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IT Services generally provides support during working days between 8:30 and 17:30 UTC. Those hours will adjust slightly as the UK goes into and out of daylight savings. So, for example, if the UK is in daylight savings, the hours will be 8:30 to 17:30 UTC+1.
There will be exceptions to those hours, e.g. IT staff taking vacation, public holidays, illness, etc.
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