Derive a Swedish parliamentary session label (YYYY/YY) from a date string. October–December → N/N+1, January–September → N-1/N. Falls back to today when the input is unparseable.
YYYY/YY
N/N+1
N-1/N
Derive a Swedish parliamentary session label (
YYYY/YY) from a date string. October–December →N/N+1, January–September →N-1/N. Falls back to today when the input is unparseable.