from datetime import time from exchange_calendars.calendar_helpers import UTC from .exchange_calendar import ExchangeCalendar class WeekdayCalendar(ExchangeCalendar): """ A ExchangeCalendar for an exchange that is open every minute of every weekday. """ name = "24/5" tz = UTC open_times = ((None, time(0)),) close_times = ((None, time(0)),) close_offset = 1