If the onsite team team prefers to end iterations on Friday, they might naturally assume they have all day Friday until evening for these activities.
However, look at what that would do to a remote sub-team in India – it would mean working until early hours on Saturday morning. A better practice is to split the end of sprint activities across two days, ideally during the overlap time dedicated for sub-team synchronization. This insures minimal impact to normal working hours at the end of each sprint.
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