Optionalday_Day or holiday grouping.
Optionalend_Local closing time, HH:MM:SS.
Optionalopening_Recorded opening status.
OptionalpositionZero-based position among periods for the same facility and day.
Optionalspans_True if closing is the following day; null if unknown.
Optionalstart_Local opening time, HH:MM:SS.
Recurring hours in Europe/London.