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Python Pandas - How to Round the DateTimeIndex with minute frequency
To round the DateTimeIndex with minute frequency, use the DateTimeIndex.round() method. For minute frequency, use the freq parameter with value ‘T’.
At first, import the required libraries −
import pandas as pd
DatetimeIndex with period 5 and frequency as s i.e. seconds. The timezone is Australia/Adelaide −
datetimeindex = pd.date_range('2021-09-29 07:00', periods=5, tz='Australia/Adelaide', freq='45s')
Display DateTimeIndex −
print("DateTimeIndex...\n", datetimeindex)Round operation on DateTimeIndex date with minute frequency. For minute frequency, we have used 'T −
print("\nPerforming round operation with minute frequency...\n",
datetimeindex.round(freq='T'))Example
Following is the code −
import pandas as pd
# DatetimeIndex with period 5 and frequency as s i.e. seconds
# timezone is Australia/Adelaide
datetimeindex = pd.date_range('2021-09-29 07:00', periods=5, tz='Australia/Adelaide', freq='45s')
# display DateTimeIndex
print("DateTimeIndex...\n", datetimeindex)
# display DateTimeIndex frequency
print("DateTimeIndex frequency...\n", datetimeindex.freq)
# getting the minute
res = datetimeindex.minute
# display only the minute
print("\nThe minute from DateTimeIndex...\n", res)
# Round operation on DateTimeIndex date with minute frequency
# For minute frequency, we have used 'T'
print("\nPerforming round operation with minute frequency...\n",
datetimeindex.round(freq='T'))Output
This will produce the following code −
DateTimeIndex... DatetimeIndex(['2021-09-29 07:00:00+09:30', '2021-09-29 07:00:45+09:30', '2021-09-29 07:01:30+09:30', '2021-09-29 07:02:15+09:30', '2021-09-29 07:03:00+09:30'], dtype='datetime64[ns, Australia/Adelaide]', freq='45S') DateTimeIndex frequency... <45 * Seconds> The minute from DateTimeIndex... Int64Index([0, 0, 1, 2, 3], dtype='int64') Performing round operation with minute frequency... DatetimeIndex(['2021-09-29 07:00:00+09:30', '2021-09-29 07:01:00+09:30', '2021-09-29 07:02:00+09:30', '2021-09-29 07:02:00+09:30', '2021-09-29 07:03:00+09:30'], dtype='datetime64[ns, Australia/Adelaide]', freq=None)
Updated on: 18-Oct-2021
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