{"first_day":"2026-01-02","last_day":"2026-02-01","timezone":"Europe/London","default_cutoff_time":"09:20","cutoff_presets":[{"label":"EPEX GB hourly (09:20)","time":"09:20","description":"Earliest GB day-ahead gate closure; default, no look-ahead for any auction"},{"label":"Nord Pool N2EX (09:50)","time":"09:50","description":"Nord Pool GB day-ahead auction gate closure"},{"label":"Legacy 11:00","time":"11:00","description":"Pre-2021 coupled auction timing; uses a forecast after the EPEX gate"}],"max_horizon_h":72.0,"default_horizons":[1.0,2.0,4.0,8.0,12.0,16.0,24.0,36.0,48.0],"default_percentile":90.0,"alignment":"hour_mean","mape_min_actual_mw":1000.0}