Python | Pandas Timestamp.dayofyear

Python is a great language for doing data analysis, primarily because of the fantastic ecosystem of data-centric python packages. Pandas is one of those packages and makes importing and analyzing data much easier.

Pandas Timestamp.dayofyear attribute return the day of the year for the given Timestamp object. The days are numbered from 1 to 365. where 1 being the first day of the year to 365 being the last day of the year.

Syntax : Timestamp.dayofyear

Parameters : None

Return : day of year

Example #1: Use Timestamp.dayofyear attribute to find the day of the year in the given Timestamp object.

# importing pandas as pd
import pandas as pd

# Create the Timestamp object
ts = pd.Timestamp(2017, 1, 15, 12)

# Print the Timestamp object
print(ts)

Output :

Now we will use the Timestamp.dayofyear attribute to find out the day of the year in the given Timestamp object.

# return day of the year
ts.dayofyear

Output :

As we can see in the output, the Timestamp.dayofyear attribute has returned 15 indicating that it is the 15th day of the year in the given Timestamp object.

Example #2: Use Timestamp.dayofyear attribute to find the day of the year in the given Timestamp object.

# importing pandas as pd
import pandas as pd

# Create the Timestamp object
ts = pd.Timestamp(year = 2009, month = 10,
         day = 21, tz = 'Europe/Berlin')

# Print the Timestamp object
print(ts)

Output :

Now we will use the Timestamp.dayofyear attribute to find out the day of the year in the given Timestamp object.

# return day of the year
ts.dayofyear

Output :

As we can see in the output, the Timestamp.dayofyear attribute has returned 294 indicating that it is the 294th day of the year in the given Timestamp object.