Counting calories and pulled an all nighter, to which day do you add the calories?

So yesterday (Thursday) I woke up around 11AM, went through my day as per usual, only to remember I had to have an assignment emailed to my professor by noon today. I just finished an hour ago (6:30AM-Friday). I ate during the time I would normally be in bed (obviously). I'm going to bed now, I'll most likely sleep for 6 or so hours, then I'll wake up have dinner and most likely a snack at some point before going to bed around 2amish. To which day should I add my calories to?
Counting calories and pulled an all nighter, to which day do you add the calories?
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