#!/usr/bin/python3

import datetime
import time

now = datetime.datetime.now()
target = now.replace(hour=15,minute=6,second=7)

print("now: ", now, " target: ", target)

slptime = (target-now).total_seconds()

print("Time to sleep: ",str(slptime))

if 0 > slptime:
    print("Target datetime is in past.")
else:
    print("Sleeping for ", str(slptime))
    time.sleep((target-now).total_seconds())