time.py

from datetime import datetime, timedelta


def get_start_of_week(value: datetime) -> datetime:
    """Returns the datetime of the start of the week for the given datetime."""
    return (value - timedelta(days=value.weekday())).replace(hour=0, minute=0, second=0, microsecond=0)


def get_minutes_since_start_of_week(value: datetime) -> float:
    """Returns the number of minutes since the start of the week."""
    return (value - get_start_of_week(value)).total_seconds() / 60


def get_hours_since_start_of_week(value: datetime) -> float:
    """Returns the number of hours since the start of the week."""
    return (value - get_start_of_week(value)).total_seconds() / 3600


start_of_week = get_start_of_week(datetime.now())
values = [
    start_of_week + timedelta(days=0, hours=13),
    start_of_week + timedelta(days=0, hours=20),
    start_of_week + timedelta(days=2, hours=8),
    start_of_week + timedelta(days=2, hours=17),
    start_of_week + timedelta(days=4, hours=15),
    start_of_week + timedelta(days=4, hours=23),
]

for value in values:
    # format like Wednesday 8:00 AM
    print(
        f"{value.strftime('%A %I:%M %p')} {get_minutes_since_start_of_week(value):.0f}min {get_hours_since_start_of_week(value):.1f}hrs")