2023-01-19 UTC
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[KevinMarks] I have a db that ingests sorta structured emails and I was using Python's default date parser. The people s endo the emails switched the date format from months as text to dd/mm/yyyy but python was assuming they were mm/dd/yyyy until the day got past 12. I was testing the changeover at the end of the month, and things looked OK, then I looked at event durations later and some were crazy.