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Python Pandas - How to perform ceil operation on the DateTimeIndex with hourly frequency
To perform ceil operation on the DateTimeIndex with hourly frequency, use the DateTimeIndex.ceil() method. For hourly frequency, use the freq parameter with value ‘H’.
At first, import the required libraries −
import pandas as pd
Create a DatetimeIndex with period 5 and frequency as min i.e. minutes −
datetimeindex = pd.date_range('2021-09-29 07:20:32.261811624', periods=5, tz='Australia/Adelaide', freq='20min')
Performing Ceil operation on DateTimeIndex date with hourly frequency. For hourly frequency, we have used 'H' −
print("\nPerforming ceil operation with hourly frequency...\n", datetimeindex.ceil(freq='H'))
Example
Following is the code −
import pandas as pd # DatetimeIndex with period 5 and frequency as min i.e. minutes # timezone is Australia/Adelaide datetimeindex = pd.date_range('2021-09-29 07:20:32.261811624', periods=5, tz='Australia/Adelaide', freq='20min') # display DateTimeIndex print("DateTimeIndex...\n", datetimeindex) # display DateTimeIndex frequency print("DateTimeIndex frequency...\n", datetimeindex.freq) # Ceil operation on DateTimeIndex date with hourly frequency # For hourly frequency, we have used 'H' print("\nPerforming ceil operation with hourly frequency...\n", datetimeindex.ceil(freq='H'))
Output
This will produce the following code −
DateTimeIndex... DatetimeIndex(['2021-09-29 07:20:32.261811624+09:30', '2021-09-29 07:40:32.261811624+09:30', '2021-09-29 08:00:32.261811624+09:30', '2021-09-29 08:20:32.261811624+09:30', '2021-09-29 08:40:32.261811624+09:30'], dtype='datetime64[ns, Australia/Adelaide]', freq='20T') DateTimeIndex frequency... <20 * Minutes> Performing ceil operation with hourly frequency... DatetimeIndex(['2021-09-29 08:00:00+09:30', '2021-09-29 08:00:00+09:30', '2021-09-29 09:00:00+09:30', '2021-09-29 09:00:00+09:30', '2021-09-29 09:00:00+09:30'], dtype='datetime64[ns, Australia/Adelaide]', freq=None)
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