from datetime import datetime
import dateutil.rrule

rrule = dateutil.rrule.rrulestr(
    'DTSTART;TZID=America/New_York:20180601T120000 RRULE:FREQ=DAILY;INTERVAL=1;UNTIL=20180602T000000'
)
print rrule.after(datetime.utcnow())

Traceback (most recent call last):
  File "utc_until.py", line 7, in <module>
    print rrule.after(datetime.utcnow())
  File "/home/ryan/.local/share/virtualenvs/tmp.jQo0RUu68U-Zv6c7Bw0/lib/python2.7/site-packages/dateutil/rrule.py", line 223, in after
    for i in gen:
  File "/home/ryan/.local/share/virtualenvs/tmp.jQo0RUu68U-Zv6c7Bw0/lib/python2.7/site-packages/dateutil/rrule.py", line 862, in _iter
    if until and res > until:
TypeError: can't compare offset-naive and offset-aware datetimes