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)