Naive datetime ignores DST

Code reviewCode quality & reviewMid–Senior~25 min

Review this Python scheduling helper.

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1from datetime import datetime, timedelta

3def next_run(local_dt: datetime) -> datetime:

4 # local_dt is a naive datetime in America/New_York,

5 # we want "same wall-clock time tomorrow"

6 return local_dt + timedelta(days=1)

8def seconds_until(local_dt: datetime) -> float:

9 return (local_dt - datetime.now()).total_seconds()

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