courtesy of Circadian Technologies, Inc.
A work schedule in which shifts move forward, from days to evenings to nights. See
A schedule in which employees work approximately 40 hours in fewer than 5 days, often
in 10- or 12-hour shifts.
A situation requiring around-the-clock manpower.
A work schedule in which the shifts move backward, from nights to evenings to days.
A period of work in which half or more of the hours worked are between 8 a.m. and
Two consecutive shifts worked in one 24-hour period.
A period of work in which half or more of the hours worked are between 4 p.m. and
Long periods of work that cause a worker to get less sleep than usual or no sleep.
A work schedule in which the hours of work remain the same from day to day. Compare
A system in which starting and stopping hours of work are determined by the individual
worker, with a required number of total hours specified by the employer. Usually
there is a daily core period when all workers must be present.
A job consisting of 35 or more hours of work per week.
A work schedule that is variable and erratic. Compare fixed shifts, rotating shifts.
Holding more than one job.
A period of work in which half or more of the hours worked are between midnight and
Time worked at one job in excess of 40 hours per week. Overtime may be required or
Work in which the hours from day to day or week to week change regularly, for example
from a days to evenings to nights. Rotation may be rapid (e.g., 1-3 days), medium
length (e.g., 1 week), or long (e.g., 4 weeks); it may proceed forward, as noted
above, or backward (days to nights to evenings). Compare fixed shifts, irregular shifts.
Any nonstandard work schedule (including evening or night shifts, rotating shifts,
split shifts, and extended duty hours) in which most of the hours worked are outside
the period between 8 a.m. and 4 p.m. See day shift, evening shift, night shift, rotating shifts, split shift, extended duty hours.
A person who works a nonstandard schedule. See shiftwork.
A schedule of full-time employment that comprises 35 or fewer hours of work per week.
May also be used to mean compressed workweek.
(Cambridge, Mass.), publishers of information for night workers and managers of 24-hour