Time.Date.of_z: def of bend-kit-time@0.3.0.0
Import: import bend-kit-time@0.3.0.0/time.bend as Time
Lines 234-241 of bend-kit-time@0.3.0.0/time.bend: https://jend.leeeet.dev/read.txt?path=bend-kit-time@0.3.0.0/time.bend&start_line=234&end_line=241

import Base

def Date.of_z(+z: U32) -> Date:
  +era = (z / 146097 : U32)
  +doe = (z - era * 146097 : U32)
  +yoe = ((doe - doe / 1460 + doe / 36524 - doe / 146096) / 365 : U32)
  +doy = (doe - (365 * yoe + yoe / 4 - yoe / 100) : U32)
  +mp = ((5 * doy + 2) / 153 : U32)
  Date.of_z.fin(U32.is_lt(mp, 10), (yoe + era * 400 : U32), mp,
    (doy - (153 * mp + 2) / 5 + 1 : U32))

Uses (8):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=U32
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=U32.add
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=U32.div
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=U32.is_lt
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=U32.mul
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=U32.sub
  https://jend.leeeet.dev/definition.txt?path=bend-kit-time@0.3.0.0/time.bend&name=Date
  https://jend.leeeet.dev/definition.txt?path=bend-kit-time@0.3.0.0/time.bend&name=Date.of_z.fin