The phrase "altered shift" is correct and usable in written English.
It can be used to describe a change in a work schedule or the timing of a particular task or event.
Example: "Due to unforeseen circumstances, we will implement an altered shift for the night crew starting next week."
Alternatives: "modified schedule" or "changed shift".
After dinner (aubergine-free), and once the fiery-tailed cyclops cake had been approved by its designer, I read both boys a bedtime story, covertly checking out what was new, altered, shifted: a proper desk for the eldest, bedside lamps I didn't recognise, and our ancient glitter ball finally affixed to the ceiling.
It takes 9.5 seconds to get the 4,700-pound 4,700-pound 60 mPacificatoat's to be expected, given that it's saddled with a four- rather than five-speed automatic (an extra gear would allow Chrysler engineers to alter shift points for better use of the limited-grunt, 250-hp 3.5-liter V-60.
The events of 2009 and 2010 — bailouts, health care reform, the stimulus package — substantially shifted voter attitudes and nothing that has happened in 2011 has altered that shift.
The US Navy has altered its shift system to align it with the 24-hour clock, rather than the 18-hour day used in the old British system.
Both scenes were altered to shift the target of the men's desires: food rather than women.
Furthermore, altered band shift of integrin beta 1 were observed by KAI1 expression.
More homes and offices are getting wired with high-speed Internet connections, a market-altering shift that is buttressed by a stream of advances in data storage, computer-processing and software.
The owners and operators of Twitter have introduced a virtual-world altering shift, on a par with the collapse of the Roman Empire in ancient times, or the first demonstration of nuclear weapons in the 20th century.
In landscapes that have been radically transformed by humans, the natural carbon balance may be altered by shifts in Rsoil.
