pub fn parse_boundary(s: &str, tz: Tz) -> CliResult<DateTime<FixedOffset>>Expand description
Parse a --from / --to boundary: RFC3339 (2026-06-01T00:00:00Z) or a
bare date (2026-06-01, interpreted as midnight in tz). A date that
falls in a DST gap resolves to the earliest valid instant.