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by steveBK123 941 days ago
One edge case to this is I've worked on financial systems where we kept the Asian market systems in JST, while EU/MENA/Americas ran on UTC. As long as you aren't dealing with FX/Futures, markets are generally open no earlier than 7am and no later than 6pm. This worked nicely since it meant that the DATE in each regions system&local clocks agreed.