Well…on the note of Emma’s birthday…the newspaper reads October 23rd -after- the curse rolls in, the day that Regina wakes up and the Flynns walk into town in the morning.
It was night in SB when the curse rolled in, though it was apparently daylight yet when Emma and Pinocchio came through the tree. So…logic dictates that Emma was born the 22nd, not the 23rd.
Further evidence? Henry shows up late at night on her birthday. She takes him to Storybrooke that evening. She spends the night in jail (having hit the sign and knocked herself out). The next night, at 8:15 pm, she decides to stay in Storybrooke for a week. The clock ticks. 12 hours away in Phucket, the date on the screen reads October 24th, 8:15 AM., when August starts turning back to wood. That means it’s October 23rd in Storybrooke, and that means her birthday was the 22nd.
Now, whether the showrunners will actually get that right should it come up again is an interesting question. But on my timeline, Emma’s birth is the 22nd of October, 1983.
Keeper of Belle's Gold magic, sand dollar, cloaks, purple FTL outfit, spell scroll, library key, copy of Romeo and Juliet, and cry-muffling pillow, Rumple's doll, overcoat, and strength, and The Timeline. My spreadsheet: https://drive.google.com/file/d/0B6r8CySCCWd9R0RUNm4xR3RhMEU/view?usp=sharing