cf.Units.isreftime

Units.isreftime

True if the units are reference time units, False otherwise.

Note that time units (such as 'days') are not reference time units.

See also

isdimensionless, islongitude, islatitude, ispressure, istime

Examples:

>>> print Units('days since 2000-12-1 03:00').isreftime
True
>>> print Units('hours since 2100-1-1', calendar='noleap').isreftime
True
>>> print Units(calendar='360_day').isreftime
True
>>> print Units('days').isreftime
False
>>> print Units('kg').isreftime
False
>>> print Units().isreftime
False