xarray.CFTimeIndex.shift#

CFTimeIndex.shift(periods, freq=None)[source] #

Shift the CFTimeIndex a multiple of the given frequency.

See the documentation for date_range() for a complete listing of valid frequency strings.

Parameters:

• periods (int, float if freq of days or below) – Periods to shift by

• freq (str, datetime.timedelta or BaseCFTimeOffset) – A frequency string or datetime.timedelta object to shift by

Returns:

CFTimeIndex

See also

pandas.DatetimeIndex.shift

Examples

>>> index = xr.date_range("2000", periods=1, freq="ME", use_cftime=True)
>>> index
CFTimeIndex([2000年01月31日 00:00:00],
 dtype='object', length=1, calendar='standard', freq=None)
>>> index.shift(1, "ME")
CFTimeIndex([2000年02月29日 00:00:00],
 dtype='object', length=1, calendar='standard', freq=None)
>>> index.shift(1.5, "24h")
CFTimeIndex([2000年02月01日 12:00:00],
 dtype='object', length=1, calendar='standard', freq=None)

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