datetime flask code example
Example 1: python timestamp shift one day
from datetime import datetime, timedelta
print datetime.now() + timedelta(days=5, hours=-5)
Example 2: python run things at certain datetimes
import datetime as DT
import time
while True:
now = DT.datetime.now()
target = DT.datetime.combine(DT.date.today(), DT.time(hour=8))
if target < now:
target += DT.timedelta(days=1)
time.sleep((target-now).total_seconds())
# do something