Calendar.lb

Calendar.lb(date: date, default='raise') → date

Returns the most recent date strictly before (“last-before”, or “lb”)

Parameters:

• date (datetime.date) – the lookup date

• default (optional) – default value if the given date is strictly before the first date in the calendar

Returns:

the most recent date strictly before date

Return type:

datetime.date

See also

Calendar.fa

Returns the first date after

Calendar.asof

Returns the most recent date on or before (after) another date