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How to extract only the month and day from a datetime object in Python?
To extract only the month and day from a datetime object in Python, we can use the DateFormatter() class.
steps
Set the figure size and adjust the padding between and around the subplots.
Make a dataframe, df, of two-dimensional, size-mutable, potentially heterogeneous tabular data.
Create a figure and a set of subplots.
Plot the dataframe using plot() method.
Set the axis formatter, extract month and day.
To display the figure, use show() method.
Example
import numpy as np
import pandas as pd
from matplotlib import pyplot as plt, dates
plt.rcParams["figure.figsize"] = [7.50, 3.50]
plt.rcParams["figure.autolayout"] = True
df = pd.DataFrame(dict(time=list(pd.date_range("2021-01-01 12:00:00", periods=10)), speed=np.linspace(1, 10, 10)))
fig, ax = plt.subplots()
ax.plot(df.time, df.speed)
ax.xaxis.set_major_formatter(dates.DateFormatter('M:%m\nD:%d'))
plt.show()Output
Updated on: 23-Sep-2021
1K+ Views
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