from datetime import datetime
import dateparser
import pytz

now = datetime(2023, 2, 2, 10).astimezone(pytz.timezone("America/Los_Angeles"))
print(now)      # 2023-02-02 10:00:00-08:00
now_utc = now.astimezone(pytz.timezone("UTC")).replace(tzinfo=None)
print(now_utc)  # 2023-02-02 18:00:00

settings = {
    'PREFER_DATES_FROM': 'future',
    'RETURN_AS_TIMEZONE_AWARE': True,
    'RELATIVE_BASE': now_utc,
    'TIMEZONE': 'America/Los_Angeles',
    "TO_TIMEZONE": "etc/utc",
}
time = dateparser.parse('2pm', settings=settings)
print(time) # 2023-02-02 22:00:00+00:00 - correct

time = dateparser.parse('8pm', settings=settings)
print(time) # 2023-02-04 04:00:00+00:00 - incorrect

# datetime(2023, 2, 3, 4).time() = datetime.time(4, 0)
# datetime(2023, 2, 2, 18).time() = datetime.time(18, 0)
# datetime.time(4, 0) < datetime.time(18, 0) which causes date to be added even though the date is in the future