EuroMDYScales = [TimeScale(day_of_month=list(range(1, 31, 3)), formatter=
    MyFormatter()), TimeScale(day_of_month=(1, 8, 15, 22), formatter=
    MyFormatter()), TimeScale(day_of_month=(1, 15), formatter=MyFormatter()
    ), TimeScale(month_of_year=list(range(1, 13)), formatter=MyFormatter()),
    TimeScale(month_of_year=list(range(1, 13, 3)), formatter=MyFormatter()),
    TimeScale(month_of_year=(1, 7), formatter=MyFormatter()), TimeScale(
    month_of_year=(1,), formatter=MyFormatter())]
Форматирование времени меток оси python chaco