def tz
import cswap-bend-cli@0.1.0.0/clock.bend as Clockimport Base
203def tz(s: String) -> Maybe<&2, U32>:
204 match s:
205 case SNil{}:
206 Some{86400}
207 case SCon{+c, t}:
208 tz.head(Char.is_eq(c, 'Z') || Char.is_eq(c, 'z'), Char.is_eq(c, '+'), Char.is_eq(c, '-'), t)