date_range

http://pandas.pydata.org/pandas-docs/stable/generated/pandas.date_range.html#pandas.date_range

pandas.date_range(start=None, end=None, periods=None, freq='D', tz=None, normalize=False, name=None, closed=None, **kwargs)

参数

参数	描述
start : string or datetime-like, default None
end : string or datetime-like, default None
periods : integer or None, default None	生成时间段的size，要指定开始时间或者结束时间
freq : string or DateOffset, default ‘D’ (calendar daily)	生成时间的间隔，默认是天
tz : string or None	Time zone name for returning localized DatetimeIndex, for example Asia/Hong_Kong
normalize : bool, default False	Normalize start/end dates to midnight before generating date range
name : str, default None	Name of the resulting index
closed : string or None, default None	Make the interval closed with respect to the given frequency to the ‘left’, ‘right’, or both sides (None)

freq参数选项

简称	Description	描述
B	business day frequency	工作日
C	custom business day frequency (experimental)
D	calendar day frequency	日历日
W	weekly frequency
M	month end frequency
SM	semi-month end frequency (15th and end of month)
BM	business month end frequency
CBM	custom business month end frequency
MS	month start frequency
SMS	semi-month start frequency (1st and 15th)
BMS	business month start frequency
CBMS	custom business month start frequency
Q	quarter end frequency
BQ	business quarter endfrequency
QS	quarter start frequency
BQS	business quarter start frequency
A	year end frequency
BA	business year end frequency
AS	year start frequency
BAS	business year start frequency
BH	business hour frequency
H	hourly frequency
T, min	minutely frequency
S	secondly frequency
L, ms	milliseconds
U, us	microseconds
N	nanoseconds

返回值

rng : DatetimeIndex

其他

bdate_range([start, end, periods, freq, tz, …])工作日序列生成快捷函数
period_range([start, end, periods, freq, name])范围序列生成快捷函数