paper might require eighty man-hours, while preparing a family banquet from scratch might require ten ...

  5. Day - Wikipedia

    en.wikipedia.org/wiki/Day

    It uses the day as the base unit, and smaller units being fractions of a day: a metric hour (deci) is 1 ⁄ 10 of a day; a metric minute (milli) is 1 ⁄ 1000 of a day; etc. [16] Similarly, in decimal time, the length of a day is static to normal time. A day is also split into 10 hours, and 10 days comprise a décade – the equivalent of a ...

  6. Decimal time - Wikipedia

    en.wikipedia.org/wiki/Decimal_time

    Some decimal time proposals are based upon alternate units of metric time. The difference between metric time and decimal time is that metric time defines units for measuring time interval, as measured with a stopwatch, and decimal time defines the time of day, as measured by a clock. Just as standard time uses the metric time unit of the ...

  7. History of timekeeping devices - Wikipedia

    en.wikipedia.org/wiki/History_of_timekeeping_devices

    Lunar phases were used to mark shorter periods of time; the Yaraldi of South Australia being one of the few people recorded as having a way to measure time during the day, which was divided into seven parts using the position of the Sun. [5] All timekeepers before the 13th century relied upon methods that used something that moved continuously.

  8. Unequal hours - Wikipedia

    en.wikipedia.org/wiki/Unequal_hours

    Unequal hours are the division of the daytime and the nighttime into 12 sections each, whatever the season. They are also called temporal hours, seasonal hours, biblical or Jewish hours, as well as ancient or Roman hours (Latin: horae temporales). They are unequal duration periods of time because days are longer and nights shorter in summer ...

  9. Hour - Wikipedia

    en.wikipedia.org/wiki/Hour

    The Talmudic hour is one twelfth of time elapsed from sunrise to sunset, day hours therefore being longer than night hours in the summer; in winter they reverse. The Indic day began at sunrise. The term hora was used to indicate an hour. The time was measured based on the length of the shadow at day time. A hora translated to 2.5 pe.