Exact periods ranges of hourly weather timeline

Which is the exact period for the hourly weather records?

WIth the hourly timeline we get hour points 0-23.

The period length is expected to be 1 hour. But how should we treat the 'datetime', as a start, end or a center point of 1-hour periods?

E.g. Considering the record with datetime = 01:00

  • Datetime as the start point, covers the period of 01:00 - 02:00.
  • The center of 1-hour period: 00:30 - 01:30
  • The end of the period: 00:00 - 01:00.

Which one is correct?


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