2019-04-15 20:00:00
[timezone_type] => 3
[timezone] => America/Chicago
)

current: DateTime Object
(
[date] => 2019-04-15 18:56:55
[timezone_type] => 3
[timezone] => UTC
)

diff: DateInterval Object
(
[y] => 0
[m] => 0
[d] => 0
[h] => 6
[i] => 3
[s] => 5
[weekday] => 0
[weekday_behavior] => 0
[first_last_day_of] => 0
[invert] => 1
[days] => 0
[special_type] => 0
[special_amount] => 0
[have_weekday_relative] => 0
[have_special_relative] => 0
)
–>