Class DatetimeIndex (2.17.0) 

DatetimeIndex(data=None, dtype=None, *, name=None, session=None)

Immutable sequence used for indexing and alignment with datetime-like values

Properties

day

The day of the datetime.

Examples:

>>> import bigframes.pandas as bpd
>>> import pandas as pd
>>> bpd.options.display.progress_bar = None

>>> idx = bpd.Index([pd.Timestamp("20250215")])
>>> idx.day
Index([15], dtype='Int64')

day_of_week

The day of the week with Monday=0, Sunday=6.

Examples:

>>> import bigframes.pandas as bpd
>>> import pandas as pd
>>> bpd.options.display.progress_bar = None

>>> idx = bpd.Index([pd.Timestamp("20250215")])
>>> idx.day_of_week
Index([5], dtype='Int64')

dayofweek

The day of the week with Monday=0, Sunday=6.

Examples:

>>> import bigframes.pandas as bpd
>>> import pandas as pd
>>> bpd.options.display.progress_bar = None

>>> idx = bpd.Index([pd.Timestamp("20250215")])
>>> idx.dayofweek
Index([5], dtype='Int64')

month

The month as January=1, December=12.

Examples:

>>> import bigframes.pandas as bpd
>>> import pandas as pd
>>> bpd.options.display.progress_bar = None

>>> idx = bpd.Index([pd.Timestamp("20250215")])
>>> idx.month
Index([2], dtype='Int64')

weekday

The day of the week with Monday=0, Sunday=6.

Examples:

>>> import bigframes.pandas as bpd
>>> import pandas as pd
>>> bpd.options.display.progress_bar = None

>>> idx = bpd.Index([pd.Timestamp("20250215")])
>>> idx.weekday
Index([5], dtype='Int64')

year

The year of the datetime

Examples:

>>> import bigframes.pandas as bpd
>>> import pandas as pd
>>> bpd.options.display.progress_bar = None

>>> idx = bpd.Index([pd.Timestamp("20250215")])
>>> idx.year
Index([2025], dtype='Int64')