Your display was updated months ago to use AccuWeather services for forecast data & Internet time & date. This was to help resolve unforeseen connection issues between the NWS & NIST. But yes, will require a power cycle for each DST change. We apologize for this inconvenience.
No, for most of our devices, this particular issue is not a factor. We apologize again for the troubles, please see our private message for more details.