from datetime import date, datetime, timestamp
import time

print(datetime.now())
print(date(2019, 1, 20))
print(datetime(2019, 1, 20, 23, 0))
print(datetime.now().timestamp())
print(datetime(2021, 3, 21, 13, 0).timestamp())

# output:
# 2021-03-23 11:29:53.442655
# 2019-01-20
# 2019-01-20 23:00:00
# 1616499300.881008
# 1616331600.0