IMO its too early for Disney to have out an accurate calendar of early or late magic hours, except for in the case of the 2 days in the beginning of November when DHS has already announced EEMH.
It's been MANY years since they had both in the same day.
BUT you need to keep an eye on the hours as they will most likely extend the EVERY day early EMH at HS and maybe the ones at AK and MK too to help with Galaxy Edge crowds.
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