I'm working on a personal project that was going to have some Twilio-powered mobile integration. This feature depended on being able to send an SMS text message to a user at a given time each day. While this might sound simple, it is actually quite a complex matter. See, my server's 9PM is probably not your 9PM. As such, I need to calculate your time based on my server's time and our individual time zones. Throw Daylight Savings Time (DST) into the mix and suddenly, this seemingly simple conc ...
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