op Ldt.-

Calendar arithmetic: the date moves back by the period, the time of day stays.

Example:

fn main() io {
  print("{(2026-03-31T10:00 - 1.month()).toIso()}")
}

2026-02-28T10:00:00

pub(api) static op -(a: Ldt, p: Period) -> Ldt

Since. 1.0.0-beta

Parameters

Returns

Ldt

Effects

none declared (pure unless the body says otherwise)

Defined in: std/time/time.oxl:1712