像这样一组数据
j1
Size: 2590938x1
Dimensions: Nobs
Datatype: int32
Attributes:
units = 'days'
min = 2.45e+06
max = 2.46e+06
long_name = 'Julian date'
description = 'date of this observation'
reference = 2.45e+06
reference_description = 'Julian date at Jan 1, 1992'
如何将其转化为 yyyy mm dd 求助!