Period started at 11 pm is today day 1 or tomorrow?

Question

Answer

I've been through this with my cycle. If you count the same day of your at 11pm, you'll notice your period will extend into the next day when you are supposed to be off. It's not a full day, so day 1 starts the next full day. If you want you can research it. AF after 5/6 PM, next full day is when you count from.

Answer

Since it’s at 11pm, I would log the next day as an actual flow

Answer

11pm Sunday is still Sunday. 12am Monday is a different day.
If you start your period on Sunday, day 1 is Sunday.

Period started at 11 pm is today day 1 or tomorrow?

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