Date one period before from (UTC), day-clamped for short months (e.g. Mar 31 minus one month → Feb 28/29, not Mar 3).
from
Lookback period to subtract.
UTC anchor date for the comparison.
The period start date in YYYY-MM-DD format.
Date one period before
from(UTC), day-clamped for short months (e.g. Mar 31 minus one month → Feb 28/29, not Mar 3).