from astropy.time import TimeISO

class TimeYearDayTimeCustom(TimeISO):
   """
   Year, day-of-year and time as "<YYYY>-<DOY>T<HH>:<MM>:<SS.sss...>".
   The day-of-year (DOY) goes from 001 to 365 (366 in leap years).
   For example, 2000-001T00:00:00.000 is midnight on January 1, 2000.
   The allowed subformats are:
   - 'date_hms': date + hours, mins, secs (and optional fractional secs)
   - 'date_hm': date + hours, mins
   - 'date': date
   """

   name = 'yday_custom'
   subfmts = (('date_hms',
               '%Y-%jT%H:%M:%S',
               '{year:d}-{yday:03d}T{hour:02d}:{min:02d}:{sec:02d}'),
              ('date_hm',
               '%Y-%jT%H:%M',
               '{year:d}-{yday:03d}T{hour:02d}:{min:02d}'),
              ('date',
               '%Y-%j',
               '{year:d}-{yday:03d}'))

from astropy.time import TimeISO

class TimeYearDayTimeCustom(TimeISO):
   """
   Year, day-of-year and time as "<YYYY>-<DOY>T<HH>:<MM>:<SS.sss...>".
   The day-of-year (DOY) goes from 001 to 365 (366 in leap years).
   For example, 2000-001T00:00:00.000 is midnight on January 1, 2000.
   The allowed subformats are:
   - 'date_hms': date + hours, mins, secs (and optional fractional secs)
   - 'date_hm': date + hours, mins
   - 'date': date
   """

   name = 'yday_custom'
   subfmts = (('date_hms',
               '%Y-%jT%H:%M:%S',
               '{year:d}-{yday:03d}T{hour:02d}:{min:02d}:{sec:02d}'),
              ('date_hm',
               '%Y-%jT%H:%M',
               '{year:d}-{yday:03d}T{hour:02d}:{min:02d}'),
              ('date',
               '%Y-%j',
               '{year:d}-{yday:03d}'))

Year, day-of-year and time as "<YYYY>-<DOY>T<HH>:<MM>:<SS.sss...>".    The day-of-year (DOY) goes from 001 to 365 (366 in leap years).    For example, 2000-001T00:00:00.000 is midnight on January 1, 2000.    The allowed subformats are:    - 'date_hms': date + hours, mins, secs (and optional fractional secs)    - 'date_hm': date + hours, mins    - 'date': date