Interval center vs start vs end

Is a 10:00 reading the beginning, midpoint, or end of a one-hour measurement? The convention shifts every value by up to an hour and is rarely recorded.

Class

Case to account for

Affects

2 conversions

Detection

Interval-labelled data without a stated label position (start/center/end).

Mitigation

Declare the label position; convert to a canonical (usually interval-start) before slotting.

Affected conversions

Slot + ISO weekUTC interval

OPEN

Timestamp + zonehour-of-week slot

OPEN