from datetime import datetime, timedelta

import config

def time_to_hour(time: timedelta) -> float:
    return time.total_seconds() / 3600

def today_start():
    td = datetime.today()
    year = td.year
    month = td.month
    day = td.day
    return datetime(year=year, month=month, day=day, hour=0).strftime(config.DATETIME_FORMAT)

def today_end():
    td = datetime.today()
    year = td.year
    month = td.month
    day = td.day
    return datetime(year=year, month=month, day=day, hour=23).strftime(config.DATETIME_FORMAT)