I don't know the fastest method but you might search around on StackExchange [1] and test some of their answers as I see some examples of people converting dirt

I don't know the fastest method but you might search around on StackExchange [1] and test some of their answers as I see some examples of people converting dirty date inputs that would surely be faster than using a heavy LLM, especially if broken up into batches and distributed to multiple machines by core/thread counts. [1] - https://stackoverflow.com/questions/63371125/python-how-to-clean-dirty-date-time-strings https://stackoverflow.com/questions/63371125/python-how-to-c...