It looks like you're asking, "How many hours until today?" but since the current date and time is already Friday, May 23, 2025, 5:35 AM EDT , "today" has already started. If you mean:
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How many hours have passed since the start of today (midnight)?
From 12:00 AM to 5:35 AM is 5 hours and 35 minutes, or approximately 5.6 hours. -
How many hours remain until the end of today (midnight)?
There are 24 hours in a day, so from 5:35 AM to midnight is 18 hours and 25 minutes, or approximately 18.4 hours.
Please clarify if you meant something else!