def str_to_seconds(s): """ Convert a pandas-intelligible string to (integer) seconds since UTC. >>> from pandas import Timestamp >>> (Timestamp('2014-01-01') - Timestamp(0)).total_seconds() 1388534400.0 >>> str_to_seconds('2014-01-01') 1388534400 """ return timedelta_to_integral_seconds(pd.Timestamp(s, tz='UTC') - EPOCH)