Different ways to convert time between human readable format and timestamps.
import time
# How to convert from human datetime in local time to timestamp (s)
print(int(time.mktime(time.strptime('2017-03-09 15:39:30', '%Y-%m-%d %H:%M:%S'))))
# How to convert timestamps (s) to datetime in localtime...
print(time.strftime('%a, %Y-%m-%d %H:%M:%S %z', time.localtime(1489054170)))
Or,
import calendar
import dateparser
import time
# From human to timestamp (s)
tm = dateparser.parse('2017-03-09 15:39:30')
print(calendar.timegm(tm.timetuple()) + time.timezone)
Or, using pandas
...
import pandas as pd
import time
# From timestamp to human in local time
print(pd.to_datetime(1489054170 - time.timezone, unit='s'))