#2549: Edge Cake
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Transcript
[Megan is walking towards Cueball and Emily (who resembles Hairbun), holding a cake.]
Megan: Happy birthday, Emily!
Cueball: Wait, wasn't that last month? When's your birthday, anyway?
Emily: It's complicated.
[A diagram of a flight path over the North Pole, with meridian lines radiating out from the center. Emily's dialogue appears above the diagram, but she herself does not appear in this panel.]
Emily: My mom went into labor on an arctic international flight that diverted directly over the North Pole.
Emily: I was born in every time zone at once.
[With Megan standing behind her, Emily holds out a plate of cake to Cueball.]
Emily: It was also February 29th, and the airline was just changing ownership between countries.
Emily: The International Bureau of Weights and Measures finally issued a declaration that it's my birthday whenever I want.
Emily: Cake?
Cueball: Nice, it's all edge pieces.
(Sourced from explainxkcd.com)
Title text:Every time IERS adds or removes a leap second, they send me a birthday cake out of superstition.