Singapore enacts an 8-hour normal work day, a 44-hour normal working week, and a maximum 48-hour work week. It is to note that if the employee works no more than five days a week, the employeeâs normal working day is 9-hour and the working week is 44 hours.
In Prisoner of Azkaban, Sirius Black anonymously sends Harry a Firebolt broom after the demise of Harry's Nimbus 2000 in the Whomping Willow. At the end of PoA, Sirius writes Harry a letter and explains that, yes, it was he who sent the Firebolt:
In Harry Potter and the Goblet of Fire, Hermione indicates that due to the high levels of magic, substitutes for magic (that) Muggles use such as computers, radar and electricity go haywire around Hogwarts.