Helper asynchronous function that waits until clock hits specified hour

wait_for_clock.py

import asyncio
import datetime


def wait_for_clock(hour, minute, result=None):

    t = datetime.datetime.combine(
        datetime.date.today(),
        datetime.time(hour, minute)
    )

    tt = datetime.datetime.now()

    if tt >= t:
        t += datetime.timedelta(days=1)

    delta = t - tt
    delta_sec = delta.seconds + delta.microseconds * 0.000001

    return asyncio.sleep(delta_sec, result)


async def main():
    while True:
        await wait_for_clock(8, 30)
        print(1)

if __name__ == '__main__':
    asyncio.run(main())