python matplotlib - retrieve xaxis_major_locator as time value

Question

I am plotting a timeserie with matplotlib (timeserie looks like the following):

Part of the code that i use sets major locator for each day at 0AM:

fig, ax = plt.subplots(figsize=(20, 3))
mpf.candlestick_ohlc(ax,quotes, width=0.01)
ax.xaxis_date()
ax.xaxis.set_major_locator(mpl.dates.DayLocator(interval=1) )

I would like to plot a darker background on the chart for each day between 16pm and 8am, and planning to use axvspan for that task. Considering that axvspan takes as argument axvspan(xmin, xmax) I was wondering if it would be possible to retrieve the xaxis_major_locator as ax value in order to pass it to axvspan as axvspan(xmin=major_locator-3600s, xmax=major_locator+3600s)

Edit: I found that function in the docs: http://matplotlib.org/2.0.0rc2/api/ticker_api.html#matplotlib.ticker.Locator

If anyone knows how to returns a list of ticker location from the Xaxis_major with it let me know. Thanks.

Edit2: if i use print(ax.xaxis.get_major_locator()) i receive as a return <matplotlib.dates.DayLocator object at 0x7f70f3b34090> How do i extarct a list of tick location from that?

Answer 1

好的找到了... Majors=ax.xaxis.get_majorticklocs()